Vitamins & supplements

Benefits of calcium, magnesium and zinc

7 min

By Jordan Shute, MS, RD, LD

Mar 07

Little boy drinking a glass of milk

Calcium-rich food for bones

4 min

By Danielle Butbul, MPH, RDN

Mar 07

Woman grabbing her knee in pain

Calcium deficiency: Symptoms and risks

5 min

By Danielle Butbul, MPH, RDN

Mar 07

Young woman with a mask having blood drawn

Calcium blood test — how does it work?

6 min

By Jennifer Scheinman, MS, RDN

Mar 07

White woman holding a glass of water and pills

Should you take probiotics with antibiotics?

4 min

By Jordan Shute, MS, RD, LD

Mar 20

Three wooden spoons with vitamins

Boost your diet with the right supplements

6 min

By Nora Laberee

Mar 20

Plates and bowls with various vegetables

Prebiotics vs. probiotics: What's the difference?

5 min

By Danielle Butbul, MPH, RDN

Oct 09

Man laying in a field through lens of glasses

Vitamin A deficiency: What you need to know

6 min

By Jennifer Scheinman MS RDN

Sep 27

Young child eating raw broccoli

Foods High in Iron for Babies and Kids

3 min

By Katie Newsome, MPH, RD, LD

Sep 26

White hand dropping multivitamins into the other hand

Guide to multivitamins with iron

7 min

By Jennifer Scheinman, MS, RDN

Sep 26

White hand pouring pills from a bottle into the other hand

Iron supplements: Benefits, dosage and side effects

7 min

By Jordan Shute, MS, RD, LD

Sep 26

Mason jar of green smoothie with paper straw

Treating anemia from iron deficiency

6 min

By Ruben J. Rucoba, MD

Sep 26

Young Latina woman drinking a green smoothie while reading

What are normal iron levels?

7 min

By Ruben J. Rucoba, MD

Sep 26

Bunch of oranges

What are the different sources of vitamin C?

4 min

By Jennifer Scheinman, MS, RDN

Sep 26

Bottle of fish oil pills poured out

Fish oil: Benefits and dosage

5 min

By Jennifer Scheinman MS RDN

Jun 16

Black man resting his head on a desk full of books

What are the signs and symptoms of iron deficiency?

5 min

By Jennifer Scheinman MS RDN

Jun 16

Plate of salmon

What are omega-3 fats?

6 min

By Michelle Katz, MS, RD, CDCES

May 22

Graphic of vitamin D bottle at the beach

Vitamin D: How much and when to take

4 min

By Jenilee Matz, MPH

Dec 22

Open pill bottle with spilled pills on yellow background

Calcium supplements: What you need to know

6 min

By Andy Stergachis, PhD, BPharm

Dec 20

White hands holding vitamins and a glass of water

Can vitamins & supplements help you stay well this winter?

6 min

Clinically reviewed by Rebeca Thomas, BSN, RN, CPHQ

Oct 11

Young woman holding a pill

Calcium carbonate vs. calcium citrate

3 min

By Jordan Shute, MS, RD, LD

Aug 29

Young Asian girl drinking milk

Calcium function in the body: What does it do?

9 min

By Danielle Butbul, MPH, RDN

Aug 29

Woman pouring medicine from pill bottle into her hand

Biotin daily dosage: How much do I need?

5 min

By Danielle Butbul, MPH, RDN

Jun 10

Black woman with long hair looking at biotin pill

Biotin for hair growth: Can it help?

4 min

By Anna H. Chacon, MD, Fellow of the American Academy of Dermatology

Jun 10

Woman at table filing her nails

Biotin for nails: Does it work?

4 min

By Anna H. Chacon, MD, Fellow of the American Academy of Dermatology

Jun 10

One spoon holding two pills and one spoon holding powder

Biotin vs. collagen: How do they differ?

3 min

By Katie Newsome, MPH, RD, LD

Jun 10

Man pouring a pill into his hand

Can men take biotin?

2 min

By Maxwell Nanes, DO

Jun 10

Woman stepping on white scale

Does biotin cause weight gain?

3 min

By Sadie Crouch, RN, BSN

Jun 10

Young woman checking vitamin bottle information on phone

Is biotin safe for kidneys?

2 min

Robert A. Fried, MD

Jun 10

Young black mom and daughter smiling and drinking tea on the floor

Benefits of calcium, magnesium and zinc

7 min

By Jordan Shute, MS, RD, LD

Mar 07

Young woman with a mask having blood drawn

Calcium blood test — how does it work?

6 min

By Jennifer Scheinman, MS, RDN

Mar 07

Woman grabbing her knee in pain

Calcium deficiency: Symptoms and risks

5 min

By Danielle Butbul, MPH, RDN

Mar 07

Little boy drinking a glass of milk

Calcium-rich food for bones

4 min

By Danielle Butbul, MPH, RDN

Mar 07

Young women in a hat at the farmers market

Calcium-rich foods that are nondairy

4 min

By Katie Newsome, MPH, RD, LD

Mar 07

Little blonde girl smiling and eating food

Calcium supplements for kids

6 min

By Katie Newsome, MPH, RD, LD

Mar 07

Young family pouring a bowl of cereal

Daily recommended calcium intake — what you need to know

6 min

By Jennifer Scheinman, MS, RDN

Mar 07

Assortment of vitamins in their own containers

Be in the know about multivitamins

3 min

By Walgreens

Apr 18

Explore more