Vitamins & Supplements Archive

Pain

Vitamin D deficiency might affect recovery from knee surgery

Published September 1, 2021

A study published online May 5, 2021, in the journal Menopause found that women with a vitamin D deficiency experienced a more painful recovery from knee surgery than women with normal levels of the vitamin.

Staying Healthy

Supplements to prevent heart disease and cancer not justified

Published August 1, 2021

The U.S. Preventive Services Task Force found insufficient evidence for using most vitamin and mineral supplements to prevent heart disease and cancer in most healthy adults.

Staying Healthy

I recently became vegan. Should I be concerned about iron-deficiency anemia?

Published August 1, 2021

Vegetarians can ensure they are getting enough iron in their diets by eating iron-rich foods such as beans, tofu, and dark leafy greens.

Staying Healthy

Can a daily scoop of collagen powder really improve your skin?

Published August 1, 2021

Manufacturers tout collagen supplements as a way to improve signs of skin aging and skin quality. There is some research that shows they may bring skin benefits, reducing wrinkles, speeding wound healing, and improving skin hydration and elasticity. But because supplements aren’t regulated, quality may be highly variable. While collagen supplements are believed to be safe, there aren’t any long-term safety studies to date.

Heart Health

Fruit of the month: Stone fruits

Published July 1, 2021

Peaches, nectarines, apricots, peaches, plums, and cherries are considered stone fruits because they all contain large, hard seeds or pits. They’re all decent sources of fiber, vitamins A and C, and potassium.

Cancer

Vitamin D and the big C

Published July 1, 2021

New research has found an association between high and low levels of vitamin D and cancer risk. However, many older adults don’t get the recommended daily amount of 600 to 800 international units, as the main sources of vitamin D are sun exposure (which many people try to avoid) and certain foods, like fatty fish, fortified milk and cereal. Getting vitamin D levels checked to find a possible deficiency can reveal if someone needs more vitamin D, which may require taking a daily supplement.

Staying Healthy

5 important blood tests beyond the basics

Published July 1, 2021

Five blood tests beyond basic blood work may be worth pursuing for older adults. For example, a test to determine one’s vitamin B₁₂ level might be helpful, since older adults sometimes have trouble absorbing that vitamin. Likewise, older adults have less ability to absorb sunlight through the skin, which may lead to less production of vitamin D. Other blood tests to consider include those for HIV or hepatitis C infection, and a test to measure fasting blood sugar.

Staying Healthy

Advisory group: Too soon to recommend routine vitamin D screening

Published July 1, 2021

An advisory group finds there is not enough evidence to recommend routine screening for vitamin D deficiency.

Staying Healthy

Potassium and sodium out of balance

Updated June 21, 2021

The body needs the combination of potassium and sodium to produce energy and regulate kidney function, but most people get far too much sodium and not enough potassium.

Staying Healthy

By the way, doctor: Is spirulina good for you?

Updated June 21, 2021

I read that spirulina is the next wonder vitamin. What can you tell me about it?

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Vitamins & Supplements Archive

Articles

Vitamin D deficiency might affect recovery from knee surgery

Supplements to prevent heart disease and cancer not justified

I recently became vegan. Should I be concerned about iron-deficiency anemia?

Can a daily scoop of collagen powder really improve your skin?

Fruit of the month: Stone fruits

Vitamin D and the big C

5 important blood tests beyond the basics

Advisory group: Too soon to recommend routine vitamin D screening

Potassium and sodium out of balance

By the way, doctor: Is spirulina good for you?

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