super-easy to swallow, super small, super fresh, and now, on top of that, mark, the b12 energy melts with probioticsan, two amazing supplements for free today. take advantage. >> dr. levin, before i let you go, touch again on those b12 energy melts with probiotics. i mean, people love the energy and the digestive support, and now, for the first 1,000 callers, you're giving away these, as well, right? >> absolutely. this is a fabulous nutrient, and for this show, mark, i demanded this. you know, we're dealing with 50-plusers, and at that point, we may not be absorbing b12 as well as we used to. and that's because we're losing some of the intrinsic factors in our gi tract that are responsible for absorbing b12. so, here's what you do. you put a b12 energy melt on your tongue. tastes delicious, melts in seconds, and it can help boost your b12 levels. what do you feel?? , wellif you were low on b12,, you really can feel the differenceand that's because b12 helps make the red blood cells that carry oxygen to your tissues. the b6 and folic acid help support healthy circulation. and, mark, the biotin in th