Peptide Research Blog
The latest developments in peptide research, from clinical trial results and regulatory shifts to compound comparisons and emerging industry trends.
Latest Peptide Articles
Selank vs Semax: The Russian Nootropic Peptide Comeback
Selank and Semax are Russia's two best-known nootropic peptides. One is heading back to FDA review; the other isn't. Compare mechanisms and research.

UPDATE: FDA Picks 7 Peptides for July 2026 Reclassification Vote
The FDA will vote on reclassifying BPC-157, TB-500, KPV, MOTS-c, DSIP, Epitalon, and Semax for pharmacy compounding at the July 23-24 PCAC meeting.

BPC-157 & America's Drug Approval System
BPC-157 sits in a dead zone: too developed to dismiss, too underdeveloped to approve, too risky to invest in, too in demand to disappear. This piece explains how it got there and why it stays there.

Are Oral Peptides Here? Inside the Breakthrough and What's Next
Oral semaglutide just proved cardiovascular benefit, Eli Lilly cleared Phase 3, and a microneedle pill raised a billion dollars. Where the oral peptide era actually stands, and what it means for research peptides.

CJC-1295 vs CJC-1295 with DAC: Which One Fits Your Goals?
Two versions of the same peptide, completely different experiences. Here is how to decide which CJC-1295 variant actually fits your lifestyle and goals.

Peptide Therapy for Sleep Optimization: The Quiet Trend Reshaping Recovery in 2026
Peptide therapy is quietly becoming the most promising frontier in sleep science. From DSIP to growth hormone secretagogues, here's how peptides are being studied for deep sleep and recovery.

UPDATE: Retatrutide Clears First Phase 3 Diabetes Trial — 16.8% Weight Loss, 2.0% A1C Drop
Eli Lilly’s triple-agonist retatrutide delivered superior A1C and weight reductions in its first Phase 3 diabetes trial. Full TRANSCEND-T2D-1 breakdown.

GHK vs GHK-Cu: What Changes When Copper Is Added?
GHK and GHK-Cu are the same tripeptide separated by one copper ion. That ion changes stability, gene expression, and nearly every biological effect. Here is the full comparison.

Oral vs Injectable Peptides: Bioavailability and Effectiveness
Oral peptides face massive bioavailability barriers, but real exceptions exist. We break down the evidence for oral semaglutide, BPC-157, collagen peptides, and emerging delivery tech.

Best Peptides for Hair Growth: What Actually Works
GHK-Cu, PTD-DBM, and other peptides for hair growth ranked by research evidence. What the science says, what's proven, and what's still hype.