World Cup, Sunscreen, Hair Regrowth, Caffeine Chewing Gum, and more...

Dave Asprey

Jun 12, 2026

Episode description

Semaglutide Slows Biological Aging

A randomized, placebo-controlled study published in Nature Communications found semaglutide slowed biological aging markers by nine percent on the DunedinPACE epigenetic clock in adults living with HIV-associated metabolic disease, with simultaneous improvements across inflammation, heart, kidney, liver, and brain markers. Host Dave Asprey breaks down why this isn't a weight loss story. It's a metabolic inflammation story. He explains why the GLP-1 mechanism hitting insulin signaling, oxidative stress, and inflammatory pathways simultaneously is the real finding, and makes the case that your metabolic markers and your aging markers are the same numbers.

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FDA Approves First New Sunscreen Ingredient in 20 Years

The FDA approved bemotrizinol as a permitted OTC sunscreen active ingredient, the first new approval in roughly two decades, clearing it for adults and children six months and older with broad UVA and UVB coverage and low skin absorption. Host Dave Asprey explains why twenty years of regulatory lag left American consumers with inferior chemistry while Europe moved on, why he's watching independent absorption data before updating his own stack, and why consistency of use matters more than perfect formulation when sun protection remains one of the most evidence-backed longevity interventions available.

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Mindsip insights from this episode:

Boost muscular strength with caffeinated gum before training

Caffeinated chewing gum provides a small but real boost to muscular strength within 5-25 minutes before training due to faster absorption through the cheek.

#nutrition

#strength

Optimize health before crowded events with sleep, nutrition, and supplements

To prepare for a high-exposure event like a conference, spend the 2-3 days prior getting sleep debt to zero, cutting alcohol, and ensuring your vitamin D and zinc levels are in range.

#immune-system

#supplement

Avoid vitamin A toxicity by monitoring retinol intake

Vitamin A toxicity comes from the preformed retinol form which accumulates in the liver, not from beta-carotene which the body converts more conservatively.

#liver

#supplement

Utilize deoxyribose gel for potential hair regrowth

A topical gel made from deoxyribose, the sugar backbone of DNA, showed hair regrowth in mice comparable to minoxidil, possibly by improving local circulation.

#circulation

#hair-loss

Reduce metabolic inflammation to slow biological aging with Ozempic

A study found semaglutide (Ozempic) slowed biological aging markers by 9%, suggesting that reducing deep metabolic inflammation can reverse aging clocks across multiple organ systems.

#aging

#semaglutide

Wait for independent data before trusting new sunscreen ingredient Bemotrizinol

Despite the FDA approving the new sunscreen ingredient Bemotrizinol, it's wise to wait for independent absorption data before trusting it, as chemical filters often have more complex absorption than initially claimed.