Minerals

Chromium   Magnesium   Selenium   Zinc

These minerals are especially important for good vision and may be found in many food sources in a well balanced diet.

Chromium

Chromium, in trace amounts, helps regulate blood sugar levels, break-down of fats, and blood circulation. It may help prevent nearsightedness, which is a risk factor for vitreous degeneration, glaucoma and floaters.

  • Foods: Brewer's yeast, eggs, potato skins.
  • Daily Need: 200mcg/daily.
  • Related Conditions: Glaucoma, Macular Degeneration , Diabetic Retinopathy
  • Note: Chromium reduces the blood sugar levels of diabetics, and may require the patient to adjust the insulin dose accordingly.

Magnesium

Magnesium is one of the most abundant elements in the body. It is a mineral that reduces and prevents muscle spams. It relaxes the smooth muscles that regulate the circulation of aqueous humor within the eye.

Magnesium

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Selenium

Selenium is an essential trace element that enhances the functioning of the antioxidant glutathione, supporting healthy vision and overall health. It is also important in the functioning of the thyroid gland and in cells using thyroid hormones (it may inhibit Hashimoto's disease).1

  • Foods: Nuts (especially Brazil nuts), whole grain cereals, mushrooms, meat, fish, eggs and some seafood. Also found in garlic, onions, broccoli, cabbage and sunflower seeds.
  • Daily Need: 200mcg/daily.
  • Related Conditions: Cataracts, Macular Degeneration , Diabetic Retinopathy

Selenium


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Zinc

Zinc is not itself an antioxidant, but has some antioxidant characteristics. It helps heal injuries, supports the immune system, and supports the functioning of many enzymes. The AREDS study demonstrated that it is helpful for macular degeneration.

  • Foods: Highest concentrations in red meat, oysters, crab and lobster. Vegetable sources depend on the soil quality, so organic products are probably the best: wheat germ, wheat bran, seeds (especially sunflower and pumpkin), beans, nuts (especially almonds), whole grains. Also, chicken, and turkey.
  • Daily Need: 30mg-40mg /daily. If supplementing, it should be taken in a ratio of 15:1 zinc to chromium.
  • Related Conditions: Macular Degeneration , Glaucoma, Cataracts, Poor Night Vision, Floaters
  • Note: Deficiencies of zinc can result from:
    1. heavy sweating,
    2. high fiber diets and phosphates in sodas absorption,
    3. excessive coffee consumption,
    4. some health conditions including liver or renal disease, and diabetes
  • Zinc restricts copper, so if you are taking zinc you should also take copper as well in a 15:1 zinc to copper ratio. Consult your health care professional.

Footnotes:

1. (a) ClinicalTrials.gov NCT00765310 Lipoic Acid and Prevention of Heart Disease;
(b) ClinicalTrials.gov NCT00764270 The Role of R-Alpha Lipoic Acid in the Treatment of Atherosclerotic Vascular Disease.