Vitamin C & Essential Fatty Acids Show Efficacy in Dry Eye Treatments

Surgeon of Ophthalmology, Colin Chan, discusses Vitamin C (Ascorbic Acid) and Omega 3 use for eye health care in patients.

Vitamin C supplementation has also been shown to improve dry eye or Sjogrens either combined with other vitamins and GLA or alone at the 1,000mg dose even in patients with normal diets. I find Vitamin C quite useful either alone or as an adjunct to omega-3 supplementation

Dry Eye Supplements by Colin Chan

Personally, I have found that therapeutic doses of supplements show much better efficacy in most situations, however these larger doses are not often used.

The fact that animals synthesize their own ascorbic acid – from glucose – at 1 gram per kilo of body weight, and more under stress, should be a clue to understanding that Vitamin C RDIs (Required Daily Intakes) for people are way too low. But alas.

A meagre 60-90 mg of Vitamin C (RDA) is recommended by most health authorities to avoid an overt deficiency disease such as scurvy. Research in recent years has called for this value to be revised upwards. More on Vitamin C Health Benefits.

Take a 200 gram serving of wild salmon for example. According to nutritiondata.com. it provides for almost 4 grams of omega 3 fatty acids. Putting aside the modest levels of mercury found in many large, ocean going fish these days, no one would suggest that eating two pieces of salmon a day (8 grams omega 3) could possibly be bad for your health. However, suggest taking 8 fish oil capsules a day, and many would say “that sounds like too much! It could be dangerous.”

It goes to show the confusion and often general complacency towards higher, therapeutic doses of supplements. Relatively high doses of nutrients such as omega 3 fatty acids can be found organically in the food chain. However, supplementation of similar amounts is often frowned upon by health authorities and subject to established medical dogma.

Many health practitioners are finding these therapeutic doses of vitamins and minerals hugely beneficial for their patients, though this evidence is often largely ignored.

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