Cyanocobalamin｜HerbBB ingredient encyclopedia

Why supplement?

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The most common B12 salt

Cyanocobalamin is stable and the most studied. The body then converts it to methyl- and adenosylcobalamin. Oral absorption is poor when intrinsic factor is lacking. The uses are myelin and blood formation.

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Myelin and blood formation

Cyanocobalamin is a source of Vitamin B12. B12 maintains nerves and normal blood formation. This form can be taken by mouth when intrinsic factor is intact; vegan diets have almost no food source.

How to take it

With foodMay be taken on an empty stomach or with food; if it bothers you, switch to after a meal

Best timeMorning or midday

Forms include cyanocobalamin and methylcobalamin; choose as a clinician advises.

General wellness2.4 mcg/day for adults; 2.6 mcg/day in pregnancy

Specific needsNo official UL; typical adult supplement daily safety upper limit is about 1,000–2,000 mcg. deficiency treatment (high-dose oral or injection)must be decided by a clinician using lab tests.

How oftenUse the recommended daily intake or a clinician's directions.

What to watch

Cautions

Vegans, people after gastrointestinal surgery, or those using metformin/acid-suppressing drugs should consider checking B12 status.

Numbness in the hands or feet, weakness, or tongue inflammation should be checked by a doctor, not only self-supplemented.

Common side effects

· Usually well tolerated by mouth

Rare but important

· Allergic reactions after injection are rare.

Long-term dependenceDoes not cause addiction or typical tolerance.