The PepGen Lab Science Hub: Longevity Insights & Peptide Research News

Blogs & Insights

Welcome to Blogs & Insights, where scientific literature meets clarity.

Explore peer-reviewed research, laboratory investigations, and emerging data on peptide compounds and related molecular studies.

Content is intended strictly for informational and research purposes.

Retatrutide Phase 3 2026 metabolic peptide research

Retatrutide Phase 3: 7 Important Findings From 2026 Research

Research Overview: What Retatrutide Phase 3 research reveals about triple-receptor signaling, body composition, metabolic biology and the next generation of multi-pathway peptide science Retatrutide Phase 3 research has become one of the most important developments in metabolic and peptide science in 2026. New peer-reviewed results from the TRIUMPH clinical program have moved...

peptide market 2026 and the future of peptide science

Peptide Market 2026: Why Peptide Science Is Entering a New Era

Research Overview: The peptide market 2026 is entering a new stage. What was once a relatively specialized area of biotechnology is increasingly connected to mainstream pharmaceutical development, metabolic research, longevity science, neurobiology and next-generation drug delivery. GLP-1 medicines helped bring peptide therapeutics into global public awareness, but the scientific movement now extends...

FDA peptide regulations 2026 and peptide drug regulation

FDA Peptide Regulations 2026: New Approvals, New Rules & What Comes Next

Research Overview: FDA peptide regulations 2026 have become one of the most important stories in modern peptide science—but the story is much bigger than restrictions. During 2026, the U.S. Food and Drug Administration increased regulatory attention across several parts of the peptide landscape. At the same time, FDA approved a higher-dose semaglutide...

DSIP and Epithalon sleep melatonin and circadian rhythm research

DSIP and Epithalon: Sleep, Melatonin & Circadian Rhythm Research

Research Overview: DSIP and Epithalon represent two very different areas of peptide research connected to sleep, circadian rhythms and neuroendocrine biology. Although both compounds are frequently discussed in the context of sleep research, they should not be treated as two versions of the same “sleep peptide.” Delta Sleep-Inducing Peptide (DSIP) has been...

Semax vs Selank nootropic peptide BDNF and cognitive research

Semax vs Selank: Nootropic Peptides, BDNF & Cognitive Research

Research Overview: Semax vs Selank is one of the most interesting comparisons in nootropic peptide research. Both peptides have been investigated in neuroscience, cognition and neuroregulation, but their structures, research histories and proposed biological pathways are distinctly different. Semax research has focused strongly on BDNF, NGF, neuroplasticity, neuronal signaling and neuroprotection, while...

peptide side effects and peptide safety research

Peptide Side Effects: What Research Actually Shows

Research Overview: earch for peptide side effects online and it is easy to find long lists of warnings presented as though every peptide produces essentially the same effects. Scientifically, that makes little sense. Peptides are an enormous family of biological molecules. Some occur naturally in the human body, some have become established...

2026 peptide pipeline and metabolic peptide research

2026 Peptide Pipeline: What’s Coming Next in Peptide & Metabolic Research?

Research Overview: The 2026 peptide pipeline is moving far beyond the first generation of single-pathway compounds. GLP-1 biology dramatically changed metabolic research, but the next wave is asking a much bigger question: What happens when researchers target multiple biological pathways, develop longer-acting molecules, explore oral peptide delivery and investigate outcomes beyond body...

Epithalon peptide telomerase and longevity research

Epithalon Peptide & Telomerase: Telomeres, Cellular Aging and Longevity Research

Research Overview: Epithalon peptide research sits at the intersection of some of the most fascinating questions in longevity science: Why do cells age? What happens as telomeres shorten? Can telomerase activity be experimentally altered? And what role might short peptides play in cellular aging research? Epithalon—also spelled Epitalon—is the synthetic tetrapeptide Ala-Glu-Asp-Gly...

CJC-1295 vs Ipamorelin

CJC-1295 vs Ipamorelin: Different Pathways, One Growth-Hormone Research Model

Research Overview: CJC-1295 vs Ipamorelin is one of the most searched comparisons in growth-hormone peptide research. Although both compounds are associated with growth-hormone-axis research, they are not two versions of the same peptide and they do not act through the same primary signaling pathway. CJC-1295 is associated with the growth hormone-releasing hormone...