20 Best Gnc B12 Supplements [2024]

Are you looking for the best gnc b12 supplements? Based on expert reviews, we ranked them. We've listed our top-ranked picks, including the top-selling gnc b12 supplements.

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# Preview Product
1 GNC Vitamin B-12 1000mcg, 90 Caplets, Supports Energy Production GNC Vitamin B-12 1000mcg, 90 Caplets, Supports Energy Production
2 GNC Methyl B-12 2500 mcg - 100 Caplets GNC Methyl B-12 2500 mcg - 100 Caplets
3 GNC Vitamin B-12 500mcg, 100 Tablets, Supports Energy Production GNC Vitamin B-12 500mcg, 100 Tablets, Supports Energy Production
4 GNC Vitamin B-12 1500mcg, 90 Capsules, Supports Energy Production GNC Vitamin B-12 1500mcg, 90 Capsules, Supports Energy Production
5 GNC Vitamin B-12 1000mcg - Cherry, Supports Energy Production GNC Vitamin B-12 1000mcg - Cherry, Supports Energy Production
6 GNC Women's Multivitamin 50 Plus |Supports Bone, Eye, Memory, Brain and Skin Health with Vitamin D,... GNC Women's Multivitamin 50 Plus |Supports Bone, Eye, Memory, Brain and Skin Health with Vitamin...
7 GNC Vitamin B-12 1000 mcg Lozenges - Cherry GNC Vitamin B-12 1000 mcg Lozenges - Cherry
8 GNC Vitamin B-12 5000 mcg - Cherry GNC Vitamin B-12 5000 mcg - Cherry
9 GNC B-Complex Plus Energy - Berry Smoothie - 60 Soft Chews GNC B-Complex Plus Energy - Berry Smoothie - 60 Soft Chews
10 GNC B-Complex 100 GNC B-Complex 100
11 GNC B-Complex Complete, Timed Release, 60 Caplets, Supports Immune and Nervous System Functions GNC B-Complex Complete, Timed Release, 60 Caplets, Supports Immune and Nervous System Functions
12 GNC Women's Multivitamin 50 Plus |Supports Bone, Eye, Memory, Brain and Skin Health with Vitamin D,... GNC Women's Multivitamin 50 Plus |Supports Bone, Eye, Memory, Brain and Skin Health with Vitamin...
13 GNC B-Complex 50 MG - 100 Capsules GNC B-Complex 50 MG - 100 Capsules
14 GNC Women's Vitapak Program - Energy & Metabolism | Complete Nutrient System Designed for Women |... GNC Women's Vitapak Program - Energy & Metabolism | Complete Nutrient System Designed for Women |...
15 GNC Mega Men One Daily Multivitamin for Men, 60 Count, Take One A Day for 19 Vitamins and Minerals,... GNC Mega Men One Daily Multivitamin for Men, 60 Count, Take One A Day for 19 Vitamins and...
16 GNC Immune Health Vitapak Program - 30 Vitapaks GNC Immune Health Vitapak Program - 30 Vitapaks
17 GNC Herbal Plus Energy Formula (100 Capsules) GNC Herbal Plus Energy Formula (100 Capsules)
18 GNC Men's Ultra NourishHair Supplement - 120 Caplets GNC Men's Ultra NourishHair Supplement - 120 Caplets
19 GNC Vitamin B-2 100mg, 100 Tablets, Metabolizes Fats, Carbohydrates and Proteins GNC Vitamin B-2 100mg, 100 Tablets, Metabolizes Fats, Carbohydrates and Proteins
20 GNC GNC Mega Men Multivitamin - Twin Pack GNC GNC Mega Men Multivitamin - Twin Pack
Bestseller No. 1
GNC Vitamin B-12 1000mcg, 90 Caplets, Supports Energy Production
  • FUEL YOUR DRIVE: Essential for energy production and the metabolism of carbohydrates
  • NEUROLOGICAL SUPPORT: Essential for proper neurological function
  • CELL SERVICE: Helps support proper red blood cell formation
  • Kosher
  • No sugar, no artificial colors, no artificial flavors, no preservatives, sodium free, no wheat, gluten free, no dairy
Bestseller No. 2
GNC Methyl B-12 2500 mcg - 100 Caplets
  • HIGH POTENCY B-12: Scientifically formulated by the experts at GNC to provide more than 100,000% of the recommended daily value
  • ENERGY METABOLISM SUPPORT: Vitamin B-12 is essential for carbohydrate metabolism and energy production
  • CELL SUPPORT: Also required for red blood cell formation
  • HIGHLY ABSORBABLE: Methylcobalamin is a highly absorbable form of B-12
  • BACKED BY SCIENCE: Since 1935, GNC has been committed to meeting the highest standards of quality, safety and efficacy so you can live well
Bestseller No. 3
GNC Vitamin B-12 500mcg, 100 Tablets, Supports Energy Production
  • GNC Vitamin B-12 - 500 mcg: Carbohydrate Metabolism and Energy Support Vitamin B-12 is essential for carbohydrate metabolism & energy production and...
  • No artificial colors or flavors
  • No preservatives, wheat, soy, or dairy
  • Sodium free
Bestseller No. 4
GNC Vitamin B-12 1500mcg, 90 Capsules, Supports Energy Production
  • FUEL YOUR SYSTEM: Essential for carbohydrate metabolism and energy production
  • CELL SERVICE: Helps support red blood cell formation
  • NEUROLOGICAL FUNCTION: Maintains proper neurological function
  • NERVE SUPPORT: May help support nerve tissue formation
  • No sugar, no starch, no artificial colors, no artificial flavors, sodium free, no wheat, gluten free, no corn, no soy, no dairy
Bestseller No. 5
GNC Vitamin B-12 1000mcg - Cherry, Supports Energy Production
  • GNC Vitamin B-12 1000 mcg Liquid dietary supplement
  • Essential for carbohydrate metabolism & energy production.*
  • Natural cherry flavor
SaleBestseller No. 6
GNC Women's Multivitamin 50 Plus |Supports Bone, Eye, Memory, Brain and Skin Health with Vitamin D,...
  • ABOUT THE PRODUCT: Nourish your body with GNC Women's Multivitamin 50 plus. This formula contains essential nutrients that help support bone, eye, and...
  • BRAIN AND MEMORY SUPPORT: This multivitamin includes nutrients needed to sustain energy levels, memory, and mood function. Formulated with choline,...
  • BONE AND SKIN HEALTH: Created for women over 50, packed with extra doses of vitamins and minerals that support your bone health, including vitamin D...
  • FORMULATION: Our new, advanced formula promotes healthy aging and optimizes your vitality. Gluten-free, with no artificial colors, flavors, wheat, or...
  • ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We...
Bestseller No. 9
GNC B-Complex Plus Energy - Berry Smoothie - 60 Soft Chews
  • GNC B-Complex Plus Energy Soft Chew - Berry Smoothie: 60 Soft Chews B-complex Plus Energy Soft Chews are a convenient alternative to pills and a great...
  • Immune & nervous system functions*
  • Plus caffeine
SaleBestseller No. 12
GNC Women's Multivitamin 50 Plus |Supports Bone, Eye, Memory, Brain and Skin Health with Vitamin D,...
  • ABOUT THE PRODUCT: Nourish your body with GNC Women's Multivitamin 50 plus. This formula contains essential nutrients that help support bone, eye, and...
  • BRAIN AND MEMORY SUPPORT: This multivitamin includes nutrients needed to sustain energy levels, memory, and mood function. Formulated with choline,...
  • BONE AND SKIN HEALTH: Created specifically for women over 50, packed with an extra dose of vitamins and minerals that help support your bone health,...
  • FORMULATION: Our new, advanced formula promotes healthy aging and optimizes your vitality. Gluten-free, with no artificial colors, flavors, wheat, or...
  • ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We...
Bestseller No. 13
GNC B-Complex 50 MG - 100 Capsules
  • ENERGY & METABOLISM: B-vitamins support metabolism and energy production
  • WELLNESS FROM THE INSIDE, OUT: This high-quality blend of vitamins supports a healthy brain, skin, hair and nails
  • NOURISH YOUR WELLBEING: Support your immune and nervous system functions
  • BACKED BY SCIENCE: Since 1935, GNC has been committed to meeting the highest standards of quality, safety and efficacy while applying the most...
SaleBestseller No. 14
GNC Women's Vitapak Program - Energy & Metabolism | Complete Nutrient System Designed for Women |...
  • ABOUT THE PRODUCT: GNC Women's Vitapak Program is the essential vitamin blend for increased energy, better performance, and enhanced focus. Each...
  • ENERGY & METABOLISM: This program features a clinically studied weight-control blend with caffeine for mental clarity and alertness. The addition of...
  • CARDIOVASCULAR HEALTH: Our Cardiovascular Health formula contains essential omega-3s, GLA's, nutrients, and botanicals to help support healthy blood...
  • FORMULATION: GNC Women's Vitapak is a comprehensive health maintenance program designed for women. Get all the essential vitamins and minerals your...
  • ABOUT THE BRAND: For over 85 years, GNC has been the leading global health and wellness brand providing the best in performance inspired nutrition. We...
SaleBestseller No. 15
GNC Mega Men One Daily Multivitamin for Men, 60 Count, Take One A Day for 19 Vitamins and Minerals,...
  • ADVANCED HEALTH BLENDS: A once daily multivitamin with a specialized men’s health and mineral blend
  • 39 NUTRIENTS: Provides important vitamins and minerals essential for overall wellness
  • AMINO ACIDS & ELECTROLYTES: Specifically selected and included to support men’s health and goals
  • B VITAMINS: Support energy production and a healthy metabolism
  • Includes B Vitamins Support A Healthy Metabolism
Bestseller No. 16
GNC Immune Health Vitapak Program - 30 Vitapaks
  • GNC Immune Health Vitapak Program: With Clinically Studied Multivitamin Blend^ Features key immune support ingredients: Vitamin C, Zinc and...
  • Vitamin C: Protective antioxidant that provides immune support (800mg)*
  • Elderberry: 500mg of Elderberry complements Vitamin C & Echinacea’s immune health benefits*
  • Echinacea: Herbal ingredient to support the immune system (500mg)*
  • ^In a randomized, double blind, placebo-controlled study of 112 healthy volunteers, subjects taking the GNC vitamin and mineral blends for six weeks...
Bestseller No. 17
GNC Herbal Plus Energy Formula (100 Capsules)
  • Improve mental alertness, enhance physical performance and fuel metabolism* with GNC Herbal Plus Energy Formula
  • Formulated with a blend of traditional herbal ingredients to help you keep pace with your day, including Panax ginseng root extract, Rhodiola rosea...
  • A vegetarian supplement.
  • These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any...
  • Improves Mental Alertness, Enhances Physical Performance & Fuels Metabolism
Bestseller No. 18
GNC Men's Ultra NourishHair Supplement - 120 Caplets
  • GNC Men's Ultra NourishHair Supplement: Premium Formula For Men Supports the structural foundation of strong, healthy hair*
  • Gluten free, no sugar, no artificial flavors, no wheat, no corn
  • 60-day-supply
Bestseller No. 19
GNC Vitamin B-2 100mg, 100 Tablets, Metabolizes Fats, Carbohydrates and Proteins
  • ESSENTIAL NUTRIENT: Vitamin B2 works with several enzymes in the metabolism of fat, carbohydrates and proteins
  • CELL SERVICE: Plays a major role in the utilization of cell oxygen
  • ENERGY SUPPORT: Essential for metabolism and energy production
  • LASTING SUPPLY: 100-day supply of vegetarian tablets
  • No sugar, no starch, no artificial flavors, no artificial colors, no preservatives, sodium free, no wheat, gluten free, no corn, no soy, no dairy
Bestseller No. 20
GNC GNC Mega Men Multivitamin - Twin Pack
  • ABOUT THE PRODUCT: GNC Mega Men Multivitamins pack more antioxidant power than ever and over 30 clinically studied ingredients in every formula - all...
  • COMPREHENSIVE MEN’S MULTIVITAMIN: GNC Mega Men Multivitamin provides key nutrients for men’s health, antioxidants, brain health, heart health and...
  • CLINICALLY STUDIED BLEND: Contains a clinically studied multivitamin blend for men shown to work better than a basic multivitamin.(In a randomized,...
  • FORMULATION: Packed with key nutrients from 20 vitamins and minerals that provide 100% or more of recommended daily allowance (RDA), including Vitamin...
  • ABOUT THE BRAND: For over 85 years, GNC has been the leading the way in global health and wellness. GNC is committed to meeting the highest standards...

Having trouble finding a great gnc b12 supplements?

This problem is well understood by us because we have gone through the entire gnc b12 supplements research process ourselves, which is why we have put together a comprehensive list of the best gnc b12 supplementss available in the market today.

After hours of searching and using all the models on the market, we have found the best gnc b12 supplements for 2023. See our ranking below!

How Do You Buy The Best Gnc B12 Supplements?

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We understand, because we’ve already gone through the whole process of researching gnc b12 supplements, which is why we have assembled a comprehensive list of the greatest gnc b12 supplements available in the current market. We’ve also come up with a list of questions that you probably have yourself.

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Potential sources can include buying guides for gnc b12 supplements, rating websites, word-of-mouth testimonials, online forums, and product reviews. Thorough and mindful research is crucial to making sure you get your hands on the best-possible gnc b12 supplements. Make sure that you are only using trustworthy and credible websites and sources.

John Harvards provides an gnc b12 supplements buying guide, and the information is totally objective and authentic. We employ both AI and big data in proofreading the collected information.

How did we create this buying guide? We did it using a custom-created selection of algorithms that lets us manifest a top-10 list of the best available gnc b12 supplements currently available on the market.

This technology we use to assemble our list depends on a variety of factors, including but not limited to the following:

  1. Brand Value: Every brand of gnc b12 supplements has a value all its own. Most brands offer some sort of unique selling proposition that’s supposed to bring something different to the table than their competitors.
  2. Features: What bells and whistles matter for an gnc b12 supplements?
  3. Specifications: How powerful they are can be measured.
  4. Product Value: This simply is how much bang for the buck you get from your gnc b12 supplements.
  5. Customer Ratings: Number ratings grade gnc b12 supplements objectively.
  6. Customer Reviews: Closely related to ratings, these paragraphs give you first-hand and detailed information from real-world users about their gnc b12 supplements.
  7. Product Quality: You don’t always get what you pay for with an gnc b12 supplements, sometimes less, and sometimes more.
  8. Product Reliability: How sturdy and durable an gnc b12 supplements is should be an indication of how long it will work out for you.

John Harvards always remembers that maintaining gnc b12 supplements information to stay current is a top priority, which is why we are constantly updating our websites. Learn more about us using online sources.

If you think that anything we present here regarding gnc b12 supplements is irrelevant, incorrect, misleading, or erroneous, then please let us know promptly!

FAQ:

Q: How many different vitamin supplements are available at GNC?

A: The best vitamin brands are transparent about their testing and quality control. Here are 14 of these brands and the vitamins and supplements they offer.

Q: What is the best B12 to take?

A: Oral capsule or tablet Sublingual (dissolved under tongue) Chewable pill Nasal gel Injected intramuscularly by your health care practitioner

Q: Which vitamin B12 supplement is the best?

A: This B12 supplement comes as a soft gel capsule and currently has a 4.8-star overall rating on Amazon after more than 1,000 reviews. If you’d prefer taking B12 gummies,this is a highly rated option with more than 6,000 Amazon reviews. Why Not Natural Organic Vitamin B12 Liquid,2 Fl. …

Q: Is too much vitamin B12 a health hazard?

A: It is, however, important to note that too much B12 may cause issues in certain cases. In some people, high levels of B12 may cause gastrointestinal problems such as bloating and diarrhea. And if you have high blood pressure or poor cardiovascular health, having too much B12 may further complicate these issues.

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