should you take extra vitamin b12 along with b complex
How Much B12 Should I Take? Vitamin B12 Supplements If you get a good multivitamin, it should have enough of the most active form of vitamin B12 (methylcobalamin). If it doesnât, or if you get deficient in B12 or any of the B complex of vitamins, you should take an extra supplement.he B vitamins all work together in your body, so taking them together is a good idea. Sublingual is a fancy name for a supplement that you hold under your tongue. The idea is that the vitamin gets absorbed directly into your blood stream through the thin skin on the underside of your tongue.