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Description
Look for methylated B12 (methylcobalamin), hydroxocobalamin, adenosylcobalamin or a supplement with a combination of these forms.* *A note on cyanocobalamin: Cyanocobalamin is the most commonly used form of B12 in supplements, however it is of questionable safety

I am 62 and I am taking a vit b12 spray under my tongue

A 5 mg dose then becomes 1.0 mL (100 units), not 0.5 mL (50 units)

Can lifestyle changes support BDNF function regardless of my genotype
