• Co-enzyme for enzymatic reactions involved in alcohol detoxification, uric acid formation, detoxification of sulphite
  • Key component of enzymes involved in sulfur metabolism
Source and function notes
  • Deficiency causes sulfite toxicity leading to symptoms include tachycardia, headache, disorientation
  • Soil quality and mineral content in food sources a major issue for this mineral
  • Best sources from wholegrains and legumes
Vegetable sources Cauliflower; Green peas; Spinach; Garlic; potatoes; Green beans; carrots; cabbage
Fruit sources Coconut, Cantaloupe melon, apricots, Raisins, Strawberries
Nut and seed sources walnut, almond, wheat germ, coconut, molasses
Absorption factors
Spice and herb sources
Deficiency factors Sulfite sensitivity and toxicity – due to central role in metabolism of sulphur containing amino acids and sulphites, and enzymes that detoxify sulphites
Toxicity and dangers Balanced intake – needed for enzyme sulfite oxidase and sulfite conversion (for excretion), but excess inhibits liver (detoxification) sulfation pathway

Adapted from:

Murray, M. (2005). Encyclopedia of Healing Food. New York, N.Y.: Atria Books

Bland, J., Costarella, L., Levin, B., Liska, D., Lukaczer, D., Schlitz, B., Schmidt, M., Lerman, R., Quinn, S., Jones, D. (2004). Clinical Nutrition: A Functional Approach, Second Edition. Gig Harbor, WA: The Institute for Functional Medicine.

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