Cautions:
Too much vitamin K can cause problems for anyone taking anticoagulants such as warfarin because the high level of vitamin K may interfere with the drugs. Consult your doctor before adding kale to your diet if you are on this type of medication.
Kale and Oxalates. Kale contains oxalates that interfere with the absorption of calcium. There is much controversy about this.
Goitrogenic Food? Contrary to popular belief, latest studies show that kale is not goitrogenic. In fact, most foods that are commonly called goitrogenic (kale, broccoli and cauliflower) as well as soy-based foods do not interfere with thyroid function in healthy persons even when they are consumed on a daily basis. Again this is controversial.
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The Problem:
1.
Oxalic acid binds with some nutrients, making them inaccessible to the body. To eat large amounts of high oxalic foods over a period of weeks to months may result in nutritional deficiencies, most notably of calcium.
2. Oxalic acid is associated with the formation of kidney stones. If you have kidney problems, your doctor may advise you against eating foods with high levels.
3.
Oxalic acid poisoning symptoms include weakness, burning in the mouth, cardiovascular collapse, burning in the throat, abdominal pain, nausea, vomiting, diarrhea, convulsions, and coma.
4. Individuals with gout, rheumatoid arthritis, or certain forms of chronic vulvar pain are advised to avoid foods high in oxalic acid or oxalates.
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www.care2.com]
Do a search on
kale benefits and side effects Lots to look through.
Edited 1 time(s). Last edit at 07/14/2014 09:48PM by Todd.