Skip to content
GNC
Enable Accessibility
Lakewood Towne Center
Buy One Get One 50% OFF
Shop Now
Make Me a PRO Access Member
DEALS
Vitamins & Supplements
Shop All Vitamins & Supplements
Multivitamins
Multivitamins for Men
Multivitamins for Women
Multivitamins for Children
Gummy Multivitamins
Prenatal Multivitamins
Vitapak Programs
Fish Oil & Omegas
Supplements
Resveratrol
Coenzyme Q-10
Testosterone Booster
Melatonin
All Other Supplements
Letter Vitamins
Vitamin A Supplements
Vitamin B Supplements
Vitamin C Supplement
Vitamin D Supplement
Vitamin E Supplement
Vitamin K Supplement
Joint Support Supplements
Sexual Health
Children’s Vitamins & Supplements
Minerals
Calcium
Magnesium
Potassium
Iron
Chromium
Copper
Selenium
Zinc
Antioxidants
Vitamin Accessories
By Concern
Healthy Aging
Heart Health
Joint Support
Men’s Health
Sleep Solutions
Women’s Health
Featured
Trending: Shilajit
GNC Women’s
GNC Mega Men
Protein & Fitness
Shop All Protein & Fitness
Protein Powder
Whey Protein
Mass Gainers
Vegan Protein
Casein Protein
Plant Based Protein
Pre-Workout
Non-Stim
Drinks & Snacks
Protein Shakes
Protein Bars
Healthy Snacks
Meal Replacements
Energy Drinks
Hydration & Electrolytes
Intra/ Post Workout & Recovery
Muscle Support
Creatine Supplements
Nitric Oxide
Amino Acid Supplements
Testosterone Support
Energy & Endurance
Equipment & Accessories
Drinkware
Fitness Equipment
Apparel & Accessories
By Goal
Build Muscle
Endurance Support
Energy Support
Exercise & Workout Support
Healthy Eating
Featured
BOGO 50% Off GNC AMP
BOGO 50% Off Beyond Raw
BOGO 50% Off GLAXON
Food & Drink
Shop All Food & Drink
Drinks
Energy Drinks
Hydration & Electrolytes
Protein Shakes
Food & Snacks
Protein Bars
Healthy Snacks
Meal Replacements
Superfoods
Apple Cider Vinegar
Beet Supplement
Bee Products
Black Seed Oil
Superfruits
Green Foods
Chlorella
Green Food Blends
Moringa
Spirulina
Specialty Diet
Gluten Free
Keto Diet Friendly
Sugar Free
Vegan
Featured
New: Gorilla Mind
Trending: Bloom
Herbs & Natural Solutions
Shop All Herbs & Natural Solutions
Herbs
Herbs A-E
Herbs F-N
Herbs O-S
Herbs T-Z
Natural Solutions
Immune Support
Energy & Stress Support
Brain & Memory Support
Natural Sleep Supplements
Natural Remedy Supplements
Homeopathic Products
Featured
Ashwagandha
Elderberry
Melatonin
Milk Thistle
Mushrooms
Turmeric
Digestion & Gut Health
Shop All Digestion & Gut Health
Probiotics
Probiotics for Men
Probiotics for Women
Probiotics for Kids
Cleansing & Detox
Enzymes
Fiber Supplement
Prebiotics Supplements
Milk Thistle for Digestion
Greens for Digestion
Featured
Bloom
Codeage
Garden of Life
Just Thrive
supergut
Weight Management
Shop All Weight Management
Appetite Control & Diet Support
Appetite Control
Diet Support Formulas
Water Pills
Metabolism Support
Fat Burners & Thermogenics
Stimulant-Free Support
CLA
Meal Replacements
Meal Replacement Bars
Meal Replacement Powders
Ready To Drink Protein
Specialty Diet
Keto Products
Sugar Free
Featured
GNC Total Lean GlucaTrim™
Weight Loss Solutions
GLP-1 Support
Beauty & Skin Care
Shop All Beauty & Skin Care
Collagen
Collagen Supplements
Collagen Powders
Skin Care
Hair Care
Shampoo & Conditioner
Hair Care & Styling Treatments
Hair Supplements
Beauty Supplements
Hair Skin & Nail Formulas
Biotin
By Goal
Healthy Aging
Featured
Codeage
GNC Women’s
ResVitale
SeroVital
Vitauthority
By Goal
Men’s Health
Women’s Health
Weight Management
Gaming Supplements
Sleep Aid
Brain & Memory Support
Digestion & Gut Health
Hair, Skin & Nails
Heart Health
Joint & Muscle Support
Immune Support
Banned Substance Tested
Blood Sugar Support
Bone Support
Build Muscle
Children’s Support
Cleanse & Detox
Endurance Support
Energy Support
Exercise & Workout Support
Eye Health
FSA and HSA Eligible GNC Products
Healthy Aging
Healthy Eating
Intimate Well-being
Live Well At Home
Menopause Support
Mental Focus Supplements
Mood Support
Prenatal Health
Prostate Health
Seasonal and Homeopathic Allergy & Sinus
Stress Management
Training Support
By Brand
Shop All By Brand
GNC Brands
All GNC
GNC Amp
Beyond Raw
Body Dynamix
GNC Mega Men
GNC Pro Performance
GNC Women’s
GNC Total Lean
Top Brands
Alani Nu
Ghost
Glaxon
Nugentix
Optimum Nutrition
PRIME
Trending
Bang Energy
Bloom
GNC Total Lean Glucatrim
RYSE
Fuel Your Fitness
GLP-1 Support
Vitapak Programs
PRO Access Membership
LEARN
Overview
Weight Management
Fitness
Health & Wellness
Healthy Recipes
NEW & BUZZWORTHY
BUNDLE & SAVE
GNC Routines
X
sign In
Menu
SHOP
Vitamins & Supplements
Shop All Vitamins & Supplements
Multivitamins
Multivitamins for Men
Multivitamins for Women
Multivitamins for Children
Gummy Multivitamins
Prenatal Multivitamins
Vitapak Programs
Fish Oil & Omegas
Supplements
Resveratrol
Coenzyme Q-10
Testosterone Booster
Melatonin
All Other Supplements
Letter Vitamins
Vitamin A Supplements
Vitamin B Supplements
Vitamin C Supplement
Vitamin D Supplement
Vitamin E Supplement
Vitamin K Supplement
Joint Support Supplements
Sexual Health
Children’s Vitamins & Supplements
Minerals
Calcium
Magnesium
Potassium
Iron
Chromium
Copper
Selenium
Zinc
Antioxidants
Vitamin Accessories
By Concern
Healthy Aging
Heart Health
Joint Support
Men’s Health
Sleep Solutions
Women’s Health
Featured
Trending: Shilajit
GNC Women’s
GNC Mega Men
Protein & Fitness
Shop All Protein & Fitness
Protein Powder
Whey Protein
Mass Gainers
Vegan Protein
Casein Protein
Plant Based Protein
Pre-Workout
Non-Stim
Drinks & Snacks
Protein Shakes
Protein Bars
Healthy Snacks
Meal Replacements
Energy Drinks
Hydration & Electrolytes
Intra/ Post Workout & Recovery
Muscle Support
Creatine Supplements
Nitric Oxide
Amino Acid Supplements
Testosterone Support
Energy & Endurance
Equipment & Accessories
Drinkware
Fitness Equipment
Apparel & Accessories
By Goal
Build Muscle
Endurance Support
Energy Support
Exercise & Workout Support
Healthy Eating
Featured
BOGO 50% Off GNC AMP
BOGO 50% Off Beyond Raw
BOGO 50% Off GLAXON
Food & Drink
Shop All Food & Drink
Drinks
Energy Drinks
Hydration & Electrolytes
Protein Shakes
Food & Snacks
Protein Bars
Healthy Snacks
Meal Replacements
Superfoods
Apple Cider Vinegar
Beet Supplement
Bee Products
Black Seed Oil
Superfruits
Green Foods
Chlorella
Green Food Blends
Moringa
Spirulina
Specialty Diet
Gluten Free
Keto Diet Friendly
Sugar Free
Vegan
Featured
New: Gorilla Mind
Trending: Bloom
Herbs & Natural Solutions
Shop All Herbs & Natural Solutions
Herbs
Herbs A-E
Herbs F-N
Herbs O-S
Herbs T-Z
Natural Solutions
Immune Support
Energy & Stress Support
Brain & Memory Support
Natural Sleep Supplements
Natural Remedy Supplements
Homeopathic Products
Featured
Ashwagandha
Elderberry
Melatonin
Milk Thistle
Mushrooms
Turmeric
Digestion & Gut Health
Shop All Digestion & Gut Health
Probiotics
Probiotics for Men
Probiotics for Women
Probiotics for Kids
Cleansing & Detox
Enzymes
Fiber Supplement
Prebiotics Supplements
Milk Thistle for Digestion
Greens for Digestion
Featured
Bloom
Codeage
Garden of Life
Just Thrive
supergut
Weight Management
Shop All Weight Management
Appetite Control & Diet Support
Appetite Control
Diet Support Formulas
Water Pills
Metabolism Support
Fat Burners & Thermogenics
Stimulant-Free Support
CLA
Meal Replacements
Meal Replacement Bars
Meal Replacement Powders
Ready To Drink Protein
Specialty Diet
Keto Products
Sugar Free
Featured
GNC Total Lean GlucaTrim™
Weight Loss Solutions
GLP-1 Support
Beauty & Skin Care
Shop All Beauty & Skin Care
Collagen
Collagen Supplements
Collagen Powders
Skin Care
Hair Care
Shampoo & Conditioner
Hair Care & Styling Treatments
Hair Supplements
Beauty Supplements
Hair Skin & Nail Formulas
Biotin
By Goal
Healthy Aging
Featured
Codeage
GNC Women’s
ResVitale
SeroVital
Vitauthority
By Goal
Men’s Health
Women’s Health
Weight Management
Gaming Supplements
Sleep Aid
Brain & Memory Support
Digestion & Gut Health
Hair, Skin & Nails
Heart Health
Joint & Muscle Support
Immune Support
Banned Substance Tested
Blood Sugar Support
Bone Support
Build Muscle
Children’s Support
Cleanse & Detox
Endurance Support
Energy Support
Exercise & Workout Support
Eye Health
FSA and HSA Eligible GNC Products
Healthy Aging
Healthy Eating
Intimate Well-being
Live Well At Home
Menopause Support
Mental Focus Supplements
Mood Support
Prenatal Health
Prostate Health
Seasonal and Homeopathic Allergy & Sinus
Stress Management
Training Support
By Brand
Shop All By Brand
GNC Brands
All GNC
GNC Amp
Beyond Raw
Body Dynamix
GNC Mega Men
GNC Pro Performance
GNC Women’s
GNC Total Lean
Top Brands
Alani Nu
Ghost
Glaxon
Nugentix
Optimum Nutrition
PRIME
Trending
Bang Energy
Bloom
GNC Total Lean Glucatrim
RYSE
Fuel Your Fitness
GLP-1 Support
Vitapak Programs
PRO Access Membership
LEARN
Overview
Weight Management
Fitness
Health & Wellness
Healthy Recipes
Find Your Supplement Quiz
Gaming Nutrition
GNC PRO Access
GNC Health
Search
Search
Menu
DEALS
BEST SELLERS
NEW & BUZZWORTHY
BUNDLE & SAVE
GNC Routines
Account
Menu
DEALS
BEST SELLERS
NEW & BUZZWORTHY
BUNDLE & SAVE
GNC Routines
Learn
>
Why Trust GNC
>
Sustainability
Sustainability
Our Experts
Science and Research
View All
Our Experts
Quality Standards
Science and Research
Supplement Myths
Sustainability
All SUSTAINABILITY ARTICLES
