Nutritional supplements
Learning Center
Grass-fed beef: What are the heart-health benefits?
Grass-fed beef may have heart-health benefits that conventional beef doesn't. Find out more.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Vitamin D toxicity: What if you get too much?
Understand the risks of too much vitamin D, including a toxic reaction.
Sex during vaginal infection: Is it harmful?
Vaginal infection makes intercourse painful and weakens your resistance to sexually transmitted infections. Consider waiting.
Carpal tunnel exercises: Can they relieve symptoms?
Carpal tunnel exercises may be helpful, but they aren't used alone.
Butter vs. margarine: Which is better for my heart?
Margarine usually tops butter for heart health. But not all margarines are created equal.
Calcium supplements: When should they be taken?
Timing matters when taking these supplements. Learn how to take them.
Vitamin D and MS: Is there any connection?
Some research suggests that vitamin D may reduce the risk of multiple sclerosis (MS).
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?
High blood pressure and cold remedies: Which are safe?
Among cold medicines, decongestants cause the most concern for people who have high blood pressure.
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