Vitamin B12Vitamin B12
vitamin
Vitamin B12
Vitamin B12
别名: Cobalamin, Methylcobalamin, Cyanocobalamin, Hydroxocobalamin
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About
Vitamin B12 is essential for methylation reactions, myelin synthesis, and homocysteine metabolism. Deficiency causes demyelination and neurological damage. A study of 202 people found supplementation improved cognition in 84% of deficient patients.
How It Works
Essential cofactor for methylation reactions and myelin synthesis; supports homocysteine metabolism; deficiency causes demyelination and irreversible neurological damage.
Evidence For Conditions
| 健康状况 | 等级 | 研究数量 | 受试者 | |
|---|---|---|---|---|
| Nutritional Deficiency Cognitive Impairment | A | 25 | 3500 | 查看 → |
| Age-Related Cognitive Decline | B | 12 | 2800 | 查看 → |
Side Effects
- Generally very well-tolerated
- Rare: acne-like eruptions at high doses
- Injection site reactions (injectable form)
Drug & Supplement Interactions
- Metformin (reduces B12 absorption)
- Proton pump inhibitors (reduce B12 absorption)
- Colchicine (reduces B12 absorption)
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Related Ingredients
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