Metabolic Journal

Physician-authored guides on GLP-1s, peptides, and metabolic health.

Easing GLP-1 Side Effects

Easing GLP-1 Side Effects

July 1, 2026 · Metabolic Regen Team

Up to 44% of GLP-1 patients experience nausea, and muscle loss affects nearly 40% on semaglutide. Targeted peptide protocols — BPC-157, Ipamorelin/CJC-1295,…

GLP-1s, Explained

GLP-1s, Explained

June 30, 2026 · Metabolic Regen Team

GLP-1 (glucagon-like peptide-1) is a gut hormone that triggers insulin release, suppresses appetite, and slows gastric emptying. GLP-1 receptor agonists like semaglutide…

Epitalon and Your Telomeres

Epitalon and Your Telomeres

June 29, 2026 · Metabolic Regen Team

Epitalon is a synthetic tetrapeptide and the only compound with published human evidence demonstrating actual telomere lengthening. Developed over 35 years of…

GHK-Cu: The Skin Peptide

GHK-Cu: The Skin Peptide

June 28, 2026 · Metabolic Regen Team

GHK-Cu (copper peptide) is a naturally occurring tripeptide that declines 60% by age 60 — and with it, the skin regeneration, wound…

PT-141: Desire, From the Brain

PT-141: Desire, From the Brain

June 27, 2026 · Metabolic Regen Team

PT-141 (bremelanotide) is the only FDA-approved centrally-acting treatment for sexual desire disorders — working in the brain, not blood vessels. Unlike PDE5…

NAD+: Your Cellular Battery

NAD+: Your Cellular Battery

June 26, 2026 · Metabolic Regen Team

NAD+ levels decline by up to 50% between ages 40–60, creating a cellular energy deficit that contributes to fatigue, cognitive decline, and…

Semaglutide vs. Tirzepatide

Semaglutide vs. Tirzepatide

June 23, 2026 · Metabolic Regen Team

Tirzepatide produces greater average weight loss than semaglutide — but the right choice depends on your metabolic profile. Our endocrinologist breaks down…

TB-500: Whole-Body Recovery

TB-500: Whole-Body Recovery

June 21, 2026 · Metabolic Regen Team

TB-500 is a systemic healing peptide that promotes cell migration, angiogenesis, and anti-inflammation across the entire body. Our physician explains who benefits…

The Growth Hormone Stack

The Growth Hormone Stack

June 20, 2026 · Metabolic Regen Team

Ipamorelin combined with CJC-1295 is the most clinically used peptide stack for growth hormone optimization — improving sleep, body composition, recovery, and…

BPC-157: The Repair Peptide

BPC-157: The Repair Peptide

June 19, 2026 · Metabolic Regen Team

BPC-157 is a physician-prescribed healing peptide with strong clinical evidence for tendon repair, gut healing, and systemic anti-inflammation. Here is what our…

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