 Because this is ChromaMega 50+. We want this for the folks, hey, if you're in your 40s and you feel run down, it's great for you too, but 50s, 60s, 70s, folks in that age bracket, they're not absorbing the B12 as well because they're losing some of the intrinsic factors in the GI tract that are responsible for absorbing the B12. So now you put the B12 energy milk on your tongue.