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Metabolic 6 min read

How Much Weight Can You Lose With Retatrutide? What the Phase 2 Data Shows

The real NEJM Phase 2 numbers for retatrutide: weight loss at 24 and 48 weeks, dose escalation – and why forum reports aren't directly comparable.

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Regeneration 6 min read

BPC-157 Dosage: What Do Animal Studies Actually Show?

Real dosing data from BPC-157 animal studies – from 10 µg/kg in tendon healing to the lack of human data.

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Basics 5 min read

Storing Peptides Correctly: What Actually Matters After Reconstitution

Dry powder vs. reconstituted solution: what practice and available data show about storing research peptides – including the tesamorelin exception.

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Metabolic 7 min read

Semaglutide vs. Tirzepatide vs. Retatrutide: Efficacy Compared

The real trial numbers from STEP-1, SURMOUNT-1, and the retatrutide trials, side by side – and why a direct comparison still has limits.

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Regeneration 6 min read

How Long Does BPC-157 Take to Work? What Animal Studies Show About the Timeline

Functional improvement from day 4, full tendon integrity after 14 days: what published animal models actually show about the BPC-157 timeline.

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Endocrinology 6 min read

CJC-1295 + Ipamorelin: Why Are They Combined? What the Research Shows

A GHRH analog meets a selective ghrelin receptor agonist: the mechanistic logic behind the combination – and why no study exists for this exact pairing.

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Basics 5 min read

Retatrutide vs. Tirzepatide: The Next Generation of Triple Agonists

A detailed comparison of molecular mechanisms of action of GLP-1, GIP, and Glucagon receptor agonists in current studies.

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Regeneration 7 min read

The “Wolverine Stack”: BPC-157 and TB-500 in Connective Tissue Research

How pentadecapeptide BPC-157 and the thymosin beta-4 analog TB-500 address tissue regeneration via different mechanisms in preclinical models.

Anti-Aging 4 min read

GHK-Cu (Glow70): The Biochemical Mechanism Behind Collagen Synthesis

The tripeptide-copper complex and its role in collagen cross-linking, gene expression, and tissue regeneration.

Endocrinology 6 min read

Ghrelin Mimetics and GHRH Analogs: Two Paths to Growth Hormone Release

Why Ipamorelin shows higher receptor selectivity compared to older GHRPs – and how GHRH analogs like Sermorelin and Tesamorelin differ.

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Metabolic 5 min read

NAD+: The Central Cofactor of Cellular Energy Production

Why NAD+ is not a peptide but a coenzyme – and what current research shows about aging and metabolism.

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Skin 5 min read

Melanocortin Receptors: From Pigmentation to Sexual Function

How Melanotan I, Melanotan II, and PT-141 differ in receptor selectivity – and why only part of this drug class is FDA approved.

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Basics 6 min read

Regulatory Overview: Which Peptides Are Drugs, and Which Are Research Compounds?

From approved drugs to WADA-listed compounds – an overview of the widely varying regulatory status of common research peptides.