STS Methylcobalamin B-12 5000, 90-Count

What the brand says

For optimal absorption this product is designed to dissolve slowly in your mouth preferably under your tongue. Vitamin b-12 is intended to promote healthy nerve function and healthy homocysteine levels. This product also contains methylcobalamin a preferred form of vitamin b-12. Methylcobalamin is thought to be utilized more efficiently by the body than other forms of b-12.