The best vitamin B12 supplements - TOP 5 in 2025
Vitamin B12, also known as cobalamin, has many important functions in the human body. Among other things, it is essential for the production of red blood cells, cell metabolism and maintaining the health of the nervous system. B12 deficiency can lead to nerve damage, which can manifest as tingling, numbness, imbalance and problems with memory and concentration. Although vitamin B12 is found in a variety of foods, such as meat, fish, dairy and eggs, some people may find it difficult to get enough due to various factors, including dietary restrictions, health problems or lifestyle. Therefore, it is worth looking at supplements to help correct vitamin B12 deficiencies in the body and restore its normal function.
The ranking factors we considered were:
- Increased red blood cell count
- Balanced dosage
- Form of supplement
- Improved metabolism
- Reduction in feelings of fatigue
- Veganness
- Price/performance ratio
What qualities to look for in a good vitamin B12 supplement?
Form of vitamin B12: the best vitamin B12 supplements contain methylcobalamin, adenosylcobalamin or hydroxocobalamin, which are easily absorbed by the body.
Dosage: it is important to choose a supplement with the correct dose of vitamin B12, usually the GIS recommended daily adult intake (i.e. 100 µg).
No artificial additives: supplements containing artificial colours or preservatives are best avoided. Ideally, these should be replaced by their natural counterparts.
Form of supplement: it is advisable to choose the use and form of the supplement according to yourself. Drops, capsules, tablets or powder can vary in absorption and convenience of use.
Take a look at the ranking for the best vitamin B12:
The supplement from Nutridome is an excellent source of vitamin B12, which plays an important role in many fundamental bodily functions. Among other things, vitamin B12 is important for the proper functioning of blood-forming processes and the production of red blood cells. In addition, vitamin B12 influences the formation of myelin sheaths in neurons, the conversion of folic acid to its active form and the metabolism of fats and carbohydrates. As vitamin B12 is mainly found in animal products, the use of a vitamin B12 supplement is particularly important for those who exclude meat, eggs or fish from their diet. One serving of Nutridome supplement contains 100 µg of methylcobalamin (in line with GIS recommendations), which is characterised by faster absorption and longer residence time in the body than other forms of vitamin B12. This guarantees a high level of efficacy, with no risk to the safety of use.
OstroVit Vitamin B12 is a dietary supplement that provides an essential dose of the B vitamin in the form of methylcobalamin. It is a product in tablet form, designed for those who want to supplement their diet with this valuable ingredient. Vitamin B12 has many important functions in the body. Among other things, it contributes to the maintenance of normal energy metabolism and supports the functioning of the nervous and immune systems. The formula is suitable for people on a vegetarian and vegan diet, as it does not contain any animal-derived ingredients. The only problem with taking this vitamin B12 is that you have to manually divide one tablet into four portions to get the daily dose. Taking the whole tablet at once is not recommended.
ForMeds' dietary supplement Bicaps B12 offers 500 µg of vitamin B12 in the form of methylcobalamin, which is easily absorbed by the body. Vitamin B12 plays a key role in maintaining normal homocysteine metabolism and in the production of red blood cells. Additionally, it is important for maintaining mental performance, mental health and the function of the entire nervous system. Vitamin B12 deficiency can lead to dementia, dementia and other age-related diseases. It also strengthens the immune system. The high dose per daily serving of the supplement from ForMeds makes this vitamin suitable for people with severe deficiencies. It is best to test for vitamin B12 levels in the body before taking it.
Vitamin B12 forte, is a dietary supplement providing vitamin B12 in the form of sublingual drops, which are easily absorbed already in the mouth. This product contains a vegan form of vitamin B12 in the form of methylcobalamin and hydroxycobalamin. Kropla B12 forte provides 100 mcg of vitamin B12. The vitamin B12 contained in B12 forte helps with a number of important bodily functions, such as energy production, nervous system function, psychological abilities and the immune system. B12 forte, is a product based on natural ingredients. It is recommended to take one sublingual drop daily. The taste of the supplement is unfortunately not one of the most pleasant, and the pipette has a problem reaching the liquid at the very end.
Vitamin B12 supplementation from Aliness is recommended for vegans and vegetarians. The brand's products use specialised Vcaps® capsules, consisting of only two ingredients: HPMC (plant cellulose) and water. Various chemical forms of vitamin B12 are available on the market, such as cyanocobalamin, hydroxycobalamin, 5 deoxyadenosylcobalamin and methylcobalamin, however methylcobalamin is the best absorbed by the body. Vitamin B12 is involved in processes related to homocysteine metabolism and the production of normal red blood cells. It also contributes to reducing feelings of fatigue and tiredness. The supplement from Aliness contains a very high daily dose of vitamin B12, so it is advisable to consult your doctor before taking it.
