Superior Source No Shot B12 delivers you a combination of potent 1,000 mcg of activated Vitamin B12, as methylcobalamin, plus a full day's supply of Vitamin B6 and Folic Acid, three critical B vitamins required for control of elevated homocysteine levels that are linked to increased risk of heart disease. Studies have documented the efficacy of methyl B12 in slowing down or even reversing negative effects on your nerve tissue, also playing a role in balancing your brain chemicals and synthesizing neurotransmitters, which are the chemical means of communication between your nerve cells. What's more, methyl B12 has exhibited beneficial effects against brain aging, irregular sleep patterns, and it may also support healthy immune function and promote normal cell growth. And the Superior Source instant-dissolve tablets dissolve immediately under your tongue, getting right to work in your body!