nutricost vitamin b12 (methylcobalamin) 2000mcg, 240 capsules - vegetarian caps, non-gmo, gluten free b12 supplement nutricost nutricost's vitamin b12 provides 2000 mcg of vitamin b12 per capsule and 240 capsules per bottle. vitamin b-12 is a water soluble vitamin. nutricost vitamin b12 is non-gmo and gluten free.