10 Best Liquid B12 Vitamins 5000 Mcg of 2025

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

March 2026 Edition

Editor's Choice

9.7

Why Not Natural

Why Not Natural Organic Vitamin B12 Liquid - Sublingual Extra Strength 60 x 5000 mcg Methylcobalamin Drops, Vegan, Maximize Absorption and Energy

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Editor's bottom line:

“This liquid 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

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 Liquid Drops formulation is a natural energy, mood, and memory supplement - and supports healthy metabolism, immunity, and nervous system functioning.
HIGH POTENCY: While most B12 supplements contain 1000 mcg to 3000 mcg per serving, we give you the same number of servings per bottle at 5000 mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.
COMPARE OUR QUALITY: Compare your current B12 Supplement Facts label to our liquid vitamin B12, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops.
EASY FOR YOUR BODY TO USE: Features methylcobalamin, the bioactive form of B12 thats more readily absorbed by the body. Contains no synthetic cyanocobalamin!
GRADUATED DROPPER FOR EASY DOSING: The graduated/printed dropper allows you to quickly and easily measure 2500 mcg, 5000 mcg, or another amount of B12 thats right for you. No more guessing or counting drops! Save time in the morning, and always get an accurate serving size!

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Picked by 397 people today

9.5

Global Healing Center

Global Healing Center - Vitamin B12 Sublingual 5000 MCG Organic Liquid Supplement, Methylcobalamin, Adenosylcobalamin, Hydroxo Long-Lasting Energy and Healthy Metabolism - Vegan B12 Vitamins (1 Oz)

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Main Highlights

Potent B12 Ingredients - Our B-12 sublingual vitamins have the most pure, active, bioavailable coenzyme combination available. With low B12 levels being common, we've included 5,000 mcg in each serving for your body to absorb.
Energy & Metabolism Support - B 12 vitamin is a great-tasting liquid formula that supports efficient energy & metabolism production and normal nervous system function. Get the most out of your food by combatting deficiency and fatigue.
Cardiovascular - Our bodies may have high levels of stressors that can have some impact on our cardiovascular system, which can lead to less circulation. B12 vitamins are essential for men and women - vitamina b12 para mujer y hombre.
Certified Organic - Our methylated B12 formula is free of gluten, soy, dairy, GMOs, nuts, sugar, artificial flavors, synthetic dyes, & toxic fillers. We offer nutritional coverage for the physical & mental vigor you need.
Manufactured In The USA - Our Vitamin b12 5000 mcg is manufactured in our state-of-the-art cGMP certified facility in Phoenix, Arizona.

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9.5

NUSAVA

(2 Pack) Vitamin B12 and B6 Liquid Drops, B12 Sublingual Vitamin B Complex - B 12 Vitamin 5000mcg - B12 Methylcobalamin for Energy, Brain, and Heart Support with 27,200 mcg, Raspberry, 80 Servings

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Main Highlights

B12 Drops Formulated for Maximum Potency - Our Liquid Vitamin B12 Drops contain Vit B12 5000mcg, B6, B1, Niacin, and Folic Acid, supporting overall body functions with 100% or more Daily Value.
Tons of Benefits - Experience the synergy of brain support, digestive balance, energy metabolism, heart wellness, and immune support in each drop of our Vitamin B complex liquid sublingual formula.
Rapid Sublingual Absorption - Our Liquid B12 Drops are designed for efficient sublingual absorption. Just place the drops under your tongue for 30secs and swallow the remaining liquid. Quick and easy!
Carefully Curated Organic Vitamin B12 Liquid - Our Vitamin B12 Methylcobalamin B6 B1 Drops contain No Fillers, are Vegan, Non-GMO, Gluten-Free, and proudly USA-made with Global Ingredients.
Ultimate 5-in-1 Vitamin B12 Complex - Not all liquid supplements are made equal. Our B-12 Vitamin drops are packed with nutritional benefits. Each has 27,200 mcg. If youre unhappy with your purchase, do reach out to us.

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9.2

NUTRAHARMONY

USDA Organic Vitamin B12 Sublingual Drops - 5000 mcg Liquid Vegan Methylcobalamin for Women & Men - Energy Boost, Focus & Mood, Brain Health Support - Maximize Absorption - 2 Month Supply, 2 fl oz

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Main Highlights

Liquid Vitamin B12 Drops a pledge of your vivacity and energy! B12 5000mcg unbeatable & tasty support for your health goals! Formulated to support optimal levels of the vitamin to the body through fast absorption. B12 drops support mood, maintain brain health, and increase energy production.
Focus, Mood & Energy - B12 drops for men & women are crafted to enhance mood and energy, helping you stay sharp and focused. Boost your overall health and well-being with our B12 vitamins.
Brain Support Stay smart & healthy. B12 liquid vitamin drops - unbeatable support for your health goals. Unleash the power of 5000 mcg of liquid B12 drops! Red & tasty vitamins with berry mix flavor support cognitive functions and memory at a high level, as well as maintain brain energy & functioning.
Advanced Formula GMO & sugar-free, and completely fabulous vegan vitamin B12! Vitamin B12 drops are manufactured in the USA using advanced technology to ensure the finest quality! That's why every drop of vitamin B12 liquid supplements is safe, effective, and meets industry standards.
Made with Care & Love At NUTRAHARMONY, we desire to provide you with quality and outstanding service. If, for any reason, you are not happy with vitamin B12 liquid, just let us know! Drop a message to our support team to share your outstanding experience with B12 liquid vitamins! And remember, we care for your well-being!

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9.0

Nature's Bounty

Nature's Bounty Vitamin B12 5000 mcg Sublingual Liquid,Cardiovascular Health & Cellular Energy Support,2 Fl Oz,(Pack of 3)

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Main Highlights

The information below is per-pack only
CELLULAR ENERGY SUPPORT (1) Natures Bounty Vitamin B-12 Sublingual Liquid plays an important role in energy metabolism (1); it helps the body convert food into cellular energy your body needs (1)
SUPPORTS HEART HEALTH (1) Natures Bounty Vitamin B-12 is commonly used to support the health of the cardiovascular and circulatory systems (1); Vitamin B-12 is also an important vitamin for maintaining healthy nerve cells (1)
EASY-TO-TAKE LIQUID Natures Bounty Vitamin B-12 Sublingual Liquid makes it easy to get your daily dose of this essential nutrient; Simply place 1 mL daily under the tongue and hold there for 30 seconds before swallowing; Youll love the delicious, natural berry flavor
QUALITY IS OUR PRIORITY Natures Bounty is committed to the safety of all of our supplements; Our Vitamin B-12 liquid is gluten free; sugar free; contains no artificial colors or flavors; and is suitable for vegetarians
FROM THE TRUSTED WELLNESS EXPERTS Natures Bounty Vitamin B-12 Sublingual Liquid is a product of nearly 50 years of dedication to quality; consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence

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8.8

Horbäach

Horbaach B12 Vitamin 5000 mcg Sublingual | 4 Fl Oz | as Methylcobalamin and Cyanocobalamin | Liquid Vegetarian Drops | Berry Flavor | Non-GMO & Gluten Free Supplement

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Main Highlights

B-12 5000: Enjoy the benefits of this B-Complex Vitamin in delicious Berry Flavor!
FAST ACTING SUBLINGUAL: Delivers 5,000 mcg of Vitamin B-12 per serving in convenient liquid dropper
EXPERTLY CRAFTED: Our professional formula is backed by our commitment to purity and potency
HORBAACH MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, & Non-GMO

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8.6

Nature's Bounty

Nature's Bounty B-12 5000 mcg Sublingual Liquid Energy Health 2 oz (Pack of 2)

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Main Highlights

FOR ENERGY 2 Fl oz., Vitamin B-12 Sublingual Liquid for adults. Natures Bounty Vitamin B-12 liquid plays an important role in energy metabolism in the body.(1) It helps the body convert food into the fuel which is used to produce cellular energy in the body.
FOR YOUR HEART Natures Bounty Vitamin B-12 is a commonly used to support the health of the cardiovascular and circulatory systems. At the same time, B-12 is an important vitamin for maintaining healthy nerve cells.
EASY-TO-TAKE LIQUID Trouble swallowing tablets and capsules? Natures Bounty sublingual liquid features a delicious berry flavor that makes getting a sufficient amount of this important nutrient easy and delicious.
PURITY IS OUR PRIORITY Natures Bounty is committed to safety and purity in all our supplements. Our Vitamin B-12 liquid is suitable for vegetarians. Its gluten- and sugar-free, and contains no artificial colors or flavors
FROM THE TRUSTED WELLNESS EXPERTS Natures Bounty Vitamin B-12 sublingual liquid is a product of nearly 50 years of dedication to quality, consistency and scientific research to make vitamins and nutritional supplements of unrivaled excellence.

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8.3

VITBOOST

VITBOOST Vegan Liquid B-12 Drops – 60 x 5000 mcg Extra Strength Raspberry Flavored Vitamin B12 Liquid Methylcobalamin sublingual Supplement | Designed to Maximize Absorption & Energy | Gluten Free

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Main Highlights

BOOST ENERGY LEVEL with VitBoost Vegan Liquid B-12: Vitamin B12 promotes energy production by supporting the adrenal glands, red blood cell formation, and converting carbohydrates to glucose.Vitamin B12 liquid supplement and vegan b12 supplement is the fuel your body uses for energy. If you are constantly tired, this may be in result of not getting enough Vitamin B12. Stay alert and energized throughout the day by boosting your energy levels with B12.
FLAVORFUL B-12 / NO MORE INJECTIONS: This Raspberry Flavored B-12 Liquid Methyl cobalamin is an easy-to-take and delicious liquid formula that is taken by the mouth. VitBoost Vegan Liquid B-12 Methylcobalamin sublingual liquid is absorbed by the blood vessels in the mouth; which is often better for anyone who may have trouble absorbing this vitamin from the stomach. Its liquid form makes it highly absorbable and ultra-potent.
MORE POSITIVE ATTRIBUTES with methylcobalamin b12 sublingual liquid drops: Methyl cobalamin or methylated B-12 is the most pure, active, bioavailable coenzyme form of B-12. Raspberry flavored vitamin B12 and vitamin b12 methylcobalamin helps your mind and body get extra energy, improves concentration, mental clarity, and cognitive function. Without adequate amounts of B12, our bodys ability to perform deteriorates.
SAFE & HIGH QUALITY PRODUCT - Our fast-absorbing vitamin b12 liquid supplement has Non-GMO ingredients Allergen Free & Gluten Free Free of Soy, Gluten, Milk, Egg, Wheat, GMOs, Peanuts and Shellfish . Made in USA. Accredited Third Party Tested & Formulated by Professionals - Manufactured in a cGMP facility NSF (NSF International has tested and certified dietary supplement product to meet specific safety and quality requirements.) No fillers or binders
OTHER USES: B12 supplements helps speed up metabolism & are great immunity booster for better HEALTH & HAPPINESS. It boosts Energy Levels, Improves Mood. Good for Healthy Hair, Skin & Nails

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8.1

Pure Encapsulations

Pure Encapsulations B12 5,000 Liquid - Vitamin B12 Methylcobalamin Supplement to Support Energy, Nerve Health, Cognitive Function & Blood Cells* - Liquid Drops - 1 Fl Oz

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Main Highlights

Liquid B12 Drops: Vitamin B12 (methylcobalamin) helps support nerve cell health and cognitive function*; great-tasting liquid formula
Liquid Vitamin B: Vitamin B12 can also play an important role in contributing to energy production and maintaining a healthy immune system*
Vit B12 for Immune Support: Vitamin B12 also plays a role in immune system health and homocysteine metabolism*
Vitamin B Supplements: This liquid vitamin B12 supports overall well-being and supports red blood cell production
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

Carlyle

Carlyle Vitamin B12 Sublingual Liquid Drops | 10,000mcg | 2 fl oz | Vegetarian, Non-GMO, Gluten Free

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Main Highlights

LIQUID B-12: The perfect routine is drops away with delicious berry flavored B12 liquid!
SUBLINGUAL FORMULA: Supplies 10,000 mcg per serving of Vitamin B12 in just 2 mL
ROOTED IN WELLNESS: Carlyle provides premium, honest supplements in your pursuit to healthy living
CARLYLE MANUFACTURERS: Laboratory Tested, Trusted Ingredients, Superior Quality, 100% Guaranteed!
NATURALLY FREE OF: Gluten, Wheat, Yeast, Milk, Lactose, Artificial Color & Non-GMO

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Our Best Overall Choice

Best Choice

9.7

Why Not Natural

Why Not Natural Organic Vitamin B12 Liquid - Sublingual Extra Strength 60 x 5000 mcg Methylcobalamin Drops, Vegan, Maximize Absorption and Energy

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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

FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 Liquid Drops formulation is a natural energy, mood, and memory supplement - and supports healthy metabolism, immunity, and nervous system functioning.
HIGH POTENCY: While most B12 supplements contain 1000 mcg to 3000 mcg per serving, we give you the same number of servings per bottle at 5000 mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.
COMPARE OUR QUALITY: Compare your current B12 Supplement Facts label to our liquid vitamin B12, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops.
EASY FOR YOUR BODY TO USE: Features methylcobalamin, the bioactive form of B12 thats more readily absorbed by the body. Contains no synthetic cyanocobalamin!
GRADUATED DROPPER FOR EASY DOSING: The graduated/printed dropper allows you to quickly and easily measure 2500 mcg, 5000 mcg, or another amount of B12 thats right for you. No more guessing or counting drops! Save time in the morning, and always get an accurate serving size!

Show Price

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