Monthly Archive: April 2010
Osteoporosis Vitamin D deficiency can contribute to the development of osteoporosis. A 2006 multinational study of 2,600 postmenopausal women with osteoporosis found that 64 percent of the participants had insufficient blood levels of vitamin...
Recommended Daily Intake Adults Nutritionists once based recommendations for daily vitamin D intake solely on the amount needed to prevent rickets. But because scientists now recognize vitamin D’s role in so many critical physiological...
Vitamin D is a fat-soluble vitamin that the human body uses to maintain normal calcium metabolism and promote bone health. The body can synthesize vitamin D when the skin is exposed to ultraviolet radiation...
Manganese Manganese has received a lot of attention for its role in bone and joint health. Most multivitamins provide only a few milligrams of manganese – enough to satisfy the minimum requirements – but...
Zinc and copper work together in the human body, so a good multivitamin should contain adequate quantities of both. A 15:1 zinc-to-copper ratio is considered ideal, with a range of 10 to 30 parts...
Multivitamin often include potassium at doses around 100 milligram per tablet, far below the recommended intake of 3,000 milligrams or more. However, individuals with varied, healthful diets usually don’t have a problem obtaining adequate...
Calcium Since calcium is such a bulky mineral, manufacturers include only a portion of the RDI in atypical multivitamin. Because calcium plays an important role in bone building, muscle contraction and more, it’s important...
There are no perfect answers about what an ideal multivitamin should contain. Whether you’re a man, woman or child will help determine the product that’s best for you, as will your age, your dietary...
If you were to take only one of the many dietary supplements available today, which would it be? Many nutrition experts recommend a high-quality multivitamin / mineral supplement (referred to simply as a multivitamin,...
Male Infertility Concentrations of L-carnitine can be found in the epididymis and sperm cells of the male reproductive system. Scientists have found that L-carnitine plays a key role in sperm motility and respiration, making...
Evidence is mounting in favor of carnitine’s effectiveness in slowing the rate of neurological deterioration associated with Alzheimer’s disease. in a double-blind, placebo-controlled study published in the Archive of Neurology in 1992, researchers randomly...
Although research is mixed, some studies have found a deficiency of L-carnitine in people with chronic fatigue syndrome. Additionally, researchers have found that carnitine supplementation can help relieve symptoms of chronic fatigue syndrome. In...
There is compelling scientific evidence that supplemental carnitine offers great cardiovascular benefits. It can not only help prevent heart disease but also helps treat several heart problems, including myocardial ischemia, a lack of oxygen...
Carnitine is a protein-like substance that the body synthesizes from two amino acids, methionine and lysine. Carnitine plays a central role in transporting fatty acids to muscle cells, including heart cells, which convert fatty...
With so many antioxidants available in health food stores, choosing the right supplements may seem impossible, but it’s not. For starters, consider the following 12 antioxidants, which are readily available in health food stores...
The niacin or nicotinic acid form of vitamin B3 has been known to be an effective method for lowering blood cholesterol levels since the 1950s. In the 1970s, the famed Coronary Drug Project demonstrated...
Ester-C is a patented combination of vitamin C (as calcium ascorbate) along with various metabolites of vitamin C, such as threonate and aldonic acid. Ester_C is clamined to be better absorbed and utilized compared...
Many claims have been made about the role of vitamin C (ascorbic acid) in regard to the prevention and treatment of the common cold. Since 1970, there have been over twenty double-blind studies designed...
A high dietary carotene intake is associated with a lower risk of cardiovascular disease. Beta-carotene may inhibit the oxidative damage to cholesterol and the lining of the arteries that initiates the process of hardening...
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Population-based (epidemiological) studies have clearly demonstrated that a diet high in beta-carotene is protective against a variety of cancers. The evidence is much stronger for beta-carotene than for vitamin A, presumably because beta-carotene exerts...