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The Journal
Peptide science, one system at a time.
Plain-language articles drawn from the Targeted Peptide Systems books: the reasoning behind protocols, the mistakes people make, and what the current research does and doesn’t show. Every article cites its sources and the book pages it comes from. None of it is dosing advice.
Latest articles
Repair
The Immune Rules Most Peptide Protocols Ignore
Why BPC-157, TB-500 and GHK-Cu underperform in inflamed tissue, and the four immune rules that fix protocol design.
Repair
Peptide Protocol Sequencing: Why the Order Matters More Than the Stack
Healing runs in phases, and each compound has one where it helps most. Five sequencing principles, explained plainly.
Repair
Why Regenerative Peptides Don’t Work: The Cellular Battery Problem
Repair runs on cellular energy. What happens when mitochondria decline, and what SS-31, MOTS-c, Humanin and NAD+ are meant to address.
Repair
Leaky Gut and Systemic Inflammation: The Peptides That Protect the Gut Lining
How a weakened gut barrier drives inflammation body-wide, how the microbiome shapes immune tolerance, and where BPC-157 and KPV fit.
Metabolic
Metabolism Is an Information System: Retatrutide, GHRH vs GHRP, and the Logic of Stacking
How retatrutide works, the real difference between GHRH and GHRP, and why adding GH peptides too early backfires.
Browse by system
Repair
Immune regulation, sequencing, the gut barrier and cellular energy. Companion articles to Regenerative Resilience.
Metabolic
Metabolism and body composition
Incretins, the growth hormone axis and mitochondrial signalling. Companion articles to Metabolic Precision.
Want the whole framework?
The articles are starting points. The books hold the full reasoning, compound profiles and case models.
See the book seriesTry the Protocol BuilderEducational information only, not medical advice. Published by NuTide Paradigm.