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3 vitamins that help your skin — and 2 you shouldn't invest in, according to dermatologists
Vitamin A derivatives, called retinoids, help with acne and brown spots, while vitamin C and E toge…
Allana Akhtar
People with vitamin D deficiency may be twice as likely to get the coronavirus, a small study found
A study of 489 people found that those with untreated vitamin D deficiency were almost twice as lik…
Anna Medaris Miller
Why dietitians say you need water-soluble vitamins daily and the best foods to get more vitamin C and B
Water-soluble vitamins dissolve in water and cannot be stored in the body for long periods of time,…
Kate Watson,Samantha Cassetty
The different types of water-soluble vitamins — and how to get enough of them
Water-soluble vitamins are those that dissolve in water and therefore, cannot be stored in the body…
Kate Watson
How vitamins are made
The CapsuleWorks facility for Nature's Bounty Company produces 50 million vitamins a day. Here's a …
Brett Jordan,Fabiana Buontemp…
The difference between vitamin D2 and D3 and which one you should choose as a supplement
Whereas vitamin D3 comes from animal sources, vitamin D2 comes from plant sources. Here's why you s…
Madeline Kennedy
A hard pill to swallow: Why gummy vitamins don't work as well as conventional supplements
Gummy vitamins often contain different quantities of vitamins and minerals than they advertise and …
Madeline Kennedy,Jason McKnig…
The best time to take vitamins and supplements for maximum absorption, according to nutritionists
The best time to take water-soluble vitamins is in the morning on an empty stomach, while you shoul…
Erin Heger,Kailey Proctor
The different types of fat-soluble vitamins — and how to get enough of them
Fat-soluble vitamins are those that require fat in order to be absorbed. They are also stored for l…
Sarah Fielding
What happens when you eat too many gummy vitamins
If you or your child has taken too many gummy vitamins, you may experience an upset stomach, headac…
Jessica Farthing,Samantha Cas…
How to improve your absorption of the 4 important types of fat-soluble vitamins - A, E, D, and K
Fat-soluble vitamins - A, E, D, and K - require fat to dissolve and be absorbed by the body. Here's…
Sarah Fielding,Samantha Casse…
Vitamin D isn't an effective COVID-19 treatment, but scientists haven't ruled out its relationship to severe disease
Vitamin D shortened a COVID-19 patient's hospital stay, but there's no evidence that taking vitamin…
Aria Bendix
Taking too much vitamin E can cause toxicity — here's how to recognize symptoms and get treatment
Vitamin E toxicity is usually the result of overusing supplements and it can cause headaches, nause…
Sarah Fielding
Can you take too much vitamin C? Yes, it can lead to an upset stomach, irritated skin, and headaches
Doctors recommend you get 65 to 90mg of vitamin C per day. Taking over 2,000 mg of vitamin C supple…
Tabitha Britt,Scott Kaiser
Muscle aches and fatigue could be a sign you're not absorbing enough vitamin D
Having vitamin D absorption issues could affect your bone health. Magnesium-rich and fatty foods ca…
Vanessa Caceres,Jason McKnight
About 40% of Americans don't get enough vitamin D - here's how to tell if you're deficient and how to treat it
An estimated 40% of Americans don't get enough vitamin D, putting them at increased risk of osteopo…
Madeline Kennedy,Melissa Rifk…
The 4 best vitamins for eye health and which foods — besides carrots — may improve vision
Vitamins A, C, E, and certain B vitamins can help support your vision and eye health. Here's what y…
Madeline Kennedy
Signs and symptoms of vitamin A deficiency — and how to treat it
Common symptoms of vitamin A deficiency include poor night vision, dry eyes, and rashes. If vitamin…
Sarah Fielding
Vitamin A toxicity is rare, but taking supplements increases your chance of developing it
Vitamin A toxicity is a rare condition that causes nausea, headaches, itchy skin, hair loss, and li…