VITAMINTESTING.COM: Vitamin Deficiency Test Information

While Vitamin E is thought to be good, there has are no conclusive studies showing that it protects the heart or prevents cancer. And large doses can thin out the blood and may inclrease the risk of stroke in those with uncontrolled blood pressure. The recommended daily allowance (RDA) is 15 mg of which half [...]

While taking vitamins is often thought to be a good thing, getting too much of them can simply be dangerous. For instance, large doses of Vitamin E can increase the risk of bleeding if you’re on blood thinners.  Higher doses of this vitamin, according to researchers at Johns Hopkins University, was associated with a higher [...]

Excess amounts of Vitamin A acumulate and can eventually be toxic. Other effects of high levels of this vitamin include: blurred vision, headaches, vomiting and liver, bone and nervos system problems. The RDA for men is 900 mcg and for women 700 mcg. Foods that are Vitamin A rich include: carrots, fortified cereals, dark leafy [...]

If you’re taking Zinc supplements, beware. High doses can interfere with how your body metabolizes copper and iron, may weaken the immune system and may also reduce the levels of HDL (good cholestrol).  It is unclear, since there are many studies with mixed results, if Zinc reduces the length of a common cold. Zinc supplements [...]

Several reports have come out, most recently by the Associated Press, that so-called “natural sexual enhancers” mjay contain unregulated versions of the very pharmaceuticals they are intended to replace.  While this may not sound dangerous, it is for tbe millions of men who take nitrates, drugs that help regulate blood pressure and treat heart disease.  [...]

Even if you buy vitamin supplements that are manufactured in the US, chances are that the ingredients came from China.  In fact, a majority of vitamins A, B12, C and E are made in China.  In fact, in less than a decade, China has captured 90 percent of the U.S. market for Vitamin C. So, why be [...]

       June 4, 2007 A lengthy expose was published across the USA regarding the safety of vitamins that are manufactured in China.  What spurred recent safety concerns was the deaths of thousands of pets from pet food manufactured in China which contained adulterated wheat gluten. China manufactures huge amounts of vitamin supplements sold in the USA, including over [...]

        A report by WebMD on May 15, 2007 states that ” Men who take too many multivitamins may be increasing their risk of dying from prostate cancer, according to new research from the National Cancer Institute.” The research found that taking a multivitamin more than seven times a week was associated with a 30% increased risk [...]

                               Potential Risks of Using Dietary Supplements      Although certain products may be helpful to some people, there may be circumstances when these products can pose unexpected risks. Many supplements contain active ingredients that can have strong effects in the body. Taking a combination of supplements, using these products together with medicine, or [...]

A John Hopkins Study found that taking even modest amounts of Vitamin E (400 IU per day, an amount recommended by many doctors) leads to an increased risk of death.   Likewise, high doses of beta carotene had been shown to increase the risk for lung cancer and death. Read the full text here.