Witamina B12 - Kobalamina

Jarrow Formulas

Methyl B-12 500 mcg

NOW Foods

Ultra B-12 Liquid

Nordaid

B12 Spray

NOW Foods

Methyl B-12 1000 mcg

Life Extension

Vitamin B12 Methylcobalamin 500 mcg

Puritan's Pride

B-12 5000 mcg