The Best Peptide & Supplement Stack For Hair Growth, Smart Drugs For An Aging Brain, “Aging Anxiety” & More! Solosode #499

Ben Greenfield

Apr 18, 2026

Episode description

Full Show Notes: https://bengreenfieldlife.com/499

In this fascinating solosode, you'll discover what actually works when it comes to hair restoration, from cutting-edge procedures to the often overlooked factors that determine long-term success. I’ll explain why certain modern transplant techniques are considered the gold standard, and more importantly, what you need to do after the procedure to protect your investment and prevent further loss.

You’ll also explore the rapidly evolving world of peptides, regenerative treatments, and at-home tools that are changing the hair growth game. From under-the-radar compounds and scalp therapies to simple, accessible options you can start using right away, you’ll learn what is truly effective, what may not deliver meaningful results, and what is actually worth considering for your own routine.

Finally, I’ll shift the focus to your brain health and cognitive performance, covering both foundational habits and lesser-known compounds that can help you stay sharp as you age. You’ll gain insights on what truly moves the needle for memory, focus, and long-term brain resilience, along with a few surprising insights about how your mindset and anxiety around aging may be influencing your biology more than you think.

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Mindsip insights from this episode:

Stimulate hair growth with advanced topical peptides after microneedling

Topical peptides like GHK-Copper Peptide and Acetyl Tetrapeptide, applied after microneedling, can stimulate hair growth and may be safer than minoxidil.

Fuel brain function with citicoline and DHA combination

Citicoline is an underrated nootropic that acts like 'gasoline for the brain' and works even better when combined with DHA from sources like fish oil.

Reduce anxiety about aging to slow epigenetic aging

A recent study showed that having greater anxiety about growing old is associated with accelerated epigenetic aging, meaning worrying can literally make you age faster.

Leverage spermidine to enhance cognitive performance in older adults

Spermidine, a compound found in wheat germ and aged cheese, is an underrated nootropic that may improve cognitive performance in older adults by promoting cellular cleanup in the brain.

Supplement taurine to reverse brain aging

A 2023 study in 'Science' found that taurine levels decline dramatically with age, and supplementation in animal models restored markers of brain aging.

Utilize transcranial light therapy to enhance memory and mood

Transcranial near-infrared light therapy, using a device like the Vielight, has been shown in human studies to improve memory, reaction time, and mood.

Address underlying causes to complement hair transplant effectiveness

Follicular unit extraction (FUE) hair transplants do not stop the progressive loss of your native hair if you don't address the underlying causes of hair loss.

Increase creatine intake to boost cognition

For cognitive benefits like improved memory and processing speed, you need a higher dose of creatine, around 8-20 grams per day.

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