Vitamins & Supplements

Boning Up on Calcium

With questions being raised about supplements, its time to take a fresh look at getting enough calcium from your diet. Calcium is not only the most abundant mineral in the human body, its also the one Americans spend the most getting more

Extra Vitamin E Found Safe Yet Ineffective; Debate Goes On

The good news from a new pooled analysis of 57 studies is that, despite some red flags from previous research, vitamin E supplements are safe and dont increase the risk of death. But neither do the once-highly touted supplements help you live longer, the review reports, despite hopes their antioxidant effects might fight chronic disease. Calling their meta-analysis the largest and most inclusive to date, scientists concluded in Current Aging Science that vitamin E supplementation cannot be endorsed as a means of reducing mortality

Q: In your June 2007 newsletter you reported the recommended AREDS antioxidants combination to...

Answer :Copper is an essential mineral with an established Recommended Dietary Allowance (RDA) of 900 micrograms (0.9 milligrams) per day for adults and a Tolerable Upper Intake Level (UL) of 10,000 micrograms (10 milligrams) daily. (The UL is the maximum daily intake of a nutrient that is likely to pose no risks of adverse health affects for almost all individuals.) According to Jeffrey Blumberg, PhD, director of the Antioxidants Research Laboratory at Tufts Jean Mayer…

Mental Energy-Boosting Claims Put to the Test

Can foods, beverages or dietary supplements really increase your mental energy? Scientists at the Life Sciences Research Organization (LSRO) recently reported the results of a review of the scientific evidence for such claims regarding ginkgo biloba, ginseng, glucose and omega-3 polyunsaturated fatty acids. They defined mental energy as consisting of mood (transient feelings about the presence of fatigue or energy), motivation (determination and enthusiasm) and cognition (sustained attention and vigilance)

Broccoli Benefits Best Obtained from Veggies, Not Pills

Eat your broccoli-because you cant get the same health benefits from pills

Olive Oil May Boost Bones in Mediterranean Diet

Already touted for heart health and other benefits, the so-called Mediterranean diet

Berries Linked to Lower Parkinsons Risk

Plus new clues to the disease from ibuprofen and vitamin D. Three new studies are shedding light on the mysteries of Parkinsons disease, one of the most common nervous system disorders with aging. A neurodegenerative brain disorder that leads to tremors and difficulty with movement and coordination, Parkinsons most often develops after age 50; 50,000-60,000 new US cases are diagnosed annually

Q: Whats the safe level of daily vitamin D? Is it different for older...

Answer :The recommended intake of vitamin D-but not the safe limit-does increase with age: The Institute of Medicine has set the daily adequate intake for adults ages 19 to 50 at 200 IU of vitamin D, for ages 51 to 70 at 400 IU, and for those older than age 70 at 600 IU. Many experts, however, argue that those levels should be raised, and research has shown that 800 to 1,000 IU daily may…

Zinc Benefits Nothing to Sneeze At

Zinc really might work to prevent the common cold and lessen the severity of symptoms, according to a new review, but the prevalence of side effects might make you think twice about taking it. Scientists searched for randomized, double-blind, placebo-controlled trials conducted since 1984

Low B12 Affects Cognitive Ability in Multiple Ways

If youre not getting enough vitamin B12, your brain might actually be smaller