Vitamin B12 (Cobalamin)

Every Vitamin B12 (Cobalamin) form, graded

15 forms scored on published absorption evidence. This is the comparison no supplement brand will publish about its own products.

1. ×1.5Superior absorptionMethylcobalamin, Vitamin B12 (Methylcobalamin)
2. ×1.25Well absorbed5-deoxyadenosylcobalamin, Adenosylcobalamin, Hydroxocobalamin
3. ×1Reference formCyanocobalamin, Vitamin B12, Vitamin B12 (as cobalamin prep.), Vitamin B12 (as methyl & adenosyl cobalamin), Vitamin B12 (Cyanocobalamin), Vitamin B12 (Deoxyadenosycobalamin and Methylcobalamin), Vitamin B12 (from Nutritional yeast), Vitamin B12 (Methyl B12) (Adenosylcobalamin & Methylcobalamin), Vitamin B12 (Yeast)
4. ×0.85Poor absorptionVitamin B12 (Cyanocobalamin) — synthetic

Multipliers are applied to each ingredient's dose score when a product is graded. How multipliers are assigned.

How much Vitamin B12 (Cobalamin) should you take?

SuppScore grades doses across evidence zones rather than against a single recommended figure. Scored information, not a recommendation.

1. Zone 10 to 3 µg per dayLow dose
2. Zone 23 to 8 µg per dayGeneral maintenance dose
3. Zone 38 to 100 µg per dayFor deficiency or elevated need
4. Zone 5100 to 250 µg per dayPractitioner-grade dose
5. Zone 5250 to 500 µg per dayPractitioner-grade dose

Zones describe what the evidence supports at a dose. They are not advice on what to take, and they do not replace a conversation with a doctor or pharmacist.

What is Vitamin B12 (Cobalamin) good for?

Products containing Vitamin B12 (Cobalamin)

Scored products that list it on the label, highest scoring first. Ordering is by SuppScore only. We have no commercial relationship with any brand shown.

Viridian

High Potency Vitamin B12 Veg Caps

SuppScore 92

Biocare

Vitamin B12

SuppScore 73

Thorne

Women's Multi 50+

SuppScore 71

Cytoplan

Methyl Factors

SuppScore 71

Thorne

Women's Multi 50+

SuppScore 68

Biocare

Menopause Multinutrient

SuppScore 68

Biocare

Menopause Multinutrient

SuppScore 67

Biocare

Female Multinutrient

SuppScore 66

Thorne

Basic Nutrients 2/Day NSF-CERTIFIED FOR SPORT^®

SuppScore 66

References

1. pubmed.ncbi.nlm.nih.gov
2. cambridge.org
3. nhs.uk