30 Bananas a Day!

30BaD FADs: Oxalate Health Impact

30BaD FADs:  Frequently Added Discussions

What are oxalates and oxalic acid?

How can oxalates harm us?

What foods are high in oxalates?

  1. Oxalate Defined
  2. Side Effects of Consumption
  3. Links With Some Conditions
  4. Breathing and Asthma Problems
  5. Digestive System Irritation
  6. Urinary Problems
  7. Kidney Stone Formation and Damage
  8. Osteoporosis and Dental Problems and Loss
  9. Impairs Iron Absorption Promoting Anemia
  10. Systemic Problems
  11. Arthritis and Calcium Oxalate Crystals
  12. High Oxalate Foods

  

Introduction

Oxalates are naturally occurring compounds found in almost all plants, and in animals and humans.  Oxalate is also a biproduct of human metabolism just like uric acid. The human diet will always contain some oxalate. However diets focusing on high oxalate foods like animal product, grains, starchy foods, and cruciferous vegetables like kale and spinach can cause short term problems such as digestive issues and breathing difficulties, and long term health problems such as kidney and cardiovascular damage.  Sensitive indivuals such as those with preexisting lung, kidney or thyroid problems may have to avoid medium oxalate foods as well.  

Some of our members here at 30BaD have problems when eating cruciferous veggies like broccoli, kale, spinach, and cauliflower, and root vegetables like carrots, tubers and potatoes, and starchy vegetables like beets as well as other starchy foods like some nuts and seeds, most legumes and beans, whole grains and bread, and processed foods.

Immediate symptoms of high oxalate consumption include burning mouth and throat during consumption, digestive upsets including sour stomach, stomach pains, diarrhea, blood in stools, constipation, bloating, gas in its various forms including burping, belching, flatulence, and flatus, breathing and asthma symptoms, mucus production, skin eruptions such as acne, eczema, and canker sores, dandruff, arthritis flare ups, kidney stones and kidney problems, urinary pain and or problems, blood in urine, foul smelling urine, irritation of the genitalia, body odor, and slowed digestion which makes it difficult to eat enough calories during the day.

Long term symptoms and diseases related to high oxalate consumption include kidney stones and kidney disease, urinary problems, breathing and asthma problems, digestive system irritation and or IBS (Irritable Bowel Syndrome), prevention of calcium absorption and assimilation with risk of osteopenia (bone softening), osteoporosis, and jaw, oral, and dental problems, iron deficiency anemia, and other systemic problems such as calcification of tissues and arteries also known as hardening of the arteries and or arteriosclerosis which can lead to heart problems and cerebrovascular accidents and strokes.  Systemic circulation of calcium oxalate crystals can also cause them to be deposited in the visceral organs, bones, cartilage, and synovial fluid of joints resulting in pain, swelling, and arthritis.

Although many of the foods listed here are not against guidelines, we do request members who are sensitive to these foods to avoid eating them.

This blogpost will explain one aspect of why these foods cause sensitivities, and that is because they are high to moderately high in oxalate. A few problems regarding high oxalate consumption will be addressed here, although these problems and the list of high oxalate foods are not all inclusive.  

 

Oxalate Defined

Oxalates are naturally occurring organic acids found in plants, animals and humans. Oxalate is normally produced in plants, primarily in their leaves, nuts, fruit, and bark. In humans, however, oxalate seems to have no substantially beneficial role and act as a metabolic end-product, much like uric acid. Oxalate is the salt form of oxalic acid, and is a natural end product of metabolism. (1) (2)

Dietary oxalate is an organic molecule found in many vegetables, fruits, and nuts. Some foods high in oxalate are broccoli, cauliflower, cabbage, brussels sprouts, kale, bok choy (greens), collard greens and spinach. (3)

Eating a diet high in oxalates can cause problems in the body such as kidney stones and pain. Oxalate can also cause other pain related health problems like fibromyalgia, vulval pain, chronic pelvis pain and some other unexplained pains as well. (4)

Side Effects of Consumption

Eating foods high in oxalate may cause the following symptoms: breathing difficulty, burning in the mouth, burning in the throat, coma, diarrhea, eye pain, kidney stones, nausea, red-colored urine, seizures, stomach pain, vomiting, and weakness, esophagitis, slurred or unintelligible speech, laryngeal edema, pain and edema in the tongue. (5)

Oxalic acid poisoning may involve the following symptoms: abdominal pain, burns and blisters if acid contact is made, collapse, convulsions, kidney problems, low blood pressure, mouth pain, shock, throat pain, tremors, vomiting, and weak pulse.  (6)

If extremely high doses of oxalate are consumed, death can result. (7)

Links With Some Conditions

According to researcher Susan Owens of the Low Oxalate Diet,there may be a link between excess oxalate in the body and the following conditions: (8)

Clive Solomons, Ph.D., former director of research at the University of Colorado Health Sciences Center, has explored the connection between excess oxalate, pain, and weakened connective tissue in his research, which is aptly called The Pain Project.  

People who have participated in the Pain Project have reported recovery or improvement from a variety of painful conditions including: (9)

Breathing and Asthma Problems

Eating high oxalate foods can cause breathing difficulty and or cause asthma and or exasperate asthmatic symptoms in sensitive individuals. (5) (8)

 

Digestive System Irritation

The digestive system is made up of the digestive tract—a series of hollow organs joined in a long, twisting tube from the mouth to the anus—and other organs that help the body break down and absorb food. Organs that make up the digestive tract are the mouth, esophagus, stomach, small intestine, large intestine—also called the colon—rectum, and anus. (10)

Oxalates irritate the lining of the digestive system when consumed.  This could cause nausea, stomach pain, abdominal pain, diarrhea, and weakness.  (4) (5)

During chewing and swallowing, eating foods high in oxalates can burn the mouth and throat, and cause pain in the throat and mouth.There may be swelling and pain in the tounge.  In some cases, esophagitis may develop with laryngeal edema which might result in slurred speech.  (4) (5) (11)

Long term problems with high oxalate consumption can cause conditions such as IBS (irriatable bowel syndrome).  Irritable bowel syndrome is a problem that affects the large intestine. It can cause abdominal cramping, bloating and a change in bowel habits. Some people with the disorder have constipation. Some have diarrhea. Some go back and forth between constipation and diarrhea.

Urinary Problems

Feminine Irritation 

Eating foods high in oxalates may produce urine that is irritating. In females, this can contribute to symptoms of vulvodynia which is chronic pain and discomfort of the vulva.  Symptoms include burning, stinging, rawness, itching, aching, soreness, throbbing and swelling.  (12)

Genital Irritation

Because oxalate is expelled through the urine, irritation, itching, and burning of the genitals can happen in both males and females.  

Hyperoxaluria

Hyperoxaluria is a condition where too much oxalate is present in the urine.  Since oxalate and calcium are continuously excreted by the kidney into the urine, it can combine with calcium causing formations of calcium-oxalate crystals and grow into a kidney stone.

A high intake of oxalate-rich foods (eg, chocolate, nuts, spinach) and a diet rich in animal protein can result in hyperoxaluria. Low dietary calcium intake can also result in hyperoxaluria via decreased intestinal binding of oxalate and the resulting increased absorption. (1)

 

Kidney Stone Formation and Damage

The body uses food for energy and tissue repair. After the body uses what it needs, waste products in the bloodstream are carried to the kidneys and excreted as urine. Certain foods create wastes that may form crystals in the urinary tract. In some people, the crystals grow into stones. Calcium oxalate stones are the most common. 

Some of the oxalate in urine is made by the body.  By eating certain foods with high levels of oxalate that can increase the amount of oxalate in the urine where it combines with calcium to form calcium oxalate stones.

Avoiding these foods may help reduce the amount of oxalate in the urine. Eating foods containing calcium also reduces oxalate in the urine. Calcium binds oxalate in the digestive tract so it is not excreted into the urine. (10)

Osteoporosis and Dental Problems and Loss

Calcium is one of the most important minerals for the the human body. Calcium helps form and maintain healthy teeth and bones, clotting blood, sending and receiving nerve signals, muscle movement and relaxation, releasing hormones and other chemicals, and keeping a normal heartbeat.  (14)

Lack of calcium in the diet and or inability to absorb calcium can lead to low bone density which is a risk for osteoporosis.  Osteoporsos is when bones get weak and brittle.  When this happens, all bones of the body can be affected including the jaw bone resulting in loose teeth and or loss of teeth.  (15)

Oxalate inhibits calcium assimilation.  In the digestive system, calcium binds with oxalate to prevent it from entering the blood stream.  This means that there is less calcium available for absorption and assimilation by the body for bone building and other healthy body functions.  (13)


Impairs Iron Absorption Promoting Anemia

There are two forms of dietary iron: heme and nonheme.  Heme iron is found in animal foods that originally contained hemoglobin. Iron in plant foods is called nonheme iron.  Most dietary iron is nonheme iron. (13)

Iron deficiency develops gradually and usually begins with a negative iron balance, when iron intake does not meet the daily need for dietary iron. Iron deficiency anemia is an advanced stage of iron depletion. It occurs when storage sites of iron are deficient and blood levels of iron cannot meet daily needs. Blood hemoglobin levels are below normal with iron deficiency anemia.

Signs of iron deficiency anemia include: feeling tired and weak, decreased work and school performance, slow cognitive and social development during childhood, difficulty maintaining body temperature, decreased immune function, which increases susceptibility to infection, and glossitis (an inflamed tongue).

Iron deficiency anemia can be associated with low dietary intake of iron, inadequate absorption of iron, or excessive blood loss 

Oxalates impair the absorption of nonheme iron.  (16)

 

Systemic Problems

The kidneys, when working normally, are very efficient at eliminating excess oxalate that is produced by the liver or absorbed from the intestinal tract. In patients with good kidney function, blood concentrations of oxalate are kept normal or near the normal range, and it is only in the urine and the kidney tissue that high concentrations of oxalate occur. It is the high concentration of oxalate in the urine (hyperoxaluria) that causes stones to form, and over time causes damage to kidney tissue.

As time passes, kidney function may be reduced by 50% or more. When that occurs, and the kidney can no longer eliminate excess oxalate efficiently and blood levels of oxalate begin to rise. When blood oxalate concentrations reach a critical level, the amount of oxalate in the blood is high enough to form complexes with calcium leading to calcium oxalate deposits in multiple body tissues (called oxalosis).

Oxalosis can involve many different organs. Most common in patients with primary hyperoxaluria with associated kidney failure are deposits in small blood vessels which can cause painful skin ulcers that do not heal, deposits in bone marrow causing anemia, deposits in bone tissue causing failure to grow in children and fractures in adults and children, and calcium oxalate deposits in the heart causing abnormalities of heart rhythm or poor heart function.

Oxalosis will become progressively more severe as long as the blood oxalate concentration remains high, and can lead to death. For this reason, prompt recognition of the problem and prompt treatment are essential. Kidney dialysis can remove oxalate from the blood, but in most patients with primary hyperoxaluria dialysis cannot keep pace with the very large amount of oxalate produced. Definitive treatment of kidney failure and oxalosis in patients with primary hyperoxaluria is transplantation. (2)
Long term, a diet high in oxalate foods such as grains and bread, processed food, legumes and beans, tubers and potatoes, most nuts and seeds, and cruciferous veggies like kale and spinach can promote kidney disease and failure, calcification of body tissues, iron deficiency anemia, calcification and hardening of arteries which can long term lead to heart problems and cerebrovascular accidents and strokes. (18)  

 

Arthritis and Calcium Oxalate Crystals

Just as calcium and oxalate can combine in the urine and kidney and form crystals and stones, so too can these crystals circulate in the blood.  

Systemic circulation of calcium oxalate crystals can also cause them to be deposited in the visceral organs, bones, cartilage, and synovial fluid of joints resulting in pain, swelling, and arthritis.  (19)

This can results in arthritis also known as acute monarthritis, polyarthritis, and or chronic arthritis. These crystals can also cause soft tissue swelling in areas around the joints but also in places like the hands. (20)

Symptoms of gout and or psuedogout may occur with calcium oxalate crystals.  Ironically, high levels of ascorbic acid (vitamin C) are recommended to alleviate symptoms.  (21)

Oxalate Content of Some Sample Foods

This list is not all inclusive, rather a sampling of problem foods that may cause some of our members more problems.  

High Oxalate Foods 

These foods may have 10 or more mg of oxalate per serving and or cause extreme reactions in sensitive individuals and or kidney patients.

  • Kale
  • Spinach
  • Chard
  • Eggplant
  • Zucchini
  • Cucumber with skin
  • Beans
  • Beets and beet greens and root
  • Carrots
  • Celery
  • Chicory
  • Collards
  • Dandelion greens
  • Escarole
  • Leeks
  • Okra
  • Olives
  • Parsley
  • Peppers both chili and green
  • Black Pepper along with many other condiments and spices.  
  • Potatoes baked, boiled, fried
  • Rutabaga
  • Summer squash
  • Sweet potato
  • Swiss chard

Problem Fruits in sensitive individuals

  • Rhubarb
  • Dates
  • Pineapple
  • Cranberries
  • Figs
  • Lemon and Orange peels

Other high oxalate foods and products include tea, cocoa and chocolate products, many fruit juices, beer, coffee, soy products, many grains and grain products such as amaranth, buckwheat,  oats and oatmeal, wheat, as well as the offshoots of these products such as pasta, cakes, cookies, and pies.  Many if not most cooked foods are high oxalate foods in part because we use high oxalate foods in our dishes and recipes.  

Moderate Oxalate Foods (2-10 mg per serving)

For people who are not sensitive to oxalates, these foods can be eaten sparingly, but preferably not as a main calorie source.  However, if one experiences burping and belching, gas, bloating, and or skin eruptions like acne, eczema, or canker sores, eat sparingly or not at all.  

Some problems with some of the vegetables on this list such as broccoli, cabbage, and cauliflower, is that they are high in cellulose.  Our bodies cannot digest cellulose very well and or extract nutrients from these vegetables thus rendering them somewhat of an empty calorie food.  Many of them are low calorie and it is difficult for humans to eat enough of them to satisfy caloric and nutritional requirements.  

Even though the oxalate content per serving of these foods may initially look low, because they are low calorie, we have to eat many servings of them verses other fruits and nuts with similar oxalate counts.  This will result in an overall oxalate consumption count being higher if these are not eaten sparingly.  It might be recommended to just use things like peeled cucumber, broccoli and cauliflower to spice up or crunch up a salad, but not as the salad itself.  

  • Cucumber without skin
  • Artichoke
  • Asparagus
  • Broccoli
  • Cabbage 
  • Cauliflower
  • Brussel sprouts
  • Corn
  • Fennel
  • Mustard greens
  • Onions 
  • Parsnip
  • Tomato
  • Turnips
  • Watercress
  • Radishes

Nuts and Seeds

While some nuts and seeds may be moderate to high in oxalate content per serving, many people still tolerate them well in part because we eat them sparingly because of high fat content, and that the oxalate to calorie ratio is quite low verses the oxalate to calorie ratio of some other low calorie per serving items like cabbage.  Everyone should do their own personal analyses of how they react to various nuts and seeds.  

(22) (23) (24)

Conclusion 

Many starchy foods such as grains and bread, tubers, beans, starchy vegetables, and processed foods are high in oxalates.  Most fruit juices are high in oxalate in part because the oxalate gets concentrated when fiber and other nutrients are removed.  For example, it might take 5-10 or more oranges to make a serving of orange juice.  To ensure one is getting enough calories from juices, an exponential amount of fruit has to be used thus increasing oxalate content and consumption. To learn more about other problems caused by starchy foods, read here:

Starchy Food vs Fruit n Lettuce

The best choice of green vegetable are tender lettuce greens which are low oxalate foods.

Benefits of Lettuce Greens

For more assistance in choosing ideal fruits and lettuce greens, consult this list:

http://rawschool.com/best-raw-foods/

Juicing Problems:

Juicing Side Effects

 

References

  1. http://emedicine.medscape.com/article/444683-overview#aw2aab6b4  Oxalate sources, plants, hyperoxaluria
  2. http://www.ohf.org/about_disease.html  Oxalate salt, Oxalic Acid, Oxalosis Hyperoxaluria
  3. http://rawschool.com/best-raw-foods/  Cruciferous
  4. http://www.lifemojo.com/lifestyle/impact-of-oxalates-on-health-1456...  Oxalate and pain.
  5. http://www.nlm.nih.gov/medlineplus/ency/article/002876.htm rubharb leaves
  6. http://www.nlm.nih.gov/medlineplus/ency/article/002479.htm  Oxalic acid poisoning
  7. http://oxalate.wikispaces.com/oxalic+acid+toxicity  Death, nephrosis, gut irritation
  8. http://www.lowoxalate.info/index.html  Susan Owens, M.A.  Conditons linked to oxalate.
  9. http://alwayswellwithin.com/2010/04/27/high-oxalate-foods-can-trigg...   Oxalate, pain, inflammation
  10. http://digestive.niddk.nih.gov/ddiseases/pubs/yrdd/  Digestive System
  11. http://emedicine.medscape.com/article/817016-overview#a0104 Oxalate Poisoning Esophagitis, laryngeal edema
  12. http://www.acog.org/~/media/For%20Patients/faq127.pdf?dmc=1&ts=...  Vulvodynia
  13. http://kidney.niddk.nih.gov/KUDiseases/pubs/kidneystonediet/index.aspx  Kidney Stone diet, dietary oxalate, calcium oxalate stones, calcium and bone density. 
  14. http://www.nlm.nih.gov/medlineplus/ency/article/002412.htm  Calcium in diet benefits
  15. http://www.niams.nih.gov/Health_Info/Bone/Bone_Health/Oral_Health/d...  Oral Health and Bone Disease
  16. http://ods.od.nih.gov/factsheets/Iron-HealthProfessional/  Nonheme iron
  17. http://www.irondisorders.org/diet/  Oxalates and oxalic acic.  Iron. 
  18. http://www.nlm.nih.gov/medlineplus/ency/article/000171.htm Hardening of arteries.  
  19. http://www.ohf.org/docs/Oxalate2008.pdf Oxalate levels in foods and kidney 
  20. http://www.ncbi.nlm.nih.gov/pubmed/7092004 Calcium Oxalate crystal deposition. 
  21. http://images.rheumatology.org/viewphoto.php?albumId=75676&imag...  Types of arthritis and swelling.  
  22. http://jama.jamanetwork.com/article.aspx?articleid=373725  Gout.
  23. http://kidney.niddk.nih.gov/kudiseases/pubs/stonesadults/  Oxalate containing foods. Kidney Stones.  
  24. http://www.upmc.com/patients-visitors/education/nutrition/Pages/low...  UPMC Low Oxalate Diet recommendations.  
  25. Some links courtesy of MedlinePlus, the official medical search engine of the Unites States government. 

Disclaimer:

This blog is for informational purposes only.

Never try to self diagnose or treat a disease or symptom.  Many diseases and conditions have similar symptoms.  In case of a medical emergency, seek medical care to get a proper diagnosis.  

The medical and/or nutritional information on this site is not intended to be a substitute for professional  medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health 
provider with any questions you may have regarding a medical condition. Never disregard professional 
medical advice or delay seeking it because of something you have read on this Web site.

Updated March 8, 2013  By PK

Views: 5034

Tags: 30BaD, FADs, oxalate

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Comment by PK on March 13, 2013 at 1:23am

@Jane, 

I generally recommend that people eat about 1, 2, or 3 oz of nuts and seeds which are usually cracked and out of their shells and in their raw form. (I am assuming when you said cracked, that the shells have been removed.)

 I do not dictate the exact amount of nuts and seeds because each persons caloric intake, fat allowances and or what other fats they have eaten during the day such as avocado can impact what is a healthy amount to eat.  A female eating 2500 calories might only need one oz of seeds, an athlete eating 5k-7k and or who has higher amino acid needs might need more.  

For people new to this, buying a digital scale that can weight things in oz or grams might be helpful. 

I really cannot tell you what that is exactly because each nut and seed comes with its own caloric count, calories from fat, volume ect.  For some nuts and seeds like pine nuts, eating them cracked and out of the shell, a 1 oz serving might be about three tablespoons.  This may still yield anywhere from 30-50 nuts or more depending on the size of the nuts.  

Because of the volume and or airspace and or water content of some nuts and seeds, yes, 1-3 oz could look more like a half cup or more even when cracked.  

To guesstimate  I read the nutrition label of the particular product I have bought and or consult nutrition data .com.  Here is a sample of nutrition data for raw cashews:

Nutrition Facts and Analysis for Nuts, cashew nuts, raw

Sorry I could not be more detailed.  Peace, PK

Comment by Jane on March 9, 2013 at 4:06am

PK, please tell me the daily quantity we can eat of nuts, seeds, if they are cracked? One cup, or two tablespoons, which is closer to the ideal consumption? Thank you very much: Jane

Comment by PK on March 9, 2013 at 12:36am

@French Apple, 

Yea, I find dates dry and too sweet too.  I guess that is why I use them as my raw vegan candy.  I cannot say I never crave them or enjoy them as a treat, but when I do, and can only eat about 2-4 at a time, and never mixed with other foods.  

Peace, PK

Comment by PK on March 9, 2013 at 12:34am

@Jane, 

I listed them under the moderate oxalate category but I will edit this to make sure moderate is highlighted and better understood.  

According to two of my sources, cabbages and cauliflower might fall under a moderate oxalate content with about 5-10 mg per serving.  Some people who are not sensitive to oxalates may be able to tolerate these moderate vegetables.  

However, if they cause burning of the throat and mouth, burping and belching, gas, bloating, or any other kind of digestive upset and or skin break outs like canker  sores and acne, it is recommended to eat them very sparingly or not at all.  

The problem with focusing on these kind of vegetables as a main caloric source is that they are in fact low calorie.  So we have to eat many servings of them thus increasing our oxalate consumption overall verses focusing more on fruits, lettuce greens, and nuts and seeds.  

Another reason these vegetables may not be suitable for long term success as a main calorie source is that they are high in cellulose which our bodies have limited abilities to break down and extract nutrients from thus they may end up being more of an empty calorie source for us.  

Peace, PK

Comment by Jane on March 8, 2013 at 4:49pm

Dear PK,  on livestrong.com I read, that cabbages and cauliflowers are low in oxalate, you listed them as high oxalate vegetables. What is the truth then? Thanks: Jane

Comment by PK on March 8, 2013 at 6:33am

@French Apple,

Thanks for sharing this about dates, guess that explains why a lot of them go wrong:~d  

OK, jokes aside, yes, my list is not all inclusive and or I tried to include foods that seem to cause the most problems for folks.  

As far as dates are concerned, I personally do not view them as an optimum food although tracking down why has alluded me somewhat.  I personally get indigestion when I eat them, and many of our members get gas, bloating, indigestion and possible weight gain (although not sure if that is from bloating or fat gain) when eating them.  

Dates are not against our guidelines and do make an affordable calorie and or carb source for many of our members who can tolerate them.  However, if someone is having difficulties with dates, then I recommend that they cut them out and or just eat them like raw vegan candy and as a treat.  

Besides causing a host of problems for me and many of our members, dates do not pass my vitamin C test with most if not all varieties have 0.  

Human beings and many primates cannot manufacture their own vitamin C and it must be taken from our diet.  For optimum results for overall health and or success on this diet, I have found that focusing on vitamin C rich fruits n lettuce greens is a must.  

Most dates also tend to be too low in fat.  I personally like to see the 80 10 10 ratio of 10% fat being a minimum not a maximum for folks.  We need both dietary fats and or body fats, and in many cases, the two go hand in hand, for healthy cells, smooth skin and tissues, and for some people, avoiding constipation, and in the regulation and storage of fat soluble vitamins like D.  

Compared to many SAD foods like cookies n chips, dates are perceived to be nutritious options and many people promote them as wonder foods and a great source of energy.  However, when compared to many other raw fruits, lettuce greens, and or nuts and seeds, they have very little nutrient content to calorie ratios.  

And now you have clued me into the high oxalate content of dates and I will definitely follow up on your link and or its references.  This may explain the real reason many of us agonize over dates.  

Thanks and Peace, PK

Comment by PK on January 8, 2013 at 9:00am

@Francisco and others,

Here is the blogpost on juicing side effects and contraindications:

30BaD FADs: Juicing Side Effects - 30 Bananas a Day!

Peace, PK

Comment by PK on January 8, 2013 at 6:42am

@Francisco,

Welcome and hopefully your confusion is about to be cleared up.  

What to eat?  Stop transitioning and go for the glory of whole raw fruits, about 1/2 -2 heads of lettuce greens a day, and a handful of nuts.

30BaD FADs: Benefits of Lettuce Greens - 30 Bananas a Day!

More tips and tricks and science:

Aloha to 30BaD's Welcome Wagon! - 30 Bananas a Day!

Regarding this blogpost and oxalates:

This blog post was intended more for people who tend to be sensitive to high oxalate foods and or should not eat them (such as myself being a kidney patient.)

Some of the high oxalate foods listed here such kale and spinach are not against our guidelines as long as they fall under the low fat raw vegan category in part because we do not want to make things too difficult for people especially those on budgets or who have limited access to good foods.  

However, your 30BaD Peacekeeper team has had years of experience both in following this diet and experiencing what works, and in helping members troubleshoot side effects of following this diet.  

Detox or side effects or contraindications?

What some people assume is detox is actually a side effect because of something they are eating.  For example, people who never had acne suddenly develop acne when going low fat raw vegan.  Time and time again, when troubleshooting with members, two things seem to be causing contraindications, and that is high oxalate foods as well as juicing.  

I am actually about to publish a blogpost regarding the (toxic) side effects of juicing as well, so stay tuned for that pending some spell and fact checking.  

****

I am not familiar with the author you mentioned here, but sometimes when people have good results with these kind of diets and or juicing, it may be because of what was removed from the diet verses the actual food and or juice.  For example, some people have Celiac disease and or are gluten and grain sensitive.  Remove the grains, the cause of the discomfort, and they automatically feel better on any diet.  Grains and dairy are actually the top causes of asthma and or arthritis.  

The NOTMILK Homepage! (MILK is a bad-news substance!)

Ron Hoggan Articles

*****

More about oxalic acid....

As stated in this blog, oxalics are found in almost all living livings and or are a byproduct of human metabolism just like uric acid.  However, we do not go and take uric acid supplements because it is understood that this is a byproduct and toxic to humans in large amounts, therefore we should not intentionally consume it.  

The peristaltic actions of our intestines might be seen as the bodies attempt to get rid of the oxalic acid verses oxalic acid contributing to peristalsis.  Peristalsis happens as a mechanism of digestion and moving food along the intestines now matter what we eat and independent of how much oxalic acid we have consumed.  In large amounts, and in some sensitive individuals though, oxalic acid may increase peristalsis and or promote indigestion, gas, bloating, diarhea, and in some people actually, constipation.

What other gurus who recommend high oxalate foods and greens like spinach have to say?

In many cases, they say it is ok to eat things like kale and spinach juices and spinach, but at the same time, they recommend rotating the greens in part because why?  Their high oxalate content! 

For example:

http://www.incrediblesmoothies.com/green-smoothies/why-and-how-you-...

Dr. Graham's Book:

He made recipes to appeal to the masses, however, if you dig deeper into his book, he recommends that people stick to fruits and tender leafy greens (here we promote lettuces) on page 26-27 along with an explanations why such as them being full of cellulose and indigestible fibers.  

So, how did I come to the conclusions reached in this blog?  

Troubleshooting what works for me-kidney patient and have to eat a low oxalate diet.  

Troubleshooting what works for most members in achieving long term success?  Eating a low oxalate diet.  

Independent medical researcher (I would consider myself a human health activist and independent medical researcher), and from official medical sites like MedlinePlus and Pubmed, have come to a similar conclusion that eating a low oxalate diet is a must for most people to achieve long term health.  

Positive Feedback from members who have followed our advice.  

****

If you ate those foods without side effects, then I would recommend you proceed with caution, but for long term success and health on this diet, some of the high oxalate foods should be eliminated eventually.  

As far as posting medical information, I understand what you are saying, and all of my blogposts have a medical disclaimer.  I also use references from legitamite medical and government sites verses just saying well it feels good, listen to your body etc.  

For further reading....

This was a little research I did on health in the USA and Japan, and many of the diseases and conditions we die from are the same independent of body fat and bmi, and the common denominator in both diets seemed to be high oxalate foods.

30BaD FADs: Diet and Health in Japan and USA - 30 Bananas a Day!

Naughty and Nice raw fruits and veggies....

Best Raw Foods

More insights (besides the oxalate point of view) of why we avoid some foods and medications:

Raw Food Living|Raw Food Diet & Recipes|Organic Raw Foods

Hope this helps and feel free to ask more questions.  

Peace, PK

Comment by Francisco on January 8, 2013 at 4:33am

Hi PK,

I just read your post and now I'm totally confused as to what I can eat now. It's not that I have any sensitivities to any of these foods but at the same time as I'm transitioning to 811, I want to do it correctly. What bothers me about your post is that there are no tables stating how much is too much oxalic acid or oxalate, how often these foods can be eaten without causing problems, etc.

To take a look at another point of view, in the book by Norman Walker, Fresh Vegetable and Fruit Juices he specifically recommends 1 pint of carrot and spinach juice  for a couple of months to severe asthmatics and sufferers of rheumatoid arthritis-and he got successful results. Furthermore on pg. 63 of his book, he has a chapter devoted to "organic oxalic acid" stating that it is an important element necessary for our bodies especially in the perstaltic action in our intestines. This acid helps maintain the tone of those muscles and stimulate that action.

So now after seeing this info you posted, what I've been studying in other places, I'm really confused as to how much greens we can eat, what type, etc. Even in Dr. Graham's book he has recipes with spinach and brocoli for example. I mean just thinking over what I ate today so far- 500ml of spinach+carrot juice, cooked sprouted lentils, almond milk and then looking at the list of foods that are high in oxalates which happen to be everything that I ate makes me worried that I'm going to be causing major harm to my body.

I do not know who has the correct information at this point regarding healthy nutrition, but I think we have to be very careful when we post "medical information" because we could be doing more harm than good regardless of our intentions.

Comment by Ginger on December 4, 2012 at 10:11am

My ear aches seem to have subsided.  Not sure yet about the Asthma as lungs take a long time.  Will keep progressing and report back! 

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