10 Best Vitamin B12 1000 Mcg Third Party Tested of 2025

Tested and Reviewed: Top 10 Vitamin B12 1000 Mcg Third Party Tested deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

Editor's Choice

9.7

Superior Source

Superior Source No Shot Methylcobalamin B-12 1,000 mcg - Vitamin B-12 to Support Energy Production, Brain Health & Overall Wellness - Sublingual Tablets for Rapid Absorption - 60 Dissolving Tablets

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Editor's bottom line:

“This vitamin b12 1000 mcg third party tested is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Trusted Quality: Each ingredient in our Superior Source B-12 Supplement undergoes rigorous third party testing for potency and purity prior to being released from our GMP certified facility

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Picked by 397 people today

9.5

Vitamatic

Vitamatic Vitamin B12 1000 mcg Fast Dissolve – 365 Tablets – Natural Berry Flavor – Supports Energy Metabolism & Nervous System Health

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Main Highlights

Fast Dissolve B12 - Natural Berry Flavor
Supports Production of Energy, Red Blood Cells - Healthy Nervous System - Promotes Cardiovascular Health
Non-GMO formula - Gluten Free
Free of Starch, Sodium, Soy, Yeast, Corn, Wheat, Egg, Artificial Color, Flavor & Preservatives.
Made in a the USA GMP Compliant, FDA Registered Facility

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9.5

NatureWise

NatureWise Vitamin B12 1000 mcg - Dietary Supplement for Supporting Energy Metabolism, Mental Clarity, Nervous System Health - Easy-to-Swallow, Soy & Gluten-Free, Non-GMO - 150 Count[150-Day Supply]

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Main Highlights

ENERGY METABOLISM SUPPORT: Every easy-to-swallow softgel delivers 1000 mcg of Vitamin B12 to support the production of cellular energy and help convert food into energy.*
CARDIOVASCULAR HEALTH: Vitamin B12 is important for cardiovascular health, function, and balance in homocysteine levels.*
BRAIN & NERVE HEALTH SUPPORT: Vitamin B12 may support your cognitive function due to its important role in the nervous system. B12 contributes to the body's production of neurotransmitters, which affect clarity, mood, and memory.*
SUPERIOR FORMULATION WITH HALAL GELATIN: NatureWise Vitamin B12 softgels have no artificial colors, synthetic dyes, flavors, or GMOs, and they are made with halal gelatin. They are free of gluten, wheat, soy, dairy, eggs, peanuts, tree nuts, fish, or shellfish.
NSF-CONTENTS CERTIFIED, 3rd PARTY TESTED, QUALITY ASSURED: NatureWise Vitamin B12 1000 mcg softgels are 3rd party tested and NSF-Contents Certified for purity and efficacy and manufactured in the USA with high-quality ingredients from around the world in a cGMP-certified facility.

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9.2

NatureWise

NatureWise Vitamin B12 1000 mcg - Dietary Supplement for Supporting Energy Metabolism, Mental Clarity, Nervous System Health - Easy-to-Swallow, Soy & Gluten-Free, Non-GMO - 60 Softgels[60-Day Supply]

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Main Highlights

ENERGY METABOLISM SUPPORT: Every easy-to-swallow softgel delivers 1000 mcg of Vitamin B12 to support the production of cellular energy and help convert food into energy.*
CARDIOVASCULAR HEALTH: Vitamin B12 is important for cardiovascular health, function, and balance in homocysteine levels.*
BRAIN & NERVE HEALTH SUPPORT: Vitamin B12 may support your cognitive function due to its important role in the nervous system. B12 contributes to the body's production of neurotransmitters, which affect clarity, mood, and memory.*
SUPERIOR FORMULATION WITH HALAL GELATIN: NatureWise Vitamin B12 softgels have no artificial colors, synthetic dyes, flavors, or GMOs, and they are made with halal gelatin. They are free of gluten, wheat, soy, dairy, eggs, peanuts, tree nuts, fish, or shellfish.
NSF-CONTENTS CERTIFIED, 3rd PARTY TESTED, QUALITY ASSURED: NatureWise Vitamin B12 1000 mcg softgels are 3rd party tested and NSF-Contents Certified for purity and efficacy and manufactured in the USA with high-quality ingredients from around the world in a cGMP-certified facility.

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9.0

Nature Made

Nature Made Vitamin B12 1000 mcg, B12 Vitamins, Dietary Supplement for Energy Metabolism Support, 160 Time Release Tablets, 160 Day Supply

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Main Highlights

Energy metabolism support supplement(1): contains one 160 count bottle of Nature Made B12 1000mcg Time Release Tablets for a 160-day supply
Nature Made B12 1000 mcg dietary supplements provide B12 to help break down food into energy that your body can use all day long
B-12 vitamin helps support brain cell function and mood health (2)
Vitamin B12 is important for proper red blood cell formation and helps reduce fatigue for those low in vitamin B-12
Time release formula extends vitamin absorption by the body; Adults take one Nature Made B12 timed release tablet daily with water and a meal
Made with high quality ingredients, these NatureMade B12 1000 mcg tablets have no color added, no artificial flavors and no preservatives
#1 Pharmacist Recommended Vitamin & Supplement Brand*
These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

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8.8

Dr. Berg Nutritionals

Dr. Berg Natural Vitamin B12 1000 mcg with B Complex Blend - Methylcobalamin B12 for Energy, Nerve Health, and Cognitive Function* - Methylated B12 with Folate - 60 Capsules (2-Month Supply)

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Main Highlights

Natural, Non-Synthetic Methyl B12: Delivers 1000 mcg of a natural, non-synthetic vitamin B12 methylcobalamin in each daily serving.
B Complex Blend: This potent formula includes B12 vitamins 1000 mcg, thiamin, riboflavin, niacin, vitamin B6, folate, biotin, pantothenic acid, and 20 mg of high-quality magnesium.
Optimized Nutrition: This powerful formula supports cognitive function, enhances energy metabolism, supports healthy red blood cell production, and promotes nervous system health*
2-Month Supply: With 60 high-quality vegetable capsules and a suggested use of just 1 capsule per day, enjoy 60 days of our comprehensive B 12 vitamin 1000 mcg.
Try for 30 Days: If you are unhappy with this product, reach out to us within 30 days of your purchase date and we will take care of you.

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8.6

Nature Made

Nature Made Vitamin B12 1000 mcg, Dietary Supplement for Energy Metabolism Support, B12 Vitamins 1000 mcg, 150 Softgels, 150 Day Supply

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Main Highlights

Energy metabolism support supplement(1): contains one 150 count bottle of Nature Made Vitamin B12 1000 mcg Softgels for a 150 day supply
These Nature Made B12 1000mcg softgels help break down food into energy that your body can use all day long
Vitamin B 12 helps support brain cell function and mood health (2)
Vitamin B12 is important for proper red blood cell formation and helps reduce fatigue for those low in B12 vitamins
Adults take one B 12 vitamin softgel daily with water and a meal
This gluten free Vitamin B12 supplement has no synthetic dyes and no artificial flavors
United States Pharmacopeia (USP) Verified, #1 Pharmacist Recommended Vitamin and Supplement Brand*
These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

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8.3

Nature Made

Nature Made Vitamin B12 1000 mcg, Easy to Take Vitamin B12 Sublingual Tablets for Energy Metabolism Support, 150 Sugar Free Fast Dissolve Tablets, 150 Day Supply

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Main Highlights

Energy metabolism support supplement(1): contains one 150 count bottle of Nature Made Sublingual B12 1000 mcg Fast Dissolve Tablets for a 150-day supply
Nature Made B12 1000mcg tablets help break down food into energy that your body can use all day long
B-12 vitamin helps support brain cell function and mood health(2)
Vitamin B12 supplements provide B12, which is important for proper red blood cell formation and helps reduce fatigue for those low in B12 vitamins
Easy to take with a great tasting flavor; simply dissolve one B12 1000 mcg sublingual tablet under tongue before swallowing. Adults take one Vitamin B12 tablet daily with a meal
Made in the USA with quality global ingredients, these B12 vitamins sublingual fast dissolve tablets are sugar free and have no color added
United States Pharmacopeia (USP) Verified, #1 Pharmacist Recommended Vitamin & Supplement Brand*
These statements have not been evaluated by the Food and Drug Administration; this product is not intended to diagnose, treat, cure, or prevent any disease

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8.1

Pure Encapsulations

Pure Encapsulations Methylcobalamin 1,000 mcg - Vitamin B12 Supplement to Support Memory & Nerve Health - Premium Vitamin B12 Capsules - 180 Capsules

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Main Highlights

Advanced Methylcobalamin B12: High-quality vitamin B12 capsules support nerve health and energy metabolism*
Energy Supplement: Pure Encapsulations B12 capsules support energy production and metabolism with brain support*
Nervous System Supplements: Our B12 capsules are a nervous system supplement to support neurological health
Vitamin Supplement: Our vitamin B12 methylcobalamin supports memory, plus energy and fitness
Pure Difference: What we leave out matters, too; Pure Encapsulations products are free from common allergens, artificial or unnecessary ingredients, and GMOs

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8.1

NOW Foods

NOW Supplements, Methyl B-12 (Methylcobalamin) 1,000 mcg, Nervous System Health*, 100 Lozenges

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Main Highlights

NERVOUS SYSTEM HEALTH*/1,000 mcg VEGAN LOZENGES: Methylcobalamin is the co-enzyme form of vitamin B-12 that has been found to be especially critical in the maintenance of a healthy nervous system*
METHYLCOBALAMIN/ESSENTIAL FOR ENERGY PRODUCTION*: Vitamin B-12 is necessary for the production of energy from fats and proteins and is well known for its critical role in DNA synthesis, as well as in homocysteine metabolism*
CERTIFICATIONS/CLASSIFICATIONS: Vegan/Vegetarian, Soy Free, Kosher, Nut Free, Made without Gluten, Dairy Free, Egg Free
GMP Quality Assured: A-rated, third-party certification means that every aspect of the NOW manufacturing process has been examined. Our in-house laboratories are ISO/IEC accredited for laboratory testing including for stability, potency and product formulation.
Packaged in the USA by a family owned and operated company since 1968

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Our Best Overall Choice

Best Choice

9.7

Superior Source

Superior Source No Shot Methylcobalamin B-12 1,000 mcg - Vitamin B-12 to Support Energy Production, Brain Health & Overall Wellness - Sublingual Tablets for Rapid Absorption - 60 Dissolving Tablets

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Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

Trusted Quality: Each ingredient in our Superior Source B-12 Supplement undergoes rigorous third party testing for potency and purity prior to being released from our GMP certified facility

Show Price

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