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Supplements
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9 Supplements for Healthy Skin
These key supplements can help tackle a variety of skin conditions.

How to Supplement With Calcium
Here are four tips to make sure you're getting the most out of your calcium supplements.

Are There Any Collagen Supplements for Vegetarians?
L-glutamine is a great choice for meat-eaters and vegetarians alike.

10 Things You Should Know About Probiotics
Here’s a simple primer on how to buy, store, and consume probiotics.

Why Prebiotics Are as Important as Probiotics
Good gut health requires more than consuming enough probiotics.

5 Tips to Supplement With Vitamin D
If you can't sufficiently raise your vitamin D levels with whole foods or sunshine, here are ways to supplement wisely.

Vitamin D: What You Need to Know
The sunshine vitamin supports hundreds of processes in your body. Learn why you may need more of it than you think.

How to Choose an Omega-3 Supplement
Looking to increase your omega-3 levels? Here are six tips to finding the right supplement.

Probiotic Protection for Babies
A new study finds that feeding newborns beneficial bacteria reduces their risk of death from a common infection.

The Omega Balance
A guide to understanding omega-3 and omega-6 fatty acids and how they influence your health.

Expert Answers: What Are the Benefits of Collagen
Collagen — and its gelative derivatives — is used to support hair, skin, muscle, and blood-cell regeneration.

How Much Vitamin D Should You Take?
Here are five expert tips to help you calibrate your vitamin D intake.

Nutritional Supplements May Decrease Postpartum Blues
A trio of supplements supports brain changes in women during postpartum.

Expert Answers: How BCAAs Boost Health
Curious about BCAAs? Our expert explains what they're good for — and how to right-size your intake.


Expert Answers: What Should I Eat Before and After Exercising?
Our expert offers options for better pre- and postworkout meals for your running, biking, HIIT, and strength training workouts.

Vitamin D May Help Elderly Reduce Their Risk of Falling
A new study suggests that supplementing elderly diets may boost muscle strength and prevent injuries.

Digestive Enzymes
Suffering from heartburn, reflux, and other digestion challenges? Digestive enzymes can be an important step in finding lasting relief.

Supplement-Shopping Tips
Nutritional Supplements are not highly regulated, so both quality standards and formulations vary widely. In her New York Times bestseller, The Hormone Cure, Sara Gottfried, MD, offers these tips for supplement shopping:
Low vitamin D levels linked to cancer and heart disease, studies show
The studies, which looked at data on more than one million people, confirmed previously reported evidence of the risks associated with vitamin D deficiency.
REPORT: Does Vitamin D Supplementation Work?
Researchers in France claim that low vitamin D levels are an effect — not a cause — of disease, and recommend against supplementation.