Nutrition Articles

Supplement Questions Answered

Carnitine, Grape Seed Extract, Magnesium, Co Q10

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Q: Will carnitine help me lose weight?
In theory, carnitine, a derivative of the amino acid lysine, could be a good weight loss supplement because it helps move components of fat into the area in cells where they are burned. There is, however, no solid evidence that carnitine creates a weight-loss effect. In studies of both animals and humans, carnitine supplements have had no effect upon weight loss. Furthermore, some supplements contain the inactive form, which could actually displace the body's own active carnitine with possible undesirable effects. To lose weight, it’s more beneficial to reduce your food portions and invest in a good pair of walking shoes rather than carnitine supplements.

Q: Can grape seed extract provide antioxidants that we need?
A: Research suggests grape seed extract contains phytochemicals that can provide powerful antioxidant effects. While most experts consider the extract safe, research has yet to discover if grape seed extract provides any benefit for someone who already eats well. People taking medications should, however, check with their physician before taking it. Some evidence suggests it can produce blood-thinning effects when taken in high doses. For a person eating a healthful, balanced, mainly plant-based diet, an extract supplement may have no effect and could possibly be harmful. Continued ›

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About The Author

The American Institute for Cancer Research The American Institute for Cancer Research
The American Institute for Cancer Research (AICR) is a charity that has contributed more than $70 million for research on diet and cancer. AICR educates Americans how to make dietary changes to lower their cancer risk.

Member Comments

  • My cannot reach my magnesium goals either. My dr. has recommended that I purchase a magnesium/zinc supplement. She doesn't want them taken separately. She wants the correct "formulary", but alas -- I don't think the combination exists without the addition of calcium. - 5/19/2014 8:54:55 PM
  • I eat 5-10 servings of fruit and vegetables a day, and magnesium is still hard for me to reach the 100% level on SP's trackers. The other thing that magnesium is needed for, that the article fails to mention, is that over 300 enzymes require magnesium ions to function. So, do I supplement--on most days, yes. - 3/19/2013 12:38:57 PM
  • What about Moringa powder? anyone knows? - 9/15/2012 12:04:36 PM
  • NJ_HOU
    Selenium has been shown to help prevent cancer. Many places have noted the benefits. From this article
    "Nearly 200 animal studies have been conducted to evaluate the effects of supernutritional levels of selenium on experimental carcinogenesis using chemical, viral and transplantable tumor models. Of these, two-thirds have found that high levels of selenium reduced the development of tumors at least moderately (by 15 to 35% compared to controls) and in most cases very significantly (more than 35%). Only in a very few cases was selenium found not to be effective. " Of course, many people thought Linus Pauling was a flake about Vitamin C too

    - 11/10/2010 2:49:16 PM
    I eat plenty of veggies, fruits (at least 5/day), and nuts and I can never get enough magnesium. - 8/29/2008 10:32:50 PM
  • Great article. - 8/19/2008 2:49:51 AM

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