On this episode of the Ben Greenfield Fitness Podcast,

Infection that appears to have shut down the global economy,

and there is in-controvertible evidence that vitamin D is actually one of the most powerful strategies you can use to optimize your immune system.

Where do we reach the law of diminishing returns with vitamin D shutting down

what would normally be considered a natural inflammatory response?

With it one simple strategy by optimizing your vitamin D levels,

it's my number one recommendation, my number one step when people ask me how do I get healthy

is just you got to look at your vitamin D levels.

Health, performance, nutrition, longevity, ancestral living, biohacking, and much more.

My name is Ben Greenfield. Welcome to the show.

Well today I got my good friend, you know I'm not going to tell you who he is. He's back on the show though.

He's a multi-time super popular, occasionally controversial, repeat guest, you're in dig him.

And you're also going to dig this, Black Friday. Black Friday sale,

I decided to open up the portals at my company, Keon.

I'm going to give away up to 100 bucks in gift cards with every purchase,

and the more you spend, the more you save.

Not only that I'm going to add a free gift to the first hundred orders of every day starting tomorrow.

At the time this podcast comes out November 27th, first hundred orders, if you get up early,

and you're on top of it, I'm going to throw in a free gift.

There's no discount code required. You just go to get Keon.com.

So you're going to get free money because again we're giving away up to 100 dollars in gift cards with every purchase,

the more you spend, the more you save. And then if you're an early bird,

...