Vitamins and Supplements | livestrong

By Erin Coleman, R.D., L.D.

Cut bananas in the plate

How Much Iron Is in Bananas?

Nutrition

By Lindsay Boyers

Expert Reviewed

Fresh spinach. Green vegetable leaves on plate, healthy food, vegetarian diet concept.

Diet for Calcium Oxalate Crystals in the Urine

Nutrition

By Lisa Maloney

Expert Reviewed

Prescription medicine in white bottle view from top

Is It Safe to Take 5-HTP and Wellbutrin?

Nutrition

By Lynne Sheldon

Coffee & Potassium

Nutrition

By Linda Tarr Kent

Flaxseed Down

Flaxseed & Oxalates

Nutrition

By Linda Tarr Kent

Grapefruit with slices.

Is Grapefruit Seed Extract Safe During Pregnancy?

Nutrition

By Sharon Perkins

Expert Reviewed

Pasta salad with tuna, tomatoes, olives, cucumber, sweet pepper and arugula on rustic background . Top view

Are Canned Salmon & Tuna Good Sources of Omega-3?

Nutrition

By Lindsay Boyers

Expert Reviewed

Flax seeds in the sack and oli on wooden background

How Much Flax Seed Oil Should I Use Per Day?

Nutrition

By Sarka-Jonae Miller

Woman with stomach ache

Does Vitamin B-12 Cause Diarrhea?

Nutrition

By Fred Decker

tied vanilla beans

Clear Vanilla Extract Vs. Dark Vanilla Extract

Nutrition

By Jenna Fletcher

Expert Reviewed

Close-Up Of Garlic With Wooden Spoon Over White Background

Effects of Too Much Garlic on the Body

Nutrition

By Nina K.

spinach

Dark Stool From Iron in Food

Nutrition

By Kelsey Lorencz, RDN

Expert Reviewed

woman holding her leg from a cramp while running-- a common need for increasing potassium quickly.

5 Ways to Raise Potassium Levels When Your Body Needs More

Nutrition

By Gord Kerr

Expert Reviewed

dietary vitamin supplement tablets and medicine bottle

Is It Dangerous to Have a High Level of Vitamin B12?

Nutrition

By Aglaee Jacob

Preparing for frying eggs on a pan

Can I Use Coconut Oil to Cook Eggs in a Frying Pan?

Nutrition

By J.M. Andrews

Can Fish Oil Cause Gallbladder Problems?

Nutrition

By Siddhi Camila Lama, MS, PhD, CNC, CPT

Expert Reviewed

Close-Up Of Pills On White Background

How to Keep Calcium Supplements From Causing Constipation

Nutrition

By Lindsay Boyers

Expert Reviewed

Fresh Mushroom champignon on dark background, sliced and whole with copy space, ready for cooking

When Will I Feel Better With B12?

Nutrition

By Jody Braverman

Expert Reviewed

Close-up of black man's hands placing supradyn biotin, biotin mineral and amino acid tablets in a pill organizer

Can You Take Supplements and Multivitamins With Biotin?

Nutrition

By Noreen Kassem

clinical thermometer and medicine

Can I Take Tylenol & Vitamins When I'm Sick?

Nutrition

By Sirah Dubois

Expert Reviewed

Products and ingredients containing zinc and dietary fiber, healthy nutrition

Does Chelated Zinc Boost Your Immunity?

Nutrition

By Pia Grant

Businesswoman under stress

Lack of Iron & Insomnia

Nutrition

By Kathleen Ferraro

Expert Reviewed

Two raw salmon fillets on wooden cutting board won't cause vitamin D3 stomach upset

Upset Stomach From Vitamin D? Here's Why, Plus How to Prevent It

Nutrition

By Andrea Boldt

Expert Reviewed

Girl Feeling Leg Pain in Training Session for Not Stretching

Potassium and a Crawling Feeling in the Calves

Nutrition

By Lori Newell

Salt

Sodium Supplements for Low Sodium Levels

Nutrition

By Sheri Kay

Polycythemia & Elevated B12

Nutrition

By Gord Kerr

pumpkin seeds

What Is Vitamin B15?

Nutrition

By Lawrence Adams

Male doctor sitting with female patient by window, smiling

What to Do If Your B12 Is Too High

Nutrition

By Allison Adams

Earth dripping from eye drop

What Are the Benefits of Cellfood Supplement?

Nutrition

By Sharon Perkins

Can I Take Expired Zinc Supplements?

Nutrition

By Emma Watkins

Expert Reviewed

Red Iron Pills

Is There Any Correlation Between Taking Iron Pills and Vitamin D Deficiency?

Nutrition

By Shannon Neumann

pills with pill bottle

What Form of Magnesium Supplements Best Regulates Heart Rhythms?

Nutrition

By Siddhi Camila Lama, MS, PhD, CNC, CPT

Expert Reviewed

Breakfast with muesli, yogurt and fresh strawberries

Probiotics on an Empty Stomach

Nutrition

By Jody Braverman

Expert Reviewed

Close up of person holding vitamin capsules in one hand and a glass of water in the other, showing taking vitamins before or after a meal

Should You Take Vitamins With or Without Food?

Nutrition

By Jessica Jacobs

maca powder

Herbs That Increase & Boost DHEA

Nutrition

By Jessica Bruso

Beef Stand, Public Market, Madrid

Vitamin B-12 Injections & Hair Loss

Nutrition

By Shannon George

Expert Reviewed

taking vitamin injections.

4 Reasons Your B12 Injections Might Not Be Working

Nutrition

By Lacey Muinos

Roasted chicken breast with rosemary, lemon and tomatoes on a cutting board

All About Glutamic Acid, Glutamate, Glutamine and Glutathione

Nutrition

By Jocelyn Solis-Moreira

Expert Reviewed

Female setting at a toilet with her pants down

Which Magnesium Is Best for IBS Constipation?

Nutrition

By Noreen Kassem

Problems with the skin

Accutane & Zinc

Nutrition

By Sanjana Gupta

Expert Reviewed

Effervescent/Fizzing Tablets/Pills in a Glass of Water

Is Too Much Niacin Bad for You?

Nutrition

By Deborah Lundin

Omega 3 pills - isolated

Do Vitamin D Supplements Cause the Blood to Be Thin?

Nutrition

By Danica Benninghoven

Expert Reviewed

Dairy products. Sour cream, milk, cheese, egg, yogurt and butter

Vitamin Deficiency With Muscle Twitches

Nutrition

By Shannon George

Expert Reviewed

Young dizzy woman

Can Iron Supplements Make You Feel Dizzy?

Nutrition

By Jessica Bruso

Passenger feeling dizzy in a train travel

Dizziness and Nausea After Magnesium Citrate

Nutrition

By Aris Sizer

Expert Reviewed

Grilled Salmon Steak with Cream sauce

How to Take Vitamin B-12 at Night

Nutrition

By Joshua Bailey

Man showing bottle of pills to camera

How to Take Copper With Zinc

Nutrition

By Debra Wolf

Omega-3

Effects of Vitamin D on Blood Thinners

Nutrition

By Emma Watkins

Walnut coconut soap

What Is Potassium Cocoate?

Nutrition

By Lindsay Boyers

Expert Reviewed

Pile of capsules with probiotic powder inside on white background.

Why Do Probiotics Make Me Sick?

Nutrition

By Tim Petrie

Expert Reviewed

Coconut oil

How to Replace Butter for Coconut Oil in Baking

Nutrition

By Bonnie Singleton

Job's tear seed in the black bowl on woody texture.

The Health Benefits of Job's Tears

Nutrition

By Sanjana Gupta

Expert Reviewed

Multivitamins with iron supplementation

The Best Iron Supplement for Low Ferritin Levels

Nutrition

By Linda Tarr Kent

Relaxed couple with coffee cups

Does Caffeine Deplete Vitamin D in the Body?

Nutrition

By Andra Picincu

Expert Reviewed

Drinks for Two

Is Ovaltine Healthy or Just a Sweet in Disguise?

Nutrition

By Derek Buckner

Can Taking Supplements Delay a Period?

Nutrition

By Emma Watkins

Pills in glass container

Folic Acid and Constipation

Nutrition

By Jessica Jacobs

"Milk droplet splashing, close-up"

What Is Calcium Caseinate?

Nutrition

By Jessica Bruso

Sources of Vitamin C

Calcium Ascorbate vs. Ascorbic Acid

Nutrition

By Gord Kerr

Expert Reviewed

Bottles of magnesium, folic acid and D3 vitamin pills top view

Dosage Required to Recover From a Magnesium Deficiency

Nutrition

By Mala Srivastava

Woman with allergy symptom blowing nose

Dangers of Taking L-Cysteine

Nutrition

By Amy Capetta

Expert Reviewed

Child taking multivitamins

Is It Ever Safe for Children to Take Adult Multivitamins?

Nutrition

By The LIVESTRONG.com Team

grilled rye sandwiches with cheese, spinach, pesto, avocado and goat cheese

Diet for Cracked Lips and Fingers

Nutrition

By Janet Renee

Candida

Anti-fungal Vitamins

Nutrition

By Rose Kivi

Expert Reviewed

Find Natural Sources of Iron

4 Ways to Avoid Constipation When Taking Iron Tablets

Nutrition

By Barbara Froek

Fitness equipment and healthy food, apple, nectarines, kiwi, lem

Can You Take L-Arginine & Creatine Together?

Nutrition

By Melodie Anne

What Is the Daily Recommended Intake of Korean Red Ginseng?

Nutrition

By Sherry David, R.N.

Father and son (6-7) drawing at kitchen counter, mother using mobile phone

What Happens With Nexium & Iron?

Nutrition

By Melodie Anne

Photo, bowl of oatmeal, muffin and a glass of orange juice, Color, High res

How Much Wheat Germ Do You Take Per Day?

Nutrition

By Francisco Javier Almeida Ponce

Capsules

The Amount of Vitamin D in Krill Oil

Nutrition

By Joseph Eitel

How Much L-Arginine Can You Take per Day?

Nutrition

By Bojana Galic

Doctor assisting woman after taking dangerous supplement.

Why Taking Miracle Mineral Supplement Is So Risky

Nutrition