I get asked about this one product more than almost anything else in my protocol.

CardioSmile's Breath of Life toothpaste. The world's first nitric oxide–enhancing toothpaste.

I have been brushing with it twice a day for six months. Here's my honest review.

Why a Toothpaste Made It Into a Longevity Protocol

Most people think toothpaste is about cavities. I think about it differently.

Your mouth is a nitric oxide factory. The bacteria on your tongue convert nitrates from food into nitric oxide — the molecule that keeps your blood vessels flexible and your blood pressure in check.

Here's the problem. Nitric oxide production drops as you age. By your 70s, you're making a fraction of what you made at 40.

And most toothpaste makes it worse. Harsh antiseptics and fluoride formulas can wipe out the very bacteria doing that conversion. You brush your teeth and kill your nitric oxide factory at the same time.

CardioSmile went the other direction. Their toothpaste is designed to support nitric oxide production. Fluoride-free. No harsh antimicrobials.

My Thoughts

What I can tell you for certain: I haven't missed a day, and I take it on the road with me. That's the real test of any product in my protocol. The ones that don't earn their spot get cut.

Is It Worth It?

For me, yes. Oral health is one of the most overlooked longevity levers there is — I wrote a whole post on how your mouth predicts how long you'll live. A toothpaste that cleans your teeth and supports the nitric oxide pathway is an easy win.

I'm 71 with a biological age of 56. Every small edge compounds.

Try it here: GaryLeland.com/Toothpaste — that's my affiliate link, which means I may earn a small commission at no cost to you. It helps keep this project going.

Everything I do is public and free at GaryLeland.com.

A note from Gary: I'm not a doctor, and I'm definitely not your doctor. Nothing here is medical advice. Check with your doctor before you copy anything I do.

Stay sovereign, stay healthy.