Category Archives: Beta Carotene

Antioxidants for the Eye: Xanthophylls

The human eye is an interesting design. The design of the eye is related to the function it must play in allowing vision in the presence of damaging ultraviolet light. In this regard, comparison to the octopus eye is interesting, … Continue reading

Posted in Beta Carotene, Carotenoids, Eyes, Lutein, Lycopene, Xanthophylls, Zeaxanthin | Comments Off on Antioxidants for the Eye: Xanthophylls

Xanthophylls and Carotenoids as Antioxidants

Animals are chemotrophs, meaning that they obtain their energy from other organisms, ultimately plants. Animals therefore have no reason to expose themselves excessively to sunlight, which can be damaging when in excess. Animals can protect themselves from the damaging effects … 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

Posted in Atherosclerosis, Beta Carotene, Cardiovascular Disease, Endothelial Dysfunction, Nitric Oxide, Vitamin A, Vitamin C, Vitamin E | Comments Off on Antioxidants Protect From Cardiovascular Disease: More Evidence

Plasma Antioxidants Associated with Insulin Sensitivity

Insulin resistance is characterised by an increase in the fasting plasma levels of insulin and glucose, and this is caused by a reduction in the efficiency of the insulin signalling system in the peripheral tissues. The development of insulin resistance … Continue reading

Posted in Antioxidant, Beta Carotene, Blood Pressure, Free Radicals, Insulin Resistance, Oxidative Stress, Tocopherols | Comments Off on Plasma Antioxidants Associated with Insulin Sensitivity

Obesity and Antioxidants: Why The Inverse Association?

Obese individuals have lower circulating levels of certain nutrients compared to lean individuals. For example, it has been reported that the plasma hydroxyvitamin D levels of obese individuals are low compared to normal weight controls (here). In addition, it has … Continue reading

Posted in Adipose Tissue, Antioxidant, Beta Carotene, Carotenoids, Obesity, Tocopherols, Vitamin E, Weight Loss | Comments Off on Obesity and Antioxidants: Why The Inverse Association?

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

Posted in Beta Carotene, Carotenoids, Cholecalciferol, Ergocalciferol, Niacin, Vitamin A, Vitamin B, Vitamin D, Vitamin K | Comments Off on When is A Vitamin Not A Vitamin?

Plant Foods Prevent Western Disease

With industrialisation has come a shift from traditional diets to the modern Western diet. Traditional diets are those eaten prior to complex food processing, and generally they contain high amounts of unprocessed and unrefined foods that maintain their original nutrient … Continue reading

Posted in Alpha Carotene, Antioxidant, Beta Carotene, Carotenoids, Coffee, Cryptoxanthin, Fruit, Polyphenols, Tea, Vegetables | Comments Off on Plant Foods Prevent Western Disease

Antioxidant Nutrients and Hearing Loss

The role of antioxidant nutrients in human health is now well established. A number of antioxidants are produced endogenously in humans, the most well known cellular antioxidant being the glutathione system. Cellular levels of glutathione are inversely associated with all … Continue reading

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Antioxidant Synergism

Posted in Antioxidant, Beta Carotene, Carotenoids, Chalcones, Flavonoids, Glutathione, Glutathione peroxidase, Riboflavin, Selenium, Stilbenes, Terpenes, Tocopherols, Tocotrienols, Vitamin C, Vitamin E | Comments Off on Antioxidant Synergism