Vitamins & Supplements

Learn about important vitamins and nutrients our bodies need to function. Plus find tips on how to know if you should take a supplement and what to look for on the label. Read more about our Supplement Philosophy & Methodology.

Pills arranged in a heart shape on a pink background.
4 Supplements You Should Take to Increase Your Sex Drive, According to Experts
a photo of collagen supplement powder on a spoon and on a surface
The Best Time to Take Collagen Supplements for Maximum Absorption, According to Dietitians
Woman holding a glass of water and a supplement pill, green patterned background.
The Best Time of Day to Take Vitamin B12 for Maximum Absorption, According to Dietitians
a photo of a woman looking at a bottle of probiotics
We Asked 3 Dietitians How to Choose the Best Probiotic Supplement—This Is What They Said
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I Was Taking More Than 20 Supplements a Day for My Health. It Was Actually Making Me Sicker
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5 Supplements You Should Take to Relieve Constipation, According to a Gastroenterologist
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6 Supplements You Shouldn’t Take If You Get Migraines, According to Dietitians
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What Is Vitamin A & Why Do You Need It?
a photo of a hand holding a supplement pill with red inflammation circles
4 Supplements to Avoid If You Have Arthritis, According to Experts
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6 Supplements You Should Take for Better Gut Health, According to Dietitians
a photo of a person pouring orange capsules into their hand
What Happens to Your Body When You Take CoQ10 Regularly
a photo of vitamin K2 tablets and gel capsules
What Happens to Your Body When You Take Vitamin K2 Regularly
a photo of a Vitamin C tablet dissolving into a glass of water
7 Ways Vitamin C Interacts with Your Meds, According to Health Experts
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5 Supplements You Shouldn’t Take to Help You Poop, According to Experts
a photo of turmeric supplements
What Happens to Your Body When You Take Turmeric Regularly
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5 Best Supplements to Support Your Immune Health, Recommended by Dietitians
a photo of Calcium capsules pouring out of a bottle
What Happens to Your Body When You Take Too Much Calcium
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4 Supplements You Shouldn't Take If You're Trying to Lose Weight, According to Dietitians
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What Happens to Your Body When You Eat Edibles
a photo of a bottle of supplements pouring out of a bottle
What Happens to Your Body When You Take an Echinacea Supplement
An image of hands holding supplements
7 Supplement Combos You Should Never Take Together, According to Dietitians
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4 Supplements You Think Will Prevent You from Getting Sick, But Probably Won’t
a photo of someone pouring elderberry gummies into their hand
What Happens to Your Body When You Take an Elderberry Supplement
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What Happens to Your Body When You Take Melatonin Every Night
an image of ACV Gummies
What Happens to Your Body When You Eat Apple-Cider Vinegar Gummies
A selection of matcha powders we tested
The 7 Best Matcha Powders for the Perfect Pick-Me-Up
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EatingWell’s Supplement Philosophy & Methodology
a collage featuring some of the vegan protein powders
What Are the Best Vegan Protein Powders?
a photo of a bottle of calcium supplements pouring out of a bottle
5 Ways Your Calcium Supplement May Interact with Medications, According to Dietitians
a photo of some of the supplement products
I’m a Dietitian, and These Are the Supplements I’m Buying for Cold & Flu Season During Fall Prime Day
a collage featuring the Elevation Whey Portein Blend and the Garden of Life Whey Protein powder, both in the flavor chocolate
Garden of Life vs. Aldi's Millville Protein Powder
A selection of the best collagen powders displayed on a counter
The Best Collagen Powders, According to a Dietitian
Three protein shake bottles on a kitchen counter
The 8 Best Protein Shakes and Protein Powders, Taste-Tested by Dietitians and Editors
a photo of mushroom supplements on wooden spoons alongside a mushroom with an open capsule above it
What Happens to Your Body When You Take Mushroom Supplements
a photo of a bottle of supplements pouring out onto a pink, orange, and purple gradient
What Happens to Your Body When You Take a NAD Supplement
a photo of turmeric supplements
4 Herbal Supplements That Can Affect Your Medication
a container of protein powder with a scoop coming out
What Happens to Your Body When You Take Protein Powder Every Day
a photo of a woman sleeping
Should You Take Magnesium to Sleep Better? Here's What Doctors Say
a glass of Chlorophyll Water
What Happens to Your Body When You Drink Chlorophyll Water Every Day
A woman laying in bed sleeping with stars and a moon made out of oil in the background
The 4 Best Essential Oils for Sleep, According to Research
a person adding Collagen into a glass of water
What Happens to Your Body When You Take Collagen Powder Every Day
a photo of turmeric supplements
The Best Time to Take a Turmeric Supplement for Maximum Absorption, According to Dietitians
a collage with a bottle of Magnesium pills
Can Magnesium Help You Poop?
a photo of a man taking a supplement with a glass of water
5 Supplements You Should Take for Longevity, According to Dietitians
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4 Supplements You Shouldn’t Be Taking for IBS, According to Dietitians
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How Much Caffeine Is Too Much? Here's What a Dietitian Has to Say
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6 Supplements You Shouldn’t Be Taking for Better Heart Health, According to Dietitians
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What Happens to Your Body When You Take Probiotics Every Day
a photo of an older man taking a supplement with a glass of water
4 Supplements You Shouldn’t Take for Longevity, According to Dietitians
a collage featuring a woman looking tired and iron supplements
7 Sneaky Signs You Could Have Iron Deficiency
electrolyte drinks on a patterned background
Electrolyte Drinks: What Are They and Do You Need Them?
a photo of supplement capsules
What Happens to Your Body When You Take Too Much Magnesium
a photo of a woman taking her supplements
The Best Time to Take Omega-3s for Maximum Absorption, According to Experts
Supplements to help you poop and help with constipation
I’m a Dietitian, and This Is the Supplement I Take Every Day to Help Me Poop
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What Happens to Your Body When You Consume Vitamin E Regularly
an image of a fiber supplement being added to a glass of water
Should You Be Taking a Fiber Supplement If You Can't Poop? Here's What Dietitians Say
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4 Sneaky Signs You Might Need a Fiber Supplement, According to Dietitians
a photo of a bottle of generic pills coming out of it
What Happens to Your Body When You Take Vitamin B12 Every Day
a photo of a pill capsule with a blurry image of a martini
7 Medications You Shouldn't Mix with Alcohol, According to Doctors
a photo of a sports electrolyte drink
How Long Are Electrolyte Beverages Effective After Opening? Here’s What Sports Dietitians Say
a photo of Ashwagandha supplements
What Happens to Your Body When You Take Ashwagandha Regularly
a photo of Kourtney Kardashian and Lemme's GLP-1 Daily supplement bottle
Kourtney Kardashian Barker Just Launched a "Natural" GLP-1 Weight-Loss Supplement—but Is It Safe?
a photo of a tea bag in water
5 Herbal Teas That Can Affect Your Medication, According to Dietitians
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What Happens to Your Body When You Take B-Complex Vitamins Regularly
a photo of a woman looking into the refrigerator
5 Supplements You Should Keep in the Fridge, According to Dietitians