Hunter Williams
→ profileProtocol systematizer
Top doses cited
- 10 milligrams11×
- 500 mcg9×
- 1 mg8×
- 250 mcg7×
- 250 micrograms7×
- 25 milligrams6×
Reset Biology Synthesis
Reset Biology suggests the prescribing clinician consider P21 within Hunter's explicit evidence hedge: Hunter Williams, P21 The Brain Peptide (2026-04-08; 4:56; https://library.hunterwilliamshealth.com/p/p21-the-brain-peptide--72289902/): "There are actually no human trials, but there is a good amount of animal data that we'll go over today." For cognitive support, Hunter Williams, Peptide Q&A · April 2026 (2026-04-30; 20:29; https://library.hunterwilliamshealth.com/p/peptide-qa-april-2026--9bc7fd8c/): "Dosing wise, I like 250 micrograms, three to four times per week."
Where they agree
Hunter Williams, P21 The Brain Peptide (2026-04-08; 2:20; https://library.hunterwilliamshealth.com/p/p21-the-brain-peptide--72289902/): "P21 is not a neutropic, but I see it as an adjunct or maybe almost like a diet or light version of cerebral liason." Taylor Williams, Saturday Morning Coffee Talk 1/17/26 (2026-01-17; 01:25:18.800; https://youtu.be/5ugqlYRSRSo): "P21. I think is like the best way to think about is like it's like cerebralin light." Hunter Williams, Peptide Q&A · April 2026 (2026-04-30; 20:29; https://library.hunterwilliamshealth.com/p/peptide-qa-april-2026--9bc7fd8c/): "Dosing wise, I like 250 micrograms, three to four times per week." Taylor Williams, Saturday Morning Coffee Talk 2/28/26 (2026-02-28; 01:57:11.679; https://youtu.be/hgI5Mpc-xDQ): "P21 [clears throat] dosage. I like 250 micrograms. Yep. To start."
Taylor Williams
→ profileFemale-focused HRT + peptides
Taylor Williams Coaching focuses on female-specific HRT/peptide guidance. Per-peptide notes here often emphasize female dosing, fertility, hormone interactions.
Top doses cited
- 40 milligrams27×
- 250 micrograms21×
- 2 mg18×
- 200 milligrams9×
- 150 milligram6×
- 600 milligrams3×
Top sources by mention density
Dr Trevor Bachmeyer
→ profileAcute vs chronic specialist
No content captured for this peptide from this expert.
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