Nutritional supplements
Learning Center
Cold and flu viruses: How long can they live outside the body?
Some viruses are more resilient than you may think. Learn more about how they spread and how to protect yourself.
Childhood vaccines: Tough questions, straight answers
When it comes to childhood vaccines, misinformation is common. Get the facts about vaccine safety from health experts.
Car seat safety: Avoid 9 common mistakes
Learn about common mistakes and find out what you need to do to keep your child safe on the road.
Cancer prevention: 7 tips to reduce your risk
Real-life ways to reduce your risk of cancer.
Can vitamins help prevent a heart attack?
Study results are mixed on whether vitamins can prevent heart disease. Find out more.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about vitamin D and coronavirus disease 2019 (COVID-19).
Can baby eczema be prevented?
It may be possible to protect your baby from the pain and irritation of this skin rash that affects infants.
Calcium supplements: When should they be taken?
Timing matters when taking these supplements. Learn how to take them.
Calcium supplements: Do men need them?
Do guys need calcium supplements for bone health?
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
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