In Stock
Natural Factors

Vitamin B12, 1,000 mcg, 60 Tablets

4.7 · 430 reviews
934 ₽

Dietary Supplement Cyanocobalamin Suitable for Vegetarians/Vegans Purity & Potency Guaranteed Cyanocobalamin (vitamin B12) is necessary for energy production, nervous system function, and for the production of cells, especially red blood cells. Isura ™ : Non-GMO: Documentation Mass Spec: Lab Tested

International delivery

Shipping calculated at checkout

Returns & exchanges

Within 30 days of delivery

Dietary Supplement Cyanocobalamin Suitable for Vegetarians/Vegans Purity & Potency Guaranteed Cyanocobalamin (vitamin B12) is necessary for energy production, nervous system function, and for the production of cells, especially red blood cells. Isura ™ : Non-GMO: Documentation Mass Spec: Lab Tested

Customer reviews

3.0
verified purchase
Consistency is Key for Cellular Health and Energy Support

As a water-soluble nutrient, Vitamin B12 cannot be stored by the body in large amounts for long periods. Achieving tangible improvements in red blood cell formation and nervous system function requires daily, long-term adherence. It is not a quick fix, but rather a vital daily investment for sustained cellular energy and cognitive clarity.

8/23/2026
5.0
verified purchase
One of the only vegan cyanocobalamin B12 options!

Was trying to find a high dose cyanocobalamin option with clean, vegan ingredients. Happy to land on this!

8/6/2026
5.0
verified purchase
Love

I recently purchased this item, and I couldn't be happier with my choice! The quality is outstanding, and it performs exactly as advertised. I love how user-friendly it is, making it easy to incorporate into my daily routine. The design is not only attractive but also practical, adding a nice touch to my space. Overall, this item has exceeded my expectations, and I highly recommend it to anyone looking for a reliable and efficient product!

11/27/2025
5.0
verified purchase
Energy

Www thanks iHerb I very like it surely I very like it thanks a lot of

10/13/2025
5.0
verified purchase

Vitamin B12 1,000 mcg gives me a nice boost of energy and supports my nervous system. The tablets are small, easy to take, and work effectively. A great daily supplement for overall wellness.

9/17/2025
5.0
verified purchase
Good

Tablets are small, dissolve quickly under the tongue and have a slightly sweet taste. They give me a noticeable energy boost.

8/26/2025
5.0
verified purchase
Good

Natural Factors Vitamin B12 is an excellent supplement that provides a high-potency dose of 1,000 mcg per tablet, supporting energy production, nervous system health, red blood cell formation, and overall vitality. The tablets are small, easy to swallow, and deliver a reliable amount of B12 to help combat fatigue, support cognitive function, and maintain healthy metabolism. I love that this formula is clean, high-quality, and effective, making it a great choice for those with low energy, strict diets, or increased nutritional needs. After consistent use, I’ve noticed improved energy levels, better focus, and reduced feelings of tiredness. The bottle contains 60 tablets, making it a convenient two-month supply at one tablet per day. Natural Factors is a trusted brand for purity and potency, and this B12 supplement definitely meets expectations. Highly recommended for anyone needing extra energy support, immune function boost, or nervous system balance.

8/23/2025
4.0
verified purchase
I don't know why I got this

I was probably thinking of B complex and good this instead. Don't get me wrong, its not a bad product, but you must be super specific to go just for B12.

8/7/2025
5.0
verified purchase
Must have item

I workout in the gym and I have been taking B12 for a long time, more than 4 years daily . this is my must to have supplement along with healthy diet.

4/27/2025
5.0
verified purchase
Great quality and perfect amount

Bought this for my partner and he only has to take a tablet every two days to keep things good. They are a great way to keep your levels right.

4/12/2025