
Functions |
- Skin – skin oil gland function
- Critical for healthy male sex hormone and prostate function
- Critical for immune system function
- Enables protein synthesis and cell growth leading to wound healing
- Hormone synthesis (adrenal hormones) and hormone activity and receptor site function (adrenal, growth hormone, thymic hormones, insulin)
- Heart and cardiovascular support – protects against damage to blood vessel walls
- Maintenance of vision, taste and smell
|
Source and function notes |
- Zinc is high in whole grains, legumes and nuts: soak and sprout legumes and nuts and make Zinc more bio-available – so see my posts soak your nuts! and bean cooking and sprouting!
- Safety band – as Zinc and Copper compete for absorption
- Depleted in refined products
- Levels in body depleted by lack of exercise
- The best supplement = zinc picolinate
|
Vegetable sources |
green peas; parsley; potatoes; garlic; cauliflower; spinach; cabbage; lettuce; cucumber |
Fruit sources |
Grape juice |
Nut and seed sources |
Almonds, Brazil nuts, Cashews, hazelnuts, Peanuts, Pecans, Walnuts, Olive oil
Coconut milk, Cocoa
Amaranth Seeds, Chia Seeds, Hemp Seeds, Quinoa Seed, Pumpkin and squash seeds, Sesame seeds, Sunflower seeds |
Spice and herb sources |
Ginger root; black pepper, mustard, paprika, chilli powder, thyme, Cinnamon |
Absorption and factors leading to deficiency |
- Absorption inhibited by
- excess copper in the diet
- non-organic iron in food
- calcium in dietary supplements
- alcohol
- infection and surgery
- Smokers are often Zinc deficient
- Stress enhances excretion
|
Deficiency factors |
- Skin changes and disorders; hair loss; diarrhea
- Recurrent infections and slow wound healing
- Reduced appetite and loss of sense of taste or smell
- Night blindness
|
Toxicity and dangers |
Excess depresses immune system and causes dizziness, vomiting, lethargy, and anaemia (due to excess zinc causing copper deficiency) |
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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