Updated:22 October 2026
Rank 1-18 of the best Vitamin B12
Our recommendation Price Customer rating
1. Comparison winner
Igennus Vitamin B12-Complex 1000mcg Sublingual
Igennus Vitamin B12-Complex 1000mcg Sublingual
Available immediately
free shipping
  • supports energy production with an effective 1000mcg dose of vitamin B12, which contributes to normal energy-yielding metabolism and helps reduce tiredness and fatigue
  • aids the nervous system with vitamin B12, essential for its normal functioning
  • with vitamin B12, assists in the formation of red blood cells to maintain normal blood health
Our rating
9,8
very good
2. Best value
Vitamin B12 1000mcg Tablets, 400 Chewable, Vegan, Lemon Flavour
Vitamin B12 1000mcg Tablets, 400 Chewable, Vegan, Lemon Flavour
Available immediately
free shipping
  • provides 1000mcg of methylcobalamin per serving to support energy production
  • supports the functioning of the nervous system
  • contributes to the formation of red blood cells
Our rating
9,6
very good
Nature Provides Vitamin B12 Liquid Drops 50ml
Nature Provides Vitamin B12 Liquid Drops 50ml
Available immediately
free shipping
  • supports energy production with 3000mcg of highly bioavailable Vitamin B12
  • contributes to a healthy nervous system and cardiovascular health
  • supports the formation of red blood cells and adrenal function
Our rating
9,6
very good
HealthAid Vitamin B12 1000ug Tablets
HealthAid Vitamin B12 1000ug Tablets
Available immediately
free shipping
  • supports the body's metabolism of carbohydrates, proteins and fats
  • important for the healthy maintenance of the nervous system
  • helps the body produce healthy red blood cells
Our rating
9,6
very good
5. Bestseller
Vitamin B12 1000mcg Tablets
Vitamin B12 1000mcg Tablets
Available immediately
free shipping
  • supports normal energy production
  • promotes healthy nervous system function
  • aids in the production of red blood cells
Our rating
9,6
very good
Vitamin B12 1000mcg Tablets, Methylcobalamin, 450 Count, Vegan
Vitamin B12 1000mcg Tablets, Methylcobalamin, 450 Count, Vegan
Available immediately
free shipping
  • contributes to energy production and reduction of tiredness and fatigue
  • supports the normal function of the nervous system
  • aids in the formation of red blood cells
Our rating
9,5
very good
Holland & Barrett Vitamin B12 1000ug Tablets
Holland & Barrett Vitamin B12 1000ug Tablets
Available immediately
free shipping
  • contains b-vitamins for energy production
  • includes nutrients that support the nervous system
  • promotes formation of red blood cells
Our rating
9,5
very good
Pure Encapsulations Vitamin B12 Methylcobalamin 1000 UG Capsules
Pure Encapsulations Vitamin B12 Methylcobalamin 1000 UG Capsules
Available immediately
free shipping
  • supports normal energy-yielding metabolism to reduce tiredness and fatigue
  • contributes to the proper functioning of the nervous system
  • aids in the normal formation of red blood cells
Our rating
9,5
very good
Vitamin B12 Tablets 1000mcg Complex
Vitamin B12 Tablets 1000mcg Complex
Available immediately
free shipping
  • provides 1000 micrograms of vitamin B12 per tablet, which contributes to energy production
  • supports the nervous system for improved neurological and psychological function
  • aids in the formation of red blood cells, helping to reduce fatigue and tiredness
Our rating
9,5
very good
BetterYou B12 Oral Spray 25ml
BetterYou B12 Oral Spray 25ml
Available immediately
free shipping
  • provides energy production by delivering 1200 mcg of vitamin B12 per four sprays
  • supports the nervous system for improved psychological functions and concentration
  • aids the formation of red blood cells to combat tiredness and fatigue
Our rating
9,4
good
YrHealth Vegan Vitamin B12 Tablets 1500mcg 180 Pack
YrHealth Vegan Vitamin B12 Tablets 1500mcg 180 Pack
Available immediately
free shipping
  • contributes to energy production in the body
  • supports normal nervous system function
  • aids in the formation of red blood cells
Our rating
9,4
good
Nutravita Vitamin B12 1000mcg Tablets
Nutravita Vitamin B12 1000mcg Tablets
Available immediately
free shipping
  • contributes to normal energy production in the body
  • supports normal function of the nervous system
  • aids in the formation of red blood cells
Our rating
9,4
good
Nutroliq Vitamin B12 Liquid Drops 5000mcg - 60ml
Nutroliq Vitamin B12 Liquid Drops 5000mcg - 60ml
Available immediately
free shipping
  • promotes energy production by providing 5000mcg of methylcobalamin per serving
  • supports the nervous system by assisting in the formation and regeneration of nerve fibre sheaths
  • facilitates the production of red blood cells by aiding in the synthesis of neurotransmitters
Our rating
9,3
good
100+ purchases last month
Zipvit Vitamin B12 Tablets 1100mcg, 360 Vegan Tablets
Zipvit Vitamin B12 Tablets 1100mcg, 360 Vegan Tablets
Available immediately
free shipping
  • contributes to energy production by helping the body convert food into energy
  • supports the normal functioning of the nervous system
  • assists in the formation of red blood cells, promoting proper oxygen flow
Our rating
9,1
good
Horbaach Vitamin B12 2000mcg Tablets with Folic Acid
Horbaach Vitamin B12 2000mcg Tablets with Folic Acid
Available immediately
free shipping
  • provides 2000 mcg of vitamin B12 and 200 mcg of folic acid to support energy production
  • supports the nervous system, contributing to overall health and well-being
  • contributes to the formation of red blood cells
Our rating
9,1
good
Nutravita Vitamin B12 1200mcg Tablets
Nutravita Vitamin B12 1200mcg Tablets
Available immediately
free shipping
  • provides energy production through methycobalamin, an easily absorbable form of vitamin B12
  • supports proper function of the nervous system
  • aids in the formation of red blood cells
Our rating
9,1
good
Solgar Vitamin B12 100 µg Tablets (Pack of 100)
Solgar Vitamin B12 100 µg Tablets (Pack of 100)
Available immediately
free shipping
  • contributes to energy production for a more active lifestyle
  • supports normal nervous system functioning
  • assists in the formation of red blood cells
Our rating
9,0
good
Lindens Vitamin B12 250mcg, 120 Tablets
Lindens Vitamin B12 250mcg, 120 Tablets
Available immediately
free shipping
  • supports energy production by promoting normal energy-yielding metabolism
  • assists the nervous system in normal function
  • aids in the formation of red blood cells
Our rating
8,6
good

Similar Vitamin B12 comparisons

Vitamin B12 buying guide: How to choose the right product from the above Vitamin B12 test or comparison

Understanding Vitamin B12: What It Is and Why We Need It

What is Vitamin B12?

Vitamin B12, also known as cobalamin, is a water-soluble vitamin that plays a crucial role in various bodily functions. It is essential for the production of red blood cells, DNA synthesis, and maintaining healthy nerve cells. Our bodies cannot produce Vitamin B12 on their own, which means we need to obtain it from external sources.

Why is it Important?

Without adequate Vitamin B12, we risk developing anemia, fatigue, and neurological issues. This vitamin is particularly vital for those with diets that limit animal products, as animal-derived foods are the primary sources of Vitamin B12. Additionally, as we age, our ability to absorb this vitamin decreases, making it even more critical to monitor intake.

The Best Sources of Vitamin B12: Natural vs. Supplement

Natural Sources of Vitamin B12

The best way to get Vitamin B12 is through natural food sources. Animal products such as meat, fish, poultry, eggs, and dairy are rich in this vitamin. For example, a serving of salmon or beef liver can provide several times the daily requirement of Vitamin B12. For vegetarians and vegans, fortified foods such as cereals, plant-based milk, and nutritional yeast are excellent alternatives.

Vitamin B12 Supplements

Vitamin B12 supplements come in various forms, including tablets, capsules, and sublingual forms that dissolve under the tongue. These can be especially beneficial for individuals with absorption difficulties or those who follow a strict vegetarian or vegan diet. Choosing a reputable brand ensures that you receive an effective amount of the vitamin.

Choosing the Right Vitamin B12 Supplement: Key Factors to Consider

Types of Supplements Available

When selecting a Vitamin B12 supplement, consider the different forms available, such as methylcobalamin and cyanocobalamin. Methylcobalamin is the active form and is easily absorbed by the body, making it a popular choice. Besides, check the dosage, as each person’s needs can vary depending on age, dietary restrictions, and individual health conditions.

Checking Labels Carefully

Always read the labels carefully. Look for a supplement that contains a higher dosage if you have a deficiency, but be mindful of excessive doses. It’s also essential to choose a supplement free from harmful additives, allergens, and artificial colours or flavours. This ensures you’re getting a product that’s good for your health.

Daily Requirements Based on Various Life Stages

The recommended daily allowance (RDA) for Vitamin B12 varies based on age and life stage. For most adults, the RDA is about 2.4 micrograms per day. However, pregnant and breastfeeding women have increased requirements. If you follow a vegetarian or vegan diet, you may need to be particularly mindful of your intake, as your sources may be limited.

Monitoring Your Intake

Keeping track of your Vitamin B12 intake can be straightforward with a well-planned diet. For those concerned about getting enough, consider regular check-ups with your healthcare provider to monitor levels, especially if you experience symptoms such as fatigue or weakness.

Real-Life Benefits of Vitamin B12: What to Expect from Taking It

Improved Energy Levels

One of the commonly reported benefits of adequate Vitamin B12 intake is increased energy levels. Many people notice less fatigue and improved stamina as the vitamin aids in the production of red blood cells, which are responsible for carrying oxygen throughout the body.

Enhanced Cognitive Function

Vitamin B12 is essential for neurological health. Sufficient levels can help improve mood, memory, and overall cognitive function. Those who take Vitamin B12 supplements often report better concentration and mental clarity, which can be especially beneficial in our fast-paced lives.

Table of contents
  1. Understanding Vitamin B12: What It Is and Why We Need It
  2. The Best Sources of Vitamin B12: Natural vs. Supplement
  3. Choosing the Right Vitamin B12 Supplement: Key Factors to Consider
  4. Recommended Daily Allowance of Vitamin B12: Are You Getting Enough?
  5. Real-Life Benefits of Vitamin B12: What to Expect from Taking It

Overview

1. Comparison winner
Igennus Vitamin B12-Complex 1000mcg Sublingual
Our rating
9,8
very good
Igennus Vitamin B12-Complex 1000mcg SublingualAvailable immediately
2. Best value
Vitamin B12 1000mcg Tablets, 400 Chewable, Vegan, Lemon Flavour
Our rating
9,6
very good
Vitamin B12 1000mcg Tablets, 400 Chewable, Vegan, Lemon FlavourAvailable immediately
Nature Provides Vitamin B12 Liquid Drops 50ml
Our rating
9,6
very good
Nature Provides Vitamin B12 Liquid Drops 50mlAvailable immediately
HealthAid Vitamin B12 1000ug Tablets
Our rating
9,6
very good
HealthAid Vitamin B12 1000ug TabletsAvailable immediately
5. Bestseller
Vitamin B12 1000mcg Tablets
Our rating
9,6
very good
Vitamin B12 1000mcg TabletsAvailable immediately
Vitamin B12 1000mcg Tablets, Methylcobalamin, 450 Count, Vegan
Our rating
9,5
very good
Vitamin B12 1000mcg Tablets, Methylcobalamin, 450 Count, VeganAvailable immediately
Holland & Barrett Vitamin B12 1000ug Tablets
Our rating
9,5
very good
Holland & Barrett Vitamin B12 1000ug TabletsAvailable immediately
Pure Encapsulations Vitamin B12 Methylcobalamin 1000 UG Capsules
Our rating
9,5
very good
Pure Encapsulations Vitamin B12 Methylcobalamin 1000 UG CapsulesAvailable immediately
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