Peptide Research Classes

5 research categories. Each targets distinct receptor pathways with non-overlapping mechanisms.

GLP Receptor Agonists

Apollo uses a tier-based naming convention for this class: GLP-1 S (Semaglutide, single GLP-1R), GLP-2 T (Tirzepatide, dual GLP-1R + GIPR), GLP-3 R (Retatrutide…

−28.7%GLP-3 R Phase 2 (Retatrutide)

−22.5%GLP-2 T Phase 3 (Tirzepatide)

−14.9%GLP-1 S Phase 3 (Semaglutide)

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Gut Recovery Peptides

BPC-157 is the primary gut recovery research compound — a 15-amino-acid synthetic pentadecapeptide with over 40 peer-reviewed publications studying its GI mucos…

40+BPC-157 published studies

15BPC-157 amino acid sequence

3+Distinct mechanisms studied

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Skin & Glow Peptides

GHK-Cu and SNAP-8 represent the two most research-validated cosmetic peptides available. A 2010 genomic analysis found GHK-Cu modulates 4,177 human genes (~31% …

4,177Genes modulated by GHK-Cu

60+GHK-Cu published studies

3GHK-Cu amino acids

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Lean Mass & Longevity

Five compounds spanning four distinct longevity and lean mass research pathways. CJC-1295/Ipamorelin targets the growth hormone axis through complementary GHRH …

~3×IGF-1 LR3 half-life vs native

7Sirtuin targets (NAD+)

4 AAEpithalon sequence length

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Core Protocol Stack

The Core Protocol Stack spans five research layers addressing distinct physiological pathways: Layer 1 — GLP Core (Retatrutide, tri-receptor metabolic research)…

5Protocol layers

10Core compounds

8+Distinct pathway families