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.

A person drinking water holding a pill and facing sunlight with vitamin bottles on a table in the background
The #1 Mistake You’re Making When You Take Vitamin D
A hand holding assorted pills and another hand picking one with more pills displayed on a blue background
5 Supplements Women over 50 Should Prioritize for Longevity
How to Tell If You Need a Folate Supplement, According to Dietitians
A bottle of liquid medicine with a filled measuring cup in front
4 Cold and Flu Medications You Shouldn’t Mix with Caffeine
A person sitting on a couch and holding their head with both hands
6 Sneaky Signs You’re Not Getting Enough Vitamin B12
Two turmeric capsules against an abstract background
Dietitians Reveal 5 Mistakes You Might Be Making When Taking Turmeric
Illustration of a liver with a nerve or vein outline surrounded by scattered capsules and tablets
6 Supplements That Could Be Damaging Your Liver—and the Signs to Look For
A single pill depicted against a citrustextured background highlighting medicine interactions with juice
7 Medicines and Supplements You Shouldn’t Mix with Juice
What Happens to Your Body When You Take Probiotics Every Day
Person holding a scoop of powder over a container suggesting supplement or creatine use
Can You Take Too Much Creatine? Here’s What Sports Dietitians Say
A scoop of protein powder surrounded by more powder used as a supplement
The Hidden Dangers of Your Protein Powder—and How to Choose a Safe One
Three capsules side by side transitioning from clear to bright yellow representing the effect of certain supplements
Is Your Pee Neon Yellow? Your Supplement Could Be to Blame
A person pours hot water from a kettle into a green teacup with a teabag
Having Surgery? You May Need to Avoid These Teas
A conceptual illustration depicting kratom capsules over a split image featuring a heart and a brain
Kratom Is Sold as an All-Natural Wellness Product. But for Some, It Can Be Highly Addictive and Carries Health Risks
a photo of magnesium capsules and powder on two spoons
What Happens to Your Body When You Take Magnesium Every Day
Illustration of a stomach outline filled with various pills and capsules symbolizing medications affecting digestion
5 Ways Collagen Supplements Can Interfere with Medications
Capsules of Vitamin A scattered on a surface
What Happens to Your Body When You Take Vitamin A Regularly
a photo of a woman taking her supplements
The Best Time to Take Omega-3s for Maximum Absorption
A variety of pills and capsules overlayed with a grid and a translucent orange circle
6 Medications You Shouldn’t Mix with Your Multivitamin, According to Health Experts
a photo of someone putting Vitamin C powder into their drink
What Happen​s to Your Body When You Take Vitamin C Every Day
a photo of supplement capsules
What Happens to Your Body When You Take Too Much Magnesium
Pills arranged in the shape of a stomach on a pink background
7 Supplement Side Effects You Shouldn’t Ignore
The Best Time to Take Vitamin C for Maximum Absorption, According to Dietitians
A scoop of powdered creatine displayed against a pink background
What Happens to Your Body When You Take Creatine Every Day
A yellow capsule surrounded by white pills in a pink circular frame
4 Medications You Shouldn’t Mix with Your Omega-3 Supplement, According to Experts
a photo of several Vitamin D capsules spread all over a surface
Can You Die from Vitamin D Intoxication? Here’s What the Science Says
A white tablet over a green circle background with apple cider vinegar and apples in the backdrop
4 Supplements You Shouldn’t Mix with Apple-Cider Vinegar, According to Dietitians
A woman looking at herself in a mirror and touching her chin
What Happens to Your Skin When You Take Collagen
a photo of hands holding multiple kinds of supplements
Should You Take Vitamin D and Calcium at the Same Time? Here's What Experts Say
Pattern of yellow capsules on a blue background
What Happens to Your Body When You Take Folate Every Day
Various pills and powder featuring a large tablet in the center
5 Medications You Shouldn't Mix with Magnesium, According to Health Experts
A tablet and a tea bag overlapped symbolizing potential medication and herbal tea interactions
7 Medications That Don’t Mix Well with Herbal Tea
Turmeric capsules spilled on a gridpatterned background with some powder visible
What Happens to Your Body If You Take Too Much Turmeric
Wooden spoons with supplements pills and capsules on a colorful background
4 Supplements That May Help Lower High Cholesterol, According to Dietitians
A dietary supplement capsule on a coffeelike background
5 Supplements That Don't Mix Well with Coffee, According to Pharmacists
a collage featuring a supplements background and a roll of toilet paper
5 Supplements You Should Take to Relieve Constipation, According to a Gastroenterologist
a photo of a tea bag in water
5 Herbal Teas That Can Affect Your Medication, According to Dietitians
Various pills and capsules scattered on a surface with a warning symbol faintly visible in the background
6 Medications That Don’t Mix Well with Your Vitamin D Supplement, According to Pharmacists
Person holding supplements in their hand sitting
5 Supplements to Take for More Energy, According to Dietitians
A person holding a glass of water and small capsules in their hand with plants visible in the background
The Best Time to Take B-Complex Vitamins, According to Pharmacists and Dietitians
A container of white tablets spilled onto a blue surface
What Happens to Your Body When You Take Zinc
4 Supplement Pairs You Should Avoid—and 4 That Work Well Together, According to Dietitians
Person pouring supplements into their hand from a jar
4 Supplements You Should Consider Taking Once You Turn 40, According to Dietitians
A silhouette of a head with pills in blister packs surrounding it representing a discussion on supplements and brain health
5 Supplements You Should Avoid for Better Brain Health, According to Dietitians
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 pill organizer with various supplements and pills some placed outside on a patterned surface
5 Supplements That Could Disrupt Your Poop Schedule, According to Gut-Health Experts
a collage featuring a woman looking tired and iron supplements
7 Sneaky Signs You Could Have Iron Deficiency
A woman drinking from a cup with a towel over her shoulder standing outdoors
The Best Time to Take Electrolytes for Maximum Absorption, According to Sports Dietitians
A woman holding a pill bottle and glass sitting in bed under a lamp wearing a sleep mask on forehead
Magnesium vs. Melatonin: Which Is Better for Sleep?
A jar with dollar bills emerging from it, illustrating economic aspects of supplements
Inside the Collagen Boom: How a Once-Niche Supplement Became a $10 Billion Industry
A person in a fitness outfit dissolving a supplement powder into a glass of water
What Happens to Your Joints When You Take Collagen
a photo of a woman looking into the refrigerator
5 Supplements You Should Keep in the Fridge, According to Dietitians
Person seated on a couch pouring pills from a bottle into their hand
5 Supplements to Avoid If You Have Insulin Resistance, According to Dietitians
The #1 Supplement to Support Gut Health, Recommended by a Gastroenterologist
A person holding a glass with a drink, wearing workout clothing and a towel around their neck
6 Best Ways to Take Your Protein Powder, According to Experts
a photo of a woman looking at a probiotic pill while holding a glass of water
The Best Time to Take Probiotics Supplements, According to Health Experts
Person holding a pill bottle and looking at a tablet, background with orange circles and a grid pattern
5 Supplements to Avoid If You're Trying to Gain Muscle, According to Sports Dietitians
Person scooping powder into a container with a lid
The Best Time of Day to Take Creatine for Maximum Effect, According to Experts
a photo of a young woman holding a bottle of multivitamins while looking out the window
The Best Time of Day to Take a Multivitamin, According to a Dietitian
a photo of a woman taking a supplement with a glass of water
The Best Time to Take Calcium Supplements for Maximum Absorption, According to Dietitians
A person sitting outside, lifting a bottle to their mouth
I Tried 6 Electrolyte Drinks—This Is the One I Can’t Stop Drinking
Capsules spilling out of a bottle against a blue and pink patterned background
The Best Time to Take CoQ10 for Maximum Absorption, According to Dietitians
a photo of a woman taking a supplement with a glass of water
The Best Time to Take Vitamin D for Maximum Absorption, According to Health Experts
a photo of a woman reading the back of a supplement bottle
The Best Time to Take Magnesium for Maximum Absorption, According to Dietitians
A smiling person holding a pill and a glass of water, suggesting the context of taking supplements
4 Ways to Tell If Your Supplements Are Actually Working, According to Health Experts
Two capsules connected by a red cord
3 Vitamins and Minerals You Should Be Pairing Up for Better Absorption, According to Dietitians
A clock and a hand holding a pill bottle, against a decorative background with a red line and yellow accent
The Best Time to Take a Fiber Supplement for Maximum Benefits, According to Dietitians