Category Archives: Vitamin A

Antioxidants: Depression and Anxiety

Oxidative stress is associated with detrimental mood changes. The aetiology of depression and anxiety are complex, but it is thought that the release of inflammatory cytokines may be an initiating step. The release of these cytokines can be caused by … Continue reading

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Vitamin D Toxicity: Part 3

Three main theories have been suggested to explain the toxicity associated with excessive intakes of vitamin D. These theories are described and discussed in part 1 (here) and part 2 (here) of this article. The traditional view is that high … Continue reading

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Vitamin D Toxicity: Part 2

In my previous article on vitamin D toxicity (here), I explained that vitamin D can become toxic at high doses. The traditional explanation of vitamin D toxicity relates to the ability of high intakes of one vitamin D metabolite, 1,25-dihydroxyvitamin … Continue reading

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Antioxidants Protect From Cardiovascular Disease: More Evidence

For decades, time and money has been wasted on propagation of the cholesterol theory of cardiovascular disease. However, despite intensive propaganda campaigns the cholesterol theory of cardiovascular disease lies in tatters. And the scientific evidence is clear on the matter, … Continue reading

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Roughly 50 Essential Factors

Posted in Biotin, Calcium, Chromium, Cobalamin, Cobalt, Essential Amino Acids, Essential Fatty Acids, Fluoride, Glucose, Iron, L-leucine, L-lysine, L-methionine, L-phenylalanine, L-theanine, L-tryptophan, Leucine, Macrominerals, Magnesium, Manganese, Molybdenum, Niacin, Nickel, Pantothenic Acid, Phosphorus, Riboflavin, Selenium, Sodium, Starch, Thiamine, Trace Minerals, Vanadium, Vitamin A, Vitamin B, Vitamin C, Vitamin D, Vitamin E, Vitamin K, Zinc | Comments Off on Roughly 50 Essential Factors

Vitamin A: Cheap Childhood Infection Fighter

In the nations of the West the average age has risen largely due to a significant decrease in the risk of death in childhood. As more people survive childhood and live to their maximum age, it pushes the average age … Continue reading

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Alfalfa: Nutrient Dense Herb

Alfalfa (Medicago sativa) is perennial herb that belongs to the Fabaceae or legume family of plants. Alfalfa grows to around one metre in height and possesses leaves that look similar to trilobed clover leaves. Alfalfa produced purple flowers which mature … Continue reading

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Are Multivitamin and Mineral Supplements Effective?

Evidence in the scientific literature suggests that certain minerals and vitamin intakes are deficient in large proportions of Western populations. Essential nutrients that are of particular concern include vitamin D, chromium, calcium and magnesium. The main reason for low intake … Continue reading

Posted in Calcium, Exercise, Macrominerals, Magnesium, Micronutrients, Multivitamin Multimineral, Trace Minerals, Vitamin A, Vitamin B, Vitamin C, Vitamin D, Vitamin E, Zinc | Comments Off on Are Multivitamin and Mineral Supplements Effective?

What Should You Do If You Catch A Cold?

It is inevitable that even the most ardent follower of good high quality nutrition will eventually surbumb to the effects of infection and develop a common cold. While good nutrition and health can reduce the risk of contracting a cold … Continue reading

Posted in Beta Carotene, Carotenoids, Herbs, Immune System, Stress, Vitamin A, Vitamin C, Vitamin D, Zinc | Comments Off on What Should You Do If You Catch A Cold?

When is A Vitamin Not A Vitamin?

Vitamins are essential organic compounds needed in small amounts for normal metabolic regulation, usually as cofactors to enzymes. They are characterised in their own group because they cannot be synthesised in the body and so must be obtained from the … Continue reading

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