Category Archives: Vitamin B

More on Niacin and Cholesterol

he cholesterol theory of cardiovascular disease erroneously supposes that dietary cholesterol is the cause of atherosclerosis. The pharmaceutical industry is interested in this theory because selling cholesterol lowering drugs is profitable. Most people who have not investigated the matter might … Continue reading

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Pharmacological Action of Biotin

Biotin is part of the B group of vitamins and is important in the energy producing reactions because it is a co-factor for a number of carboxylase enzymes in fatty acid and amino acid metabolism, as well as gluconeogenesis. Vitamins … Continue reading

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Niacin and Cholesterol

ccording to proponents of the cholesterol theory of cardiovascular disease, dietary cholesterol raises plasma levels of certain lipoproteins, which leads to the development of atherosclerosis and cardiovascular disease. The treatment for this problem is claimed to be the administration of … Continue reading

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Vegetarianism Versus Non-vegetarianism: Nutrient intake

tudies have shown that vegetarian diets may hold health benefits over those of non-vegetarian diets. This reflects the fact that in general, vegetarians consume more plant based material than non-vegetarians. Plants are a good source of soluble and insoluble fibre, … Continue reading

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B12 and Folate Prevent Cognitive Decline

Cognitive decline is a common disorder associated with ageing, with a prevalence of between 5 to 30%. Effective strategies to prevent cognitive decline involving nutrition have centred around the use of B vitamins, following evidence that some B vitamin may … Continue reading

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Plasma Levels of Micronutrients: Are they Reliable During Disease?

Much of the work performed to determine the normal range of plasma micronutrients was undertaken in healthy subjects. This information was obtained from depletion studies of single nutrients, and has been used to compile many of the nutritional guides for … Continue reading

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Vitamin B6 for Depression?

The B vitamins are needed for energy production because they are required as cofactors in a number of key enzymes in glycolysis and the citric acid cycle such as pyruvate carboxylase (biotin), pyruvate dehydrogenase (riboflavin and thiamine) and α-ketoglutarate dehydrogenase … Continue reading

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Is Avoiding Dairy Bad for Your Health?

The dietary cholesterol and saturated fatty acid theory of cardiovascular disease does not stand up to scientific scrutiny. Avoiding dairy products to reduce saturated fatty acid and cholesterol intakes is therefore not justified based on the scientific literature. In fact, … Continue reading

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Vitamin B12 And Insulin Resistance

It is known that deficiencies of some nutrients during pregnancy can adversely affect the foetus. A folic acid deficiency causing neural tube defects is a well know example. It is likely that other vitamin deficiencies affect the growing foetus, due … Continue reading

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Homocysteine and Health

Homocysteine is a metabolite of the amino acid methionine and elevated plasma levels are an independent risk factor for cardiovascular disease. Homocysteine levels become elevated due to low intakes of vitamin B6, B12 or folate, which are required as co-factors … Continue reading

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