Vitamin B isn't just one vitamin, it's an entire family of nutrients that your body relies on for nearly everything, from energy production to brain function.

If you've been feeling sluggish, foggy, or rundown, your B levels might be telling you something.

So stay tuned.

There's a good chance that your oral multi-B vitamin is a total waste of money.

That's right, a total waste of money.

And there's a 100% chance that your vitamin B 12 shot is a total waste of money.

That's right, a total waste of money.

How can I be so sure about all this?

Well, first of all, if you're part of the 50% of people who carry one or more of the

mutations of the M-T-H-F-R gene, and if you say that out loud, we will bleep you from network

television, and as I tell my patients, it's the mother-trial. If you say that out loud, we will bleep you from network television.

And as I tell my patients, it's the mother effer gene.

And that's how to remember.

You can take all the B vitamins in the world, and you will not convert particularly vitamin B12 and folic acid into their active forms

because you lack enzymes that convert these B vitamins into their active methylated forms.

So you can keep swallowing them,

but they're not going to do you any good.

Additionally, surprising number of people need a receptor

in the lower part of their intestines called intrinsic factor that's necessary

to absorb methyl B12 into your gut. And if you don't have intrinsic factor, and I'm always amazed how many people don't have

intrinsic factor, you can swallow vitamin B12, you can even swallow the active form of vitamin B12,

methyl cobalamin, and you still won't have any B12 in your bloodstream.

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