THORNE Vitamina B12 - Metilcobalamina 1 mg - 60 Cápsulas

What is vitamin B12 and why is it important?

Vitamin B12, also known as cobalamin, is an essential nutrient that performs multiple vital functions in the body. It contributes to the normal formation of red blood cells, the functioning of the nervous system, and energy metabolism. In addition, it helps reduce tiredness and fatigue. Without adequate intake, problems such as megaloblastic anemia or neurological deterioration can arise.

Key benefits of vitamin B12

According to the European Food Safety Authority (EFSA), vitamin B12 contributes to:

• Normal red blood cell formation and oxygen transport in the blood.
• Normal functioning of the immune system, helping to defend the body.
• Reduction of tiredness and fatigue, improving daily vitality.
• Normal functioning of the nervous system, including neuronal myelination.
• Normal energy metabolism, transforming food into usable energy.

In addition, B12 is involved in DNA synthesis and in the regulation of homocysteine, a cardiovascular risk factor.

Different forms of vitamin B12: cyanocobalamin vs methylcobalamin

There are two main forms of vitamin B12 in supplements: cyanocobalamin (synthetic and economical) and methylcobalamin (natural active form). Methylcobalamin, which is what this product contains, is directly usable by the body without the need for hepatic conversion. This makes it especially effective for people with absorption problems or who seek optimal bioavailability. Unlike cyanocobalamin, which contains a cyanide group (although in safe doses), methylcobalamin is the predominant form in the blood and brain.

Who needs vitamin B12 supplements?

B12 supplementation is especially relevant for:

• Vegans and vegetarians: B12 is found almost exclusively in animal products, so those who follow plant-based diets must ensure their intake through supplements.
• Older adults: the ability to absorb B12 from food decreases with age due to reduced stomach acid production.
• People with digestive disorders: conditions such as atrophic gastritis, Crohn's disease, or gastric surgeries interfere with absorption.
• Those taking certain medications: such as proton pump inhibitors or metformin, which can reduce B12 levels.

In all these cases, a high-quality methylcobalamin supplement is the most recommended option.

How to choose the best vitamin B12 supplement?

When selecting a B12 supplement, consider the following aspects:

• Active form: methylcobalamin is better absorbed and utilized than cyanocobalamin.
• Adequate dosage: 1 mg (1000 mcg) per capsule is a standard effective dose for maintenance and correction of deficiencies.
• Third-party certification: ensures that the content matches what is indicated on the label and that it is free of contaminants.
• Purity and ingredients: free of gluten, dairy, soy, and other common allergens.

THORNE is a brand recognized for its commitment to quality, endorsed by more than 100 professional sports teams and recommended by health professionals.

Dosage and usage recommendations

It is recommended to take one capsule daily, preferably with water. It can be taken with or without food. Do not exceed the recommended daily dose. Food supplements should not be used as a substitute for a balanced and varied diet. Keep out of reach of children. Store in a cool and dry place.

This product is not intended to diagnose, treat, cure, or prevent any disease.

Frequently Asked Questions (FAQ)

How much vitamin B12 do I need per day?

The reference intake for adults in the EU is 2.5 mcg per day, but many people benefit from higher doses, especially if they have a deficiency or risk factors. Doses of 1 mg (1000 mcg) are safe and common in supplementation.

Does vitamin B12 help with fatigue?

Yes, EFSA recognizes that vitamin B12 contributes to the reduction of tiredness and fatigue. It is a key nutrient for energy metabolism.

Can I take this product if I am vegan?

Absolutely. Methylcobalamin is of non-animal origin and the product is suitable for vegan and vegetarian diets.

Is it necessary to take B12 with other nutrients?

B12 acts in synergy with other B vitamins, such as folate and B6. A balanced diet or a B complex can complement its action.