10 Best Sublingual Liquid Vitamin B 12 Complex Supplement With B12 of 2025

Tested and Reviewed: Top 10 Sublingual Liquid Vitamin B 12 Complex Supplement With B12 deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

Save 43%

Nature's Bounty

Nature's Bounty Vitamin B12 5000 Mcg Sublingual Liquid, Cardiovascular Health & Cellular Energy Support, 2 Fl Oz (1 Count)

43% OffFree Shipping

Editor's bottom line:

“This sublingual liquid vitamin b 12 complex supplement with b12 is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

CELLULAR ENERGY SUPPORT (1) Nature's 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) Nature's 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 Nature's 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; You'll love the delicious, natural berry flavor
QUALITY IS OUR PRIORITY Nature's 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 Nature's 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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Picked by 212 people today

9.5

Save 26%

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

26% OffFree Shipping

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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9.5

Save 15%

Piping Rock

Piping Rock Vitamin B Complex Liquid Drops | 2 Fl Oz | for Women and Men | Plus B12 | Sublingual Tincture Supplement | Berry Flavor | Vegetarian, Non-GMO, Gluten Free

15% OffFree Shipping

Main Highlights

High Potency Formula
Essential Vitamins
Includes Calibrated Dropper
Delicious Berry Flavor
Laboratory Tested, using Trusted Ingredients

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9.2

Nature's Bounty

Nature's Bounty B Complex with B12 Sublingual Liquid Fast Acting Dietary Supplement, Unflavored, Gluten Free, 2 Fl Oz

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Main Highlights

PROVIDES: An excellent source to help safeguard a sufficient daily intake of B-Complex vitamins
MADE: Up of vitamins that work together to perform various functions in the body
ESSENTIAL: B-Complex vitamins, for the maintenance of a healthy nervous system
OFFERS: Distinct advantage over conventional nutritional supplements; Easy-to-use liquid form
PROMOTES: Nervous system health and support energy metabolism

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9.0

Tooffi

Vitamin B12 Liquid Drops - Organic Vitamin B12 Sublingual Drops - Organic Vitamin B-Complex B5 Pantothenic Acid - Vegan B12 Sublingual 5000 mcg with Vitamin B6, Liquid B12 Methylcobalamin Supports

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Main Highlights

ENERGY SUPPLEMENT: - Our Liquid Vitamin B12 Drops contain Vitamin B12 5000mcg, B6, B1, Niacin, and Folic Acid to support the body's overall functioning and improve brain health at or above 100% of the Daily Value.
NATURAL INGREDIENTS - Our Organic Vitamin Vitamin B12 Methylcobalamin, B6 B1 Drops contain 5,000 micrograms of Vitamin B12 per bottle per dropper, no fillers, and are vegan, non-GMO, and gluten-free.
FAST ENERGY - Our liquid vitamin B12 drops are designed for efficient absorption with sublingual absorption for the fastest possible absorption. Simply place the drops under your tongue for 30 seconds and swallow the liquid!
IMMUNE SUPPORT - Our Methylcobalamin B12 formula helps you maintain levels of vitamin B12, which is biologically active, to experience the synergistic effects of brain support, digestive balance, energy metabolism, heart health and immune support.
5 IN 1 VITAMIN B12 COMPLEX: Our unique vitamin B-12 drops are packed with nutrients, 5000 mcg sublingual solution helps you maintain your vitamin B12 levels, and just a few drops of Methyl B12 Liquid Drops are all you need!

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8.8

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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8.6

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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8.3

Live Conscious

Vegan Vitamin B12 Sublingual Liquid Drops by Live Conscious- Methylcobalamin Max Strength B12 5000mcg Formula - Vegan B 12 Vitamin Support Energy, Promote Memory & Aid Immune System - 60 Serving

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Main Highlights

Naturally-Derived Energy Support: Since Live Conscious Vegan B12 helps convert carbohydrates into glucose, it can lead to greater cellular energy production.*
Energy: As B12 helps your body feel more energetic, its a holistic way to support your body.*
Methylcobalamin B12 | 5000 Mcg Vegan Formula: By using an under the tongue dropper, Live Conscious Vegan B12 is extremely fast to absorb.*
Immune Health: Vitamin B12 promotes the production of white blood cells, which is crucial when it comes to immune system support and protection.*
Earth-Friendly Formula: Live Conscious Vegan B12 is lactose-free, gluten-free, soy-free, non-GMO, and made in the U.S. from globally sourced ingredients. Expiration date is located at the bottom of the bottle.

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8.1

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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8.1

NaturalSlim

NaturalSlim Metab-12 - Liquid Vitamin B12 Sublingual Supplement 2500 mcg with Vitamin D3 Oral Drops - Methylcobalamin B12 for Metabolism & Energy Booster - Berry Flavor Gluten Free - 1 fl oz

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Main Highlights

Natural Energy Supplement: B12 drops are unique vitamins that support the immune system, digestive health, brain function, hair, skin, nails, DNA synthesis, red blood cell production, and metabolism. They provide energy and help reduce feelings of tiredness.
B12 Vitamins: Metab-12 is a liquid vitamin B12 methylcobalamin supplement, containing the purest, most active, and bioavailable form of B12. It is water-soluble, meaning any excess is excreted through urine.
D3 Vitamin: Metab-12, a vitamin D and B12 supplement, offers numerous benefits. Vitamin D3 (cholecalciferol) is an excellent source of vitamin D, aiding in calcium absorption and providing several other health benefits
Easy-to-Use & Quick Absorbing: These B12 liquid vitamin drops are easy to swallow and dissolve under the tongue, making them beneficial for those who struggle with stomach absorption of vitamins due to their absorption through blood vessels.
Recommended Use: Shake gently before use. Administer one full dropper (1 ml) or two half-droppers under the tongue, holding for 20 seconds before swallowing. Use once daily or as directed by your healthcare provider.

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Our Best Overall Choice

Best Choice

9.7

Nature's Bounty

Nature's Bounty Vitamin B12 5000 Mcg Sublingual Liquid, Cardiovascular Health & Cellular Energy Support, 2 Fl Oz (1 Count)

43% OffFree Shipping

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

CELLULAR ENERGY SUPPORT (1) Nature's 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) Nature's 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 Nature's 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; You'll love the delicious, natural berry flavor
QUALITY IS OUR PRIORITY Nature's 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 Nature's 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

Show Price

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