Nutritional supplements
Learning Center
Coronavirus: What is it and how can I protect myself?
Coronavirus disease 2019 (COVID-19) is caused by a virus that spreads between people. Find out how to protect yourself and those close to you.
Dental floss vs. water flosser: Which is better?
Cleaning between your teeth every day is an important part of good oral health.
Do the benefits of vitamin C include improved mood?
You know vitamin C helps fight the common cold. But did you know that vitamin C might also help improve your mood?
Does sunscreen expire?
Wondering whether sunscreen expires? Get the facts about how long sunscreen lasts.
Enlarged prostate: Does diet play a role?
Lifestyle factors such as diet appear to play a role in benign prostatic hyperplasia (BPH). See what lifestyle changes may help with symptoms.
Enterovirus D68 and parechovirus: How can I protect my child?
Enterovirus D68 and parechovirus infections can lead to serious illness among children. Know the symptoms and what you can do.
Fasting diet: Can it improve my heart health?
Being on a fasting diet some of the time may have heart-health benefits. Find out more.
Fiber supplements: Safe to take every day?
Fiber supplements are one way to add fiber to the diet. Here are some tips for using them safely.
Flaxseed: Is ground better than whole?
Nutrition experts recommend ground flaxseed over whole flaxseed. Find out why.
Flu mask: Should I wear one?
Influenza masks and hand hygiene might help protect healthcare workers from flu (influenza).
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