The Best Peptide & Supplement Stack For Hair Growth, Smart Drugs For An Aging Brain, “Aging Anxiety” & More! Solosode #499
Apr 18, 2026 · 44m
Summary
In this solo Q&A episode, Ben Greenfield addresses listener questions on hair restoration and cognitive health. He details peptide stacks like GHK-Cu and exosomes for hair growth, alongside microneedling and red light therapy. For brain health, he discusses underrated nootropics such as spermidine, lion’s mane, and CDP-choline, while also covering biohacking tools like tDCS and neurofeedback to combat age-related decline.
Topics discussed
Intro, Copper Supplements, and Digestive Enzymes
Podcast Housekeeping and Listener Questions Intro
Hair Transplants vs. Peptide Stacks for Hair Growth
GHK-Cu, Acetyl Tetrapeptide, and Topical Serums
Microneedling, Red Light Therapy, and Ultra Nicotine
Ben's Personal Hair Growth Protocol Summary
Cognitive Decline: Caffeine, Creatine, and Lithium
Spermidine, Lion's Mane, Choline, and Taurine
Biohacking Tech: tDCS, Photobiomodulation, Neurofeedback
Addressing Root Causes of Cognitive Decline
The Psychology of Aging and Final Thoughts
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