The Dr. Leaf Show

The Science of Aging Well (What Most People Miss)

The Dr. Leaf Show

Show Notes

Longevity is having a moment. But a lot of the conversation skips past the basics and goes straight to the extreme—biohacks, expensive protocols, the next big thing.

So what actually moves the needle when it comes to aging well?

Dr. Caroline Leaf sits down with Dave Watumull, Co-Founder and CEO of AX3 Life, to talk about one of the most researched—and quietly underrated—compounds in the longevity space: astaxanthin. And while that's where the conversation starts, it goes a lot deeper than supplements.

They get into the real difference between lifespan and healthspan, why your internal environment matters more than any product, and how chronic stress and unmanaged thought patterns can actually speed up biological aging.

They also cover:

What astaxanthin is, where it shows up in nature, and why researchers are paying attention

How oxidative stress and "inflammaging" wear on the body over time

What to actually look for—and push back on—when evaluating supplements

What the latest longevity research tells us, and what it doesn't

The throughline of the whole conversation? You can't out-supplement a stressed mind.

If you want a clearer lens for thinking about long-term health—and where tools like this actually fit in—this one's worth your time.

Resources: Learn more about AX3® Bio-Pure Astaxanthin: https://ax3.life Use code DRLEAF for 20% off your first order

More from The Dr. Leaf Show

Oct 22, 2026

Why does tradwife content pull you in, even if you'd never live that way? My daughter Dominique and I unpack the tradwife trend, the burnout often hiding behind it, and the shame women feel no matter what they choose.

Oct 18, 2026

Sunday scaries creeping in? This bonus episode is for the night before the week starts, when your mind keeps replaying last week and rehearsing the next one.

Oct 18, 2026

People pleasing and peacekeeping can look identical from the outside. One comes from fear. The other comes from strength. Which one are you running on?

Oct 16, 2026

AI and your brain: what happens to your memory, focus, and judgment when a machine does the hard thinking for you? We first aired this last year. It's worth a second listen.

Sep 30, 2026

When life feels like too much, you need something you can do right now. Here's what I do in the first 63 seconds, before the stress takes over.

See all episodes →