Top 10 Best Liquid Vitamin B12 Supplements Buying Guide & Reviews

There are many different liquid vitamin B12 supplements on the market. Some of the best liquid vitamin B12 supplements include those that are derived from natural sources, such as plants or animals. These supplements typically provide all of the essential nutrients required for optimal health.

A Shortlist Of The Best Liquid Vitamin B12 Supplements

If you don’t have enough time, check out this shortlist of the best liquid vitamin b12 supplements and choose the one you like the most.

10 Best Liquid Vitamin B12 Supplements People Love In 2022: In Depth Features

Bestseller No. 1
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
  • ✔️ 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 body’s 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, Shellfish, and Sugar. 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: Indicated for B12 deficiency, Pernicious anemia, Cyanide poisoning, Hyperhomocysteinemia (high level of homocysteine in the blood), Age-Related Macular Degeneration (AMD), Nerve damage from shingles. B12 supplements also speed up metabolism & great immunity booster for better HEALTH & HAPPINESS. It boosts Energy Levels, Improves Mood, Reduces Depression, Helps Metabolize Proteins around the body. Good for Brain Health, Digestive System, Healthy Hair, Skin & Nails
SaleBestseller No. 2
Nature’s Bounty Vitamin B12 5000 Mcg Sublingual Liquid, Cardiovascular Health & Cellular Energy Support, 2 Fl Oz (1 Count)
  • 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
SaleBestseller No. 3
Organic Vitamin B12 Liquid - Sublingual Extra Strength 60 x 5000 mcg Drops, Methylcobalamin, Natural Cherry Flavor, Vegan, Maximize Absorption and Energy
  • FEEL BETTER, NATURALLY: Our sublingual organic Vitamin B12 formulation is a natural energy, mood, and memory booster - and supports healthy metabolism, immunity and nervous system functioning. Achieve your fitness goals, perform better at work/school, and improve your overall health and feeling of well-being.
  • HIGHEST POTENCY: While most B12 supplements contain 1000mcg to 3000mcg per serving, we give you the same number of servings per bottle at 5000mcg, or you can double your servings by taking just 2500mcg - so you get more for your money.
  • HIGHEST QUALITY GUARANTEE: Compare your current B12's Supplement Facts label to ours, and see why Why Not Natural B12 is #1! We have made it our mission to create the best B12 drops, and we back it up with an unconditional 60-day money back guarantee!
  • EASY FOR YOUR BODY TO USE: Features methylcobalamin, the bioactive form of B12 that’s more readily absorbed by the body. Contains no toxic cyanide like other, inferior vitamin supplements!
  • GRADUATED DROPPER FOR EASY DOSING: The graduated/printed dropper allows you to quickly & easily measure 2500mcg, 5000mcg or another amount of B12 that’s right for you. No more guessing or counting drops! Save time in the morning, and always get an accurate serving size!
SaleBestseller No. 4
Vitamin B12 Spray | USDA Organic Vitamin B12 Liquid Spray | B12 Vitamin Supplement Liquid for Nerve Function | Liquid Vitamin B12 for Energy Support | Vegan | Non-GMO | Gluten Free | 1 Fl Oz
  • USDA Organic Liquid B12 Spray: MaryRuth’s has come out with a USDA Organic B12 that is methylated and in a form that has been shown to have superior bioavailability! Many B12 supplements are often filled with artificial flavors or use a form of B12 that contains cyanide, which is the kind some people want to stay away from.
  • Multiple Benefits: Maintain your body’s energy levels and benefit your brain by supporting neurofunction with this tasty berry spray. B12 may help the body with normal nerve function and red blood cells, but you also may notice increased energy if you’re deficient! Additionally, if you have an MTHFR gene variant (and around 40% of us might), you may find this to be your preferred type of B12!
  • Vegan Formula: USDA Organic Methyl B12 Liquid Spray by MaryRuth's Ingredients Per Serving (2 Sprays): 1500 mcg Vitamin B12 (as Methylcobalamin). Other Ingredients: Purified Water, Organic Glycerin, Organic Mixed Berry Flavor. Keep out of Children’s reach in case of accidental overdose or choking. Store in a cool, dry place.
  • Easy-to-Take Liquid Drops: No more hard-to-swallow pills or capsules! Shake well before use. Adults take 2 sprays or as recommended by a physician or healthcare professional. Each bottle comes with 120 servings. Available in a One or Two-Pack!
  • Free of Common Allergens: MaryRuth's Methyl B12 Spray is USDA Organic, 100% Plant Based, Vegan, Non-GMO, Dairy Free, Nut Free, Gluten & Wheat Free, Soy Free, Corn Free, Nightshade Free, Sugar Free. Bariatric Friendly, Celiac Friendly, Keto Friendly.
Bestseller No. 5
Live Conscious Vegan Vitamin B12 Sublingual Liquid Drops by LiveWell - Methylcobalamin Maximum Strength 5000 mcg Formula - Support Energy and Mood, Promote Memory, Aid Immune System - 60 Servings
  • Naturally-Derived Energy Support: Since Live Conscious Vegan B12 helps convert carbohydrates into glucose, it can lead to greater cellular energy production.*
  • Energy for a Good Mood: As B12 helps your body feel more energetic, it’s a holistic way to support your mood too.*
  • 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.
Bestseller No. 6
Nature's Bounty B Complex with B12 Sublingual Liquid Fast Acting Dietary Supplement, 2 Fl Oz
  • During the summer months products may arrive warm but Amazon stores and ships products in accordance with manufacturers' recommendations, when provided.
  • Product Note: Exposure to heat or sunlight may lead to melting/damage of product. Hence customers are expected to be available during the product delivery
Bestseller No. 7
Rx Vitamins Rx B12 for Dogs & Cats - Vitamin B12 Liquid Supplement for Pets - Dog Vitamins for Small & Large Breed - Cat Health Supplies - 4 oz.
  • B 12 Vitamin for Dogs & Cats: Also known as Cyanocobalamin, this essential vitamin is helps support healthy energy production, vitality, cell growth, and immunity for your pet.
  • Vitamins for Dogs Small Breed & Large Breed: Our liquid vitamin B12 supplement makes it simple to measure a weight-based dose, perfect for any size adult or senior pet.
  • Liquid Dog & Cat Vitamins: Our easy-to-administer formula is easy to disguise in your pet's favorite wet or dry food. Use the dropper to measure a dose and mix it in; they'll never be the wiser!
  • Digestive & Immune Boost with Vitamin B-12: This vitamin may also support healthy digestion and immune system function for pets with low B12 levels. B12 vitamin may be missing from your pet's food!
  • Premium Pet Vitamins: Rx Vitamins pet supplements are formulated by veterinarians with high-potency ingredients to ensure safety and efficacy.
Bestseller No. 8
Pure Encapsulations B12 Liquid | 1,000 mcg Vitamin B12 (Methylcobalamin) Supplement to Support Nerves, Immune Health, Energy, and Cognitive Function* | 1 fl. oz.
  • Cognitive Function: B12 is helps support nerve cell health, overall well-being, and cognitive function.*
  • Cellular Energy Production: Vitamin B12 can also play an important role in contributing to energy production and maintaining a healthy immune system*
  • Immune Support: Vitamin B12 plays a role in immune system health and healthy homocysteine metabolism.*
  • Pure Quality: Our supplements are made with only premium ingredients sourced from trusted suppliers and guided by our nutritional experts, then carefully manufactured and tested to verify their potency and purity.
  • Pure Difference: What makes us different isn't just our process or what goes into our supplements -- what we leave out matters, too. Pure Encapsulations products are FREE FROM wheat, eggs, tree nuts & peanuts, gluten, artificial colors, flavors & sweeteners, coatings and shellacs, GMOs, and unnecessary binders, fillers & preservatives.
SaleBestseller No. 9
Vitamin B Complex Liquid Drops | B Vitamins Complex Supplement with B1, B2, B3, B6, B7, B9 & Methyl B12 Drops for Adults & Kids | Vegan Berry Flavor 2oz | 60 Servings / 2 Month Supply
  • The Complete Vitamin B Complex - These fast-absorbing drops have all 8 forms of B-vitamins and are designed for even greater benefits than a basic B complex. Our full-spectrum formula boosts energy, metabolism, stress response & overall wellness.
  • Delicious & Convenient - With a tasty, sugar-free & natural berry flavor, these are perfect for all ages! Our liquid vitamin B complex drops are practical, easy and super effective - with an even greater taste the whole family will love!
  • Essential Vitamins for Whole Body Health - B Vitamins are crucial for maintaining optimal health since humans can’t naturally produce them. As a key energy supporter, try our liquid B complex vitamin supplement today and see the difference!
  • Smooth Energy, Calm Mind & Healthy Metabolism - Our liquid B complex helps convert food into cellular energy, maintain nervous system health & support the body’s natural ability to manage stress, resulting in healthy energy levels & improved mood.
  • Vegan & Sugar Free - With zero animal products, gluten, soy, nuts, eggs or dairy, you can feel confident in the quality and purity of what you’re putting in your body. They’re also lab-tested, Non-GMO, paleo & celiac friendly too!
Bestseller No. 10
Vitamin B Complex with Folic Acid | B Complex Vitamin Supplement | 2 Month Supply | B12 Sublingual Liquid for Hair Skin Nails | Energy Support Supplement | Vegan | Non-GMO | Gluten Free | 2 Fl Oz
  • SAY GOODBYE TO THE BLUES AND A SLUGGISH MIND – This type of B12 is a potent, powerful oxygen booster. Have you ever stood up too quickly and gotten lightheaded? That's because your brain doesn't get enough oxygen. This B12 was carefully formulated to infuse your body with the "raw materials" to make the protein that transports oxygen in your blood. Your body must constantly generate oxygen to make red blood cells. Consistent oxygen in the blood means limitless energy for you!
  • EXCESS POUNDS BEWARE! – Our liquid vitamin B12 complex is an amazing metabolism booster giving your body the edge in losing those stubborn pounds. Moreover, you don’t have to worry about the detrimental side effects of those sugar and caffeine heavy energy drinks and pills. All natural, healthy energy is the ONLY thing you’ll receive from us!
  • THE B12 ADVANTAGE – Not only are our sublingual drops perfect to get your body moving, but vitamin B12 plays a crucial role in cellular reproduction. It’s an excellent supplement to help give you radiant skin, shimmering hair, and beautiful strong nails! Who knew enlivened vitality came with beauty benefits?
  • A SIMPLE COMPLEX – Vitamin B12 is definitely the star of the show, but we’ve taken the time to create a healthy energy powerhouse by adding Niacin, Folic Acid, Riboflavin, Thiamin, and even Vitamin C to ensure that not only your energy levels are boosted, but your nervous system is supported and your mood is enhanced!
  • GUARANTEED BOOST – We know our product works. It’s helped so many already to get their “oomph” back and a little pep in their step for good measure. However, if it’s not for you, that’s ok too. Buy Mother Nature’s Naturals Absolutely RISK FREE with our 100% “Love it or your money back” guarantee!! If it’s not for you, just send it back our way, and we’ll square up with you, no problem.

Things To Consider Before Buying The Best Liquid Vitamin B12 Supplements

Before choosing a liquid vitamin b12 supplements, you should take the following considerations into account.

Some factors to consider when purchasing a liquid vitamin b12 supplement include: the brand, quality, form, and dosage. Additionally, it is important to be aware that some supplements may interact with other medications a person takes and could potentially lead to side effects.

Related Frequently Asked Questions

Is Liquid B12 Better Than Pills?

There is no definitive answer to this question as the benefits and drawbacks of taking B12 pills or liquid forms can depend on a person’s individual situation and health history. Some people find that taking B12 pills is better than taking liquid form due to the fact that liquid B12 can be absorbed through the intestines more easily and it’s also more stable in the body. However, others find that liquid forms are easier to remember to take and overall provide a more consistent source of B12.

Is Liquid B12 Good For You?

There is no one-size-fits-all answer to this question, as the benefits of using liquid B12 vary depending on a person’s lifestyle, health conditions, and other factors. However, some people have found that liquid B12 can help improve energy levels and mood, while others have reported negative effects such as diarrhea or nausea after taking it.

Is There A Liquid Form Of Vitamin B12?

There is no liquid form of vitamin B12.

What Is The Best Form Of B12 To Take?

There is no one-size-fits-all answer to this question, as the best form of B12 for a person may vary depending on their age, health condition, and lifestyle. However, some people prefer to take cyanocobalamin supplements in order to ensure adequate absorption of the vitamin; others may prefer to take methylcobalamin supplements because they are associated with a lower risk of neurological illness. Ultimately, it is important for people to find what works best for them and consult with a health care professional in order to determine which form of B12 is best for them.


There is no single definitive answer to this question. Some liquid vitamin B12 supplements are better than others, depending on the person’s specific needs and health condition.

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