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10 Best Now B12 Vitamins 5000 Mcg of 2025

Tested and Reviewed: Top 10 Now B12 Vitamins 5000 Mcg deals with expert ratings from 8.1 to a perfect 10

March 2026 Edition

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1

Editor's Choice

9.7

NOW Supplements, Vitamin B-12 5,000 mcg, With Folic Acid, Nervous System Health*, 60 Lozenges

NOW Foods

NOW Supplements, Vitamin B-12 5,000 mcg, With Folic Acid, Nervous System Health*, 60 Lozenges

Editor's bottom line:

“This now b12 vitamins 5000 mcg is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

ESSENTIAL FOR ENERGY PRODUCTION*: Vitamin B-12 (cyanocobalamin) is a water soluble vitamin necessary for the maintenance of a healthy nervous system and for the production of energy from fats and proteins*
WITH FOLIC ACID: While B-12 is stored in the liver, dietary sources are of animal origin only (meat and dairy). Therefore, supplementation with B-12 may be especially important for strict vegetarians
CERTIFICATIONS/CLASSIFICATIONS: Kosher, Vegan
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

Picked by 397 people today

2

9.5

NOW Foods Supplements, Methyl B-12 (Methylcobalamin) 5,000 mcg, Nervous System Health*, 120 Lozenges

NOW Foods

NOW Foods Supplements, Methyl B-12 (Methylcobalamin) 5,000 mcg, Nervous System Health*, 120 Lozenges

Main Highlights

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*
METHYLCOBALAMIN PLUS FOLIC ACID: Methyl B-12 is vegetarian/vegan (non-animal derived)
CERTIFICATIONS/CLASSIFICATIONS: Kosher, Soy Free, Vegan
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

3

9.5

NOW Foods Supplements, Methyl B-12 5000mcg,Methylcobalamin, Hypoallergenic, 90 Veg Capsules

NOW Foods

NOW Foods Supplements, Methyl B-12 5000mcg,Methylcobalamin, Hypoallergenic, 90 Veg Capsules

Main Highlights

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*
METHYLCOBALAMIN: The co-enzyme form of vitamin B-12 that has been found to be especially critical in the maintenance of a healthy nervous system*
HYPOALLERGENIC: Dietary sources are almost exclusively of animal origin (meat and dairy) and supplementation with B-12 may be especially important for strict vegetarians
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

4

9.2

NOW Foods Supplements, Methyl B-12 (Methylcobalamin) 5,000 mcg, Nervous System Health*, 60 Lozenges

NOW Foods

NOW Foods Supplements, Methyl B-12 (Methylcobalamin) 5,000 mcg, Nervous System Health*, 60 Lozenges

Main Highlights

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*
METHYLCOBALAMIN PLUS FOLIC ACID: Methyl B-12 is vegetarian/vegan (non-animal derived)
CERTIFICATIONS/CLASSIFICATIONS: Kosher, Soy Free, Vegan
GMP Quality Assured: NPA A-rated GMP certification means that every aspect of the NOW manufacturing process has been examined, including our laboratory/testing methods (for stability, potency, and product formulation)
Packaged in the USA by a family owned and operated company since 1968

5

9.0

NOW B-12 5,000 mcg,60 Lozenges

NOW Foods

NOW B-12 5,000 mcg,60 Lozenges

Main Highlights

Bathing, showering, sports and strenuous physical activities do not interfere with Lavilin's effectiveness

6

8.8

NOW Foods - Ultra B-12 Liquid Cellular Energy Boost 5000 mcg. - 16 oz. (2-Pack)

NOW Foods

NOW Foods - Ultra B-12 Liquid Cellular Energy Boost 5000 mcg. - 16 oz. (2-Pack)

Main Highlights

7

8.6

NOW Foods Supplements, Ultra B-12, Liquid, 800 mcg Folic Acid, Cellular Energy Production*, 16-Ounce

NOW Foods

NOW Foods Supplements, Ultra B-12, Liquid, 800 mcg Folic Acid, Cellular Energy Production*, 16-Ounce

Main Highlights

Appropriate for vegetarians/vegans (non-animal derived), who are at higher risk of developing vitamin B-12 deficiency
This complete liquid B-complex delivers 5,000 mcg of B-12 and 800 mcg folic acid per teaspoon
Pleasant tasting with three forms of B-12 for maximum utlization
In the morning, take 1 teaspoon, hold in mouth for 30 seconds, then swallow and take with a meal
Packaged in the USA by a family owned and operated company since 1968

8

8.3

Methyl B-12 5000 mcg - 60 Lozenges by Now

NOW Foods

Methyl B-12 5000 mcg - 60 Lozenges by Now

Main Highlights

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.*
Methylcobalamin Plus Folic Acid: Methyl B-12 Is Vegetarian/Vegan (Non-Animal Derived).

9

8.1

Nature Made Maximum Strength Vitamin B12 5000 mcg, Dietary Supplement for Energy Metabolism Support, 60 Softgels, 60 Day Supply

Nature Made

Nature Made Maximum Strength Vitamin B12 5000 mcg, Dietary Supplement for Energy Metabolism Support, 60 Softgels, 60 Day Supply

Main Highlights

Energy metabolism support supplement(1): contains one 60 count bottle of Nature Made Maximum Strength Vitamin B 12 5000 mcg Softgels for a 60-day supply
Vitamin B12 supplements help break down food into energy that your body can use all day long
Nature Made B12 Vitamins 5000 mcg helps support brain cell function and mood health(3)
Vitamin B12 is important for proper red blood cell formation and helps reduce fatigue for those low in B12 vitamins
Adults, take one Vitamin B-12 softgel daily with water and a meal
Made with high quality ingredients, these gluten free B12 Vitamins for women and men have no color added, no artificial flavors, and no preservatives
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

10

8.1

NOW Foods Methyl B12 - Methylcobalamin Plus Folic Acid - 5,000 MCG (120 Lozenges)

NOW Foods

NOW Foods Methyl B12 - Methylcobalamin Plus Folic Acid - 5,000 MCG (120 Lozenges)

Main Highlights

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.*
Methylcobalamin Plus Folic Acid: Methyl B-12 Is Vegetarian/Vegan (Non-Animal Derived).

Our Best Overall Choice

9.7

NOW Supplements, Vitamin B-12 5,000 mcg, With Folic Acid, Nervous System Health*, 60 Lozenges

NOW Foods

NOW Supplements, Vitamin B-12 5,000 mcg, With Folic Acid, Nervous System Health*, 60 Lozenges

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

ESSENTIAL FOR ENERGY PRODUCTION*: Vitamin B-12 (cyanocobalamin) is a water soluble vitamin necessary for the maintenance of a healthy nervous system and for the production of energy from fats and proteins*
WITH FOLIC ACID: While B-12 is stored in the liver, dietary sources are of animal origin only (meat and dairy). Therefore, supplementation with B-12 may be especially important for strict vegetarians
CERTIFICATIONS/CLASSIFICATIONS: Kosher, Vegan
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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NOW Supplements, Vitamin B-12 5,000 mcg, With Folic Acid, Nervous System Health*, 60 Lozenges

Special Amazon deal ends in: