Best Liquid Vitamin B12 Supplements of 2025

Elisa Drew Avatar
Elisa Drew
Last Updated: Jan 17, 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.

Liquid Vitamin B12 supplements are a convenient way to ensure that the body is receiving its daily dose of this essential nutrient. These supplements are a great option for those who have difficulty swallowing pills or have digestive issues that prevent the body from absorbing nutrients properly. Liquid Vitamin B12 supplements are also a popular choice for vegans and vegetarians, as this vitamin is primarily found in animal products. They are easily absorbed by the body and can provide a quick energy boost, making them an ideal choice for athletes and individuals with busy lifestyles.

At a Glance: Our Top Picks

Nature's Bounty Vitamin B12 Sublingual Liquid Cover #TOP 1
Nature's Bounty Vitamin B12 Sublingual Liquid
ftb score rating icon 9.8
Vitamin B12 Liquid Drops 5000mcg, Methylcobalamin Cover #TOP 2
Vitamin B12 Liquid Drops 5000mcg, Methylcobalamin
ftb score rating icon 9.7
VITBOOST Vegan Liquid B-12 Drops Cover #TOP 3
VITBOOST Vegan Liquid B-12 Drops
ftb score rating icon 9.5

Top 10 Liquid Vitamin B12 Supplements

Nature's Bounty Vitamin B12 Sublingual Liquid

18187
White
2 Fl Oz (Pack of 1)
Nature's Bounty Vitamin B12 Sublingual Liquid Cover
Nature's Bounty Vitamin B12 5000 Mcg Sublingual Liquid, Cardiovascular Health & Cellular Energy Support, 2 Fl Oz (1 Count)

Nature's Bounty Vitamin B12 Sublingual Liquid is an easy-to-take supplement that supports cellular energy and heart health. It contains 5000 mcg of Vitamin B12 per serving, which helps convert food into energy that your body needs. Additionally, Vitamin B12 is important for maintaining healthy nerve cells and supporting the cardiovascular and circulatory systems. This gluten-free and sugar-free liquid has a natural berry flavor and is suitable for vegetarians. Nature's Bounty has nearly 50 years of experience in producing high-quality vitamins and nutritional supplements.

What We Like
Effective energy boost
Fast absorption
Decent taste
Easy to incorporate
Affordable price
What We Don't Like
Strong, bitter taste
#TOP 2

Vitamin B12 Liquid Drops 5000mcg, Methylcobalamin

S RAW SCIENCE
2 Fl Oz (Pack of 1)
Vitamin B12 Liquid Drops 5000mcg, Methylcobalamin Cover
Vitamin B12 Liquid Drops Sublingual 5000mcg, Methyl & Methylcobalamin Supplements for Women and Men, Mood & Energy Booster, Methylated B 12 for Metabolism & Health Support, Maximum Absorption Formula

Get more energy, better brain health, and an increased mood with Vitamin B12 Liquid Drops 5000mcg. Its Methylated B12 Sublingual 5000 formula can help you stay on top of your Vitamin B12 levels, which is biologically active and quickly absorbed under your tongue. It's easy to take with a user-friendly dropper and great-tasting product. Made in the USA with premium-grade ingredients, this vegan Cyanocobalamin supplement is packaged with care and made with their quality pledge in mind.

What We Like
Improves energy levels
Sublingual absorption method
Great cherry taste
Effective for low B12
Glass packaging
What We Don't Like
Dropper only measures half
Storage concerns in luggage

VITBOOST Vegan Liquid B-12 Drops

2 Fl Oz (Pack of 1)
VITBOOST Vegan Liquid B-12 Drops Cover
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 your energy levels and improve your cognitive function with the VITBOOST Vegan Liquid B-12 Drops. These drops are designed to maximize absorption with their sublingual liquid formula, which makes them highly absorbable and ultra-potent. The raspberry-flavored formula is easy to take and eliminates the need for injections. This supplement is made with non-GMO ingredients and is allergen-free, gluten-free, and vegan. In addition to boosting energy levels, these drops can speed up metabolism and promote healthy hair, skin, and nails.

What We Like
Delicious natural berry flavor
Rapid absorption liquid form
High-quality non-GMO ingredients
Convenient dropper for dosing
Improves energy and mood
What We Don't Like
Dropper fills only partially

NUSAVA Vitamin B12 Liquid Drops

NUS-LIQVITB12-DRPS-2PK
2 Fl Oz (Pack of 2)
NUSAVA Vitamin B12 Liquid Drops Cover
(2 Pack) Vitamin B12 Liquid Drops, B12 Sublingual 5000 mcg, Vitamin B Complex with Vitamin B6, Liquid B12 Methylcobalamin Supports Energy, Brain & Heart with 27,200 mcg Per Serving, (80 Servings)

NUSAVA B12 Drops provide a potent blend of Vitamin B12, B6, B1, Niacin, and Folic Acid to support your body functions. Experience brain support, energy metabolism, heart wellness, and immune support with each sublingual drop. Enjoy rapid absorption by placing the drops under your tongue for 30 seconds. This organic formula is free from fillers, vegan, non-GMO, and gluten-free. If you seek a 5-in-1 B12 complex, try NUSAVA B12 Drops for ultimate benefits.

What We Like
Effective energy boost
Good taste
Easy to use
Glass bottle for safety
Quick absorption
What We Don't Like
Small text on the bottle
Unclear ingredient information

Why Not Natural Vitamin B12 Liquid Plus Folate

B12Comp
2 Fl Oz (Pack of 1)
Why Not Natural Vitamin B12 Liquid Plus Folate Cover
Why Not Natural Vitamin B12 Liquid Plus Folate - Organic Sublingual Extra Strength Vegan Drops - Methyl B12 and Folinic Supplement

Why Not Natural B12 Liquid is a sublingual organic vitamin supplement that provides a natural boost to your energy, mood, and memory. It supports healthy metabolism, immunity, and nervous system functioning, as well as red blood cell production and iron function. This supplement can help you achieve your fitness goals, perform better at work or school, and improve your overall health and well-being. It also maintains healthy homocysteine levels, heart and brain health, as well as GI tract health. For women of child-bearing age, folate is especially important for healthy spinal cord development. With a high potency of 2000mcg B12 and 800mcg folate per serving, Why Not Natural B12 Liquid provides the right ratio for optimal health. The bioavailable forms of B12 and folate in this supplement are easily absorbed by the body, making it more effective than other inferior vitamin supplements. The included graduated dropper allows for easy dosing, ensuring you always get an accurate serving size without any guesswork.

What We Like
Effective energy boost
Great taste
Quick absorption
Improved B12 levels
Good for genetic disorders
What We Don't Like
Slightly sweet taste
Requires holding under tongue

Live Conscious Vegan Vitamin B12 Sublingual Liquid Drops

2 Fl Oz (Pack of 1)
Live Conscious Vegan Vitamin B12 Sublingual Liquid Drops Cover
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

Live Conscious Vegan Vitamin B12 Sublingual Liquid Drops is a fast-absorbing, earth-friendly formula that supports your energy, mood, memory, and immune system. The Methylcobalamin B12 5000 Mcg Vegan Formula helps to convert carbohydrates into glucose, leading to greater cellular energy production. It also promotes the production of white blood cells, which is crucial for immune system support and protection. By using an under the tongue dropper, it ensures fast absorption. Live Conscious Vegan B12 is lactose-free, gluten-free, soy-free, non-GMO, and made in the U.S. from globally sourced ingredients.

What We Like
Great taste
Improves energy levels
Natural ingredients
Easy to use
Positive mood enhancement
What We Don't Like
Dropper doesn't function well
May take time to feel effects

Pure Encapsulations B12 Liquid

B12L
1 Fl Oz (Pack of 1)
Pure Encapsulations B12 Liquid Cover
Pure Encapsulations B12 Liquid | 1,000 mcg Vitamin B12 (Methylcobalamin) Supplement to Support Nerves, Immune Health, Energy, and Cognitive Function* | 1 fl. oz.

Pure B12 Liquid is a premium quality vitamin B12 supplement from Pure Encapsulations. It contains 1,000 mcg of methylcobalamin, a form of B12 that is more easily absorbed by the body. B12 is essential for nerve cell health and cognitive function, and can also play an important role in energy production and immune system health. Pure B12 Liquid is made with only the highest quality ingredients, and is free from common allergens and unnecessary fillers and preservatives.

What We Like
Pleasant taste
Convenient and well-tolerated
Mental clarity improvement
Easy-to-use dropper
What We Don't Like
Inconsistent energy boost
Dropper quality concerns
#TOP 8

Carlyle Vitamin B12 Sublingual

CL7300
2 Fl Oz (Pack of 1)
Carlyle Vitamin B12 Sublingual Cover
Carlyle Vitamin B12 Sublingual | 10,000mcg | 2 fl oz | Vegetarian, Non-GMO, Gluten Free Liquid Drops

Carlyle B12 Sublingual is a liquid Vitamin B12 supplement that offers a convenient and delicious way to boost your B12 levels. With a sublingual formula, each serving provides 10,000 mcg of Vitamin B12 in just two easy dropperfuls. This premium supplement by Carlyle is rooted in wellness and is perfect for those seeking a healthy lifestyle. The natural berry flavor makes it enjoyable to consume, and the liquid form allows for quick absorption. Plus, it is gluten-free, non-GMO, and free from artificial flavors and colors. With Carlyle B12 Sublingual, you can support your overall health and well-being with ease.

What We Like
Great taste
Increased energy levels
Effective absorption
Non-GMO and vegetarian
Good value for price
What We Don't Like
Supply duration unclear
High B12 levels possible

NUTRAHARMONY Organic B12 Sublingual Drops

B12-0823
2 Fl Oz (Pack of 1)
NUTRAHARMONY Organic B12 Sublingual Drops Cover
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

NUTRAHARMONY B12 Drops are a fantastic way to support your health goals. With a high dose of 5000mcg of vitamin B12 in liquid form, these drops help with mood support, brain health, energy production, and fast absorption. Elevate your mood, enhance focus, and increase energy levels with these tasty berry-flavored drops. Made from USDA organic ingredients, these drops are GMO & sugar-free, ensuring safety and effectiveness. Experience sustained vitality, improved brain functioning, and enhanced cognitive performance with NUTRAHARMONY B12 Drops!

What We Like
Effective energy boost
Good taste compared to others
Convenient liquid form
Quality glass packaging
Long-lasting supply
What We Don't Like
Flavor might be strong for some
#TOP 10

Global Healing Vitamin B12 Tri-Blend

784922630681
1 Fl Oz
Global Healing Vitamin B12 Tri-Blend Cover
Global Healing Vitamin B12 Sublingual 5000 mcg Organic Liquid Supplement, Methylcobalamin, Adenosylcobalamin, Hydroxo Long-Lasting Energy and Healthy Metabolism - Vegan B12 Vitamins (1 Oz)

Global Healing B12 Drops are a potent USDA organic certified blend of Methylcobalamin, Adenosylcobalamin, and Hydroxocobalamin, providing one of the most pure, active, and absorbable combinations of Vitamin B12 available on the market. This supplement is useful for providing long-lasting energy and improving heart health. The sublingual liquid drops are easy to take and the 5000 mcg dosage ensures maximum effectiveness. The organic formula ensures a pure and natural source of B12, making it a reliable and healthy choice for those looking to supplement their diet.

What We Like
Effective energy boost
Improved mental clarity
Pure ingredients
Easy to use dropper
Good taste
What We Don't Like
Expensive compared to alternatives
Possible delivery temperature concerns
Buying Guide Image

A Buyer's Guide to Liquid Vitamin B12 Supplements

Why Choose Liquid Vitamin B12 Supplements?

Vitamin B12 is an essential nutrient that plays a vital role in many of the body's functions, including the production of red blood cells, the maintenance of a healthy nervous system, and the metabolism of fats and proteins. While it is possible to get enough vitamin B12 through a balanced diet, some people may not be able to obtain sufficient amounts of this nutrient from food alone. In these cases, taking a vitamin B12 supplement can be a convenient and effective way to ensure that your body has the B12 it needs to function properly.

Choosing the Right Liquid Vitamin B12 Supplement

When it comes to choosing a liquid vitamin B12 supplement, there are a few key factors to consider. First and foremost, it's important to choose a product that has been tested and certified for purity and potency. This will ensure that you are getting a high-quality supplement that contains the correct amount of B12.

Another important factor to consider is the form of vitamin B12 used in the supplement. There are several different forms of B12, including cyanocobalamin, methylcobalamin, and adenosylcobalamin. While all of these forms are biologically active, some people may have a preference for one form over another. For example, some people may find that methylcobalamin is easier for their body to absorb and use, while others may prefer the longer-lasting effects of adenosylcobalamin.

It's also important to consider the dosage of the liquid vitamin B12 supplement. Most B12 supplements come in dosages ranging from 100 to 1000 micrograms (mcg), and the right dosage for you will depend on your individual needs. If you have a deficiency, your healthcare provider may recommend a higher dosage to help correct the deficiency more quickly. On the other hand, if you are simply looking to maintain healthy levels of B12, a lower dosage may be sufficient.

Additional Considerations

In addition to the factors discussed above, there are a few other things to consider when choosing a liquid vitamin B12 supplement. One of these is the method of delivery. Some liquid B12 supplements are delivered sublingually (under the tongue), while others are delivered orally (by swallowing). Some people may prefer the convenience of oral supplements, while others may find that sublingual supplements are more effective.

Another consideration is the taste of the liquid vitamin B12 supplement. While the taste of a supplement may not seem like a big deal, it can actually make a big difference in how willing you are to take it on a regular basis. If you don't like the taste of the liquid B12 supplement you choose, you may be less likely to take it consistently, which can reduce its effectiveness.

Finally, it's important to choose a liquid vitamin B12 supplement that is affordable and readily available. While it's important to choose a high-quality product, you don't want to overspend on a supplement that you may not be able to afford to take on a regular basis. Additionally, it's important to choose a product that is readily available from a reputable source, so that you can easily restock when necessary.

Conclusion

In conclusion, choosing a liquid vitamin B12 supplement can be a convenient and effective way to ensure that your body has the B12 it needs to function properly. When choosing a liquid B12 supplement, it's important to consider factors such as purity and potency, the form of B12 used, the dosage, the method of delivery, the taste, and the availability and affordability of the product. By carefully considering these factors, you can choose a liquid vitamin B12 supplement that is right for you ### How to Use Liquid Vitamin B12 Supplements

Once you have chosen the right liquid vitamin B12 supplement for your needs, it's important to understand how to use it properly. The instructions for using a liquid B12 supplement will vary depending on the specific product you choose, so it's important to carefully read and follow the directions on the label.

In general, liquid vitamin B12 supplements are taken orally or sublingually. If the supplement is to be taken orally, you will typically be instructed to take it by swallowing it directly, or by mixing it into a beverage or food. If the supplement is to be taken sublingually, you will typically be instructed to place a few drops of the liquid under your tongue and hold it there for a minute or two before swallowing.

It's important to note that some liquid vitamin B12 supplements may have a bitter or unpleasant taste. If this is the case with the product you choose, you may find it helpful to mix the liquid with a beverage or food to mask the taste. Some people also find it helpful to take the supplement with a meal, as this can make it easier for the body to absorb the B12.

It's also important to take the liquid vitamin B12 supplement consistently in order to get the full benefits. Most B12 supplements are intended to be taken daily, although the specific frequency will depend on the product you choose and the dosage recommended by your healthcare provider. By taking the supplement consistently and as directed, you can help ensure that your body has the B12 it needs to support healthy functions.

In addition to following the instructions on the label, it's also a good idea to talk to your healthcare provider before starting a liquid vitamin B12 supplement. Your healthcare provider can provide personalized guidance and advice on the appropriate dosage and frequency of use, as well as any potential interactions with other medications or supplements you may be taking.

Conclusion

In conclusion, liquid vitamin B12 supplements can be a convenient and effective way to ensure that your body has the B12 it needs to support healthy functions. When using a liquid B12 supplement, it's important to carefully read and follow the instructions on the label, and to talk to your healthcare provider for personalized guidance. By using the liquid B12 supplement as directed and consistently, you can help support your body's health and wellbeing.

Frequently Asked Questions (FAQs)

1. Is it better to take liquid B12?

In severe cases of malabsorption or for individuals at risk of vitamin B12 deficiencies, a liquid B12 supplement may be beneficial in preventing deficiency and associated symptoms. It may also offer some additional health benefits.

2. Can you take B12 liquid everyday?

Taking liquid B12 supplements daily is generally safe when consumed at appropriate doses. While the recommended daily amount for adults is 2.4 micrograms, higher doses have been found to be safe. The body absorbs only what it needs, and any excess is excreted through urine.

3. Does liquid B12 work immediately?

Liquid B12 supplements do not provide instant effects. While B12 injections can have immediate effects, it may take a few weeks for low levels to improve when taking B12 supplements. It is recommended to consult with a healthcare professional for medical advice and appropriate supplementation.

4. Is B12 better to take in the morning or at night?

As a general rule, it is advisable to take B vitamins, including B12, in the morning or with a meal. B12 is important for energy metabolism and taking it at night may interfere with sleep. However, individual preferences and healthcare provider recommendations should be considered.

5. How long after starting vitamin B12 will I feel better?

It may take a few weeks for vitamin B12 levels and symptoms related to deficiency, such as extreme tiredness or lack of energy, to improve. If hydroxocobalamin injections are administered initially, cyanocobalamin tablets may start to work within a few days.

6. Does liquid B12 have side effects?

While a serious allergic reaction to liquid B12 is rare, it is important to seek medical help immediately if symptoms such as rash, itching/swelling, severe dizziness, or trouble breathing occur. This is not an exhaustive list of possible side effects, so it's important to consult with a healthcare professional.

7. Is liquid B12 better than pill B12?

Liquid B12 supplements are absorbed more rapidly in the mouth compared to solid forms. Though liquid B12 is typically meant to be swallowed, holding it in the mouth for a few seconds before swallowing allows for some absorption through the membranes.

8. Is it OK to take 1000 mcg B12 daily?

For individuals at risk of vitamin B12 deficiency, doses up to 1,000 mcg are generally considered safe and can provide added protection. However, it's important to note that even the lowest doses in B12 supplements are significantly higher than the recommended dietary allowance.

9. What are the side effects of liquid B12?

Taking excessive amounts of liquid B12 can lead to side effects such as nausea, headache, dizziness, and in rare cases, blood clots or cancer. It's important to be aware of the potential side effects of consuming too much B12 and to follow recommended dosage guidelines.

Editor's Notes

During our liquid vitamin b12 supplement research, we found 24 liquid vitamin b12 supplement products and shortlisted 10 quality products. We collected and analyzed 221,064 customer reviews through our big data system to write the liquid vitamin b12 supplements list. We found that most customers choose liquid vitamin b12 supplements with an average price of $20.01.

The liquid vitamin b12 supplements are available for purchase. We have researched hundreds of brands and picked the top brands of liquid vitamin b12 supplements, including Nature's Bounty, S RAW SCIENCE, VITBOOST, NUSAVA, Why Not Natural. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Elisa Drew Avatar

Elisa Drew is a really professional copywriter specializing in baby products with five years of experience working as a pediatrician once. She has published a series of baby books purchased by over thirty thousand people in the United States.

Liquid Vitamin B12 Supplements Comparison Table

#TOP1
#TOP2
#TOP3
#TOP4
#TOP5
#TOP6
#TOP7
#TOP8
#TOP9
#TOP10
Brand Nature's Bounty S RAW SCIENCE VITBOOST NUSAVA Why Not Natural Live Conscious Pure Encapsulations Carlyle NUTRAHARMONY Global Healing Center
Item Form Liquid Drop Drop Drop Drop Liquid Liquid Liquid Drop Drop
Flavor Berry Raspberry Raspberry Raspberry Unflavored Lemon Unflavored Berry Natural Berry Mix Unflavored
Primary Supplement Type Vitamin-b - B12 Complex Gluten Free folate, Vitamin B12 Vitamin B12 Vitamin-b Vitamin B12, B-Complex Vitamin B12 Vitamin-b
Diet Type Vegetarian - Gluten Free, Vegan - Keto, Vegetarian, Gluten Free, Vegan, Plant Based Gluten Free, Vegan Gluten Free Vegetarian Vegan Vegan
FTB Score
ftb score rating icon 9.8
ftb score rating icon 9.7
ftb score rating icon 9.5
ftb score rating icon 9.4
ftb score rating icon 9.2
ftb score rating icon 9.1
ftb score rating icon 9.1
ftb score rating icon 8.9
ftb score rating icon 8.8
ftb score rating icon 8.8
Where to Buy