REGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingFDAFDA advisory committee meetings scheduled: late July 2026RESEARCHTranslational Health Research Into Vascular and Neurocognitive Effects of Weight Loss [NCT07592546]RESEARCHA Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes) [NCT07165028]RESEARCHTirzepatide in the Treatment of Endometrial Cancer [NCT07605247]RESEARCHA Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes During Ramadan [NCT06635057]RESEARCHA Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide [NCT06897475]RESEARCHA Phase 2 Study of Vosoritide in Children With Idiopathic Short Stature [NCT06382155]RESEARCHMetabolic Effects of Angiotensin-(1-7) [NCT02646475]RESEARCHMulti-Site Trial of Tirzepatide for Smoking Cessation [NCT07602699]RESEARCHEvaluation of Tirzepatide as an Adjunct to Buprenorphine for the Treatment of Opioid Use Disorder [NCT06651177]NEWSOorja, run by Acceleron veterans, launches to make new fibrosis drugsREGULATORYRFK Jr.: 14 peptides returning to Category 1 — FDA advisory committee July 2026UPDATESemaglutide and tirzepatide compounding ended — shortage resolved Feb/May 2025REGULATORYBPC-157, TB-500, thymosin alpha-1, CJC-1295, ipamorelin: expected Category 1 reclassification pendingFDAFDA advisory committee meetings scheduled: late July 2026RESEARCHTranslational Health Research Into Vascular and Neurocognitive Effects of Weight Loss [NCT07592546]RESEARCHA Master Protocol of Multiple Agents in Adults With Metabolic Dysfunction-Associated Steatotic Liver Disease (SYNERGY-Outcomes) [NCT07165028]RESEARCHTirzepatide in the Treatment of Endometrial Cancer [NCT07605247]RESEARCHA Study of Tirzepatide (LY3298176) in Participants With Type 2 Diabetes During Ramadan [NCT06635057]RESEARCHA Study of LY3457263 Compared With Placebo in Participants With Type 2 Diabetes on a Stable Dose of Semaglutide or Tirzepatide [NCT06897475]RESEARCHA Phase 2 Study of Vosoritide in Children With Idiopathic Short Stature [NCT06382155]RESEARCHMetabolic Effects of Angiotensin-(1-7) [NCT02646475]RESEARCHMulti-Site Trial of Tirzepatide for Smoking Cessation [NCT07602699]RESEARCHEvaluation of Tirzepatide as an Adjunct to Buprenorphine for the Treatment of Opioid Use Disorder [NCT06651177]NEWSOorja, run by Acceleron veterans, launches to make new fibrosis drugs

For research purposes only. Full disclaimer →

Stack Library

MAHA Stack

Immune Supportintermediate

82

synergy

82
Share
Peptides

3

Avg Daily mcg

2,600

Level

intermediate

Added

May 17, 2026

Overview

The MAHA Stack — inspired by RFK Jr.''s "Make America Healthy Again" movement and his public advocacy for peptide access — combines three of the most evidence-backed peptides into a foundational health optimization protocol covering healing, immunity, and cognitive function. After RFK''s February 2026 announcement that 14 previously banned peptides would return to legal compounding, this combination became one of the most searched peptide stacks online. BPC-157 provides systemic healing support — gut mucosal repair, connective tissue regeneration, anti-inflammatory action, and neurotropic effects across the gut-brain axis. Its broad mechanism makes it a foundational health compound rather than a specialized treatment. Thymosin Alpha-1 is an immune modulator originally isolated from the thymus gland. Unlike crude immune "boosters," it precisely calibrates immune function — enhancing the response against pathogens and abnormal cells while reducing excessive inflammatory signaling that drives autoimmune-type conditions. It activates dendritic cells, NK cells, and T-helper cells while modulating cytokine production. Thymosin Alpha-1 has FDA-approved use in some countries for hepatitis and is extensively studied for chronic fatigue, autoimmune conditions, and cancer immunotherapy support. Semax adds the cognitive and neural component — BDNF upregulation, dopaminergic support, and neuroprotection. This is consistent with the MAHA movement''s emphasis on brain health and cognitive function as core components of overall health. Together, this stack represents a "whole-system" approach: healing the body''s physical tissue, calibrating immune function, and supporting the brain — the three systems most impacted by modern inflammatory lifestyles.

Dosing Protocol

BPC-157

Twice per day· subcutaneous

Read more about BPC-157 →

250 mcg

per dose

Thymosin Alpha-1

2x per week· subcutaneous

Read more about Thymosin Alpha-1 →

1,500 mcg

per dose

Semax

Every day· intranasal

Read more about Semax →

600 mcg

per dose

Goals & Evidence

Whole-system healthImmune calibrationHealingCognitive functionInflammation reduction
Evidence tier:Human Data

Warnings

  • BPC-157 is FDA Category 2, reclassification pending May 2026. Stack peptides individually before combining if new to peptide therapy.

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Disclaimer: This stack is community-submitted and for research purposes only. Peptide Contacts does not verify the safety or efficacy of submitted stacks. Always consult a qualified healthcare professional before using any peptide protocol.