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Goal-based peptide rankings and head-to-head comparisons, each built from graded evidence and linked to the primary research.
Best Peptides For...
Weight Loss
Compare the most effective peptides for weight loss and fat loss. Evidence-based rankings of semaglutide, tirzepatide, retatrutide, and more.
Recovery
Compare the best peptides for injury recovery, tissue repair, and healing. Evidence-based rankings of BPC-157, TB-500, and more.
Muscle Growth
Compare the best peptides for muscle growth, recovery, and body composition. Evidence-based rankings of CJC-1295, ipamorelin, and more.
Anti-Aging
Compare the best anti-aging peptides for longevity, skin health, cognitive function, and cellular repair. Evidence-based rankings.
Skin Health
Compare the best peptides for skin health, anti-aging, collagen production, and wound healing. Evidence-based rankings.
Sleep
Compare the best peptides for sleep quality: DSIP, ipamorelin, CJC-1295, Selank, epithalon. Evidence-based rankings with dosing.
Gut Health
Compare the best peptides for gut health, intestinal permeability, and inflammatory bowel conditions. Evidence-based rankings.
Joint Health
Compare the best peptides for joint health, tendon repair, and connective tissue recovery. Evidence-based rankings.
Cognitive Enhancement
Compare the best nootropic peptides for focus, memory, and neuroprotection. Evidence-based rankings of Semax, Selank, and more.
Hair Growth
Compare the best peptides for hair growth and follicle health. Evidence-based rankings of GHK-Cu, AHK-Cu, and more.
Beginners
The peptides most often started first, ranked by evidence quality and safety profile rather than popularity.
Sexual Health
Compare peptides for libido, arousal, and hormonal support. Evidence-based rankings of PT-141, kisspeptin-10, and more.
Immune Support
Compare peptides for immune modulation and antimicrobial defence. Evidence-based rankings of thymosin alpha-1, LL-37, and more.
Peptide Comparisons
Semaglutide vs Tirzepatide
Semaglutide vs Tirzepatide: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
BPC-157 vs TB-500
BPC-157 vs TB-500: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
CJC-1295 (DAC) vs Ipamorelin
CJC-1295 (DAC) vs Ipamorelin: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Liraglutide vs Semaglutide
Liraglutide vs Semaglutide: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Semaglutide vs Retatrutide
Semaglutide vs Retatrutide: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Sermorelin vs CJC-1295 (DAC)
Sermorelin vs CJC-1295 (DAC): mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Ipamorelin vs GHRP-6
Ipamorelin vs GHRP-6: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Selank vs Semax
Selank vs Semax: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
GHK-Cu vs BPC-157
GHK-Cu vs BPC-157: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
BPC-157 vs KPV
BPC-157 vs KPV: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
PT-141 vs Melanotan II
PT-141 vs Melanotan II: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Tirzepatide vs Retatrutide
Tirzepatide vs Retatrutide: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
GHRP-2 vs GHRP-6
GHRP-2 vs GHRP-6: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Epithalon vs SS-31 (Elamipretide)
Epithalon vs SS-31 (Elamipretide): mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Tesamorelin vs Ipamorelin
Tesamorelin vs Ipamorelin: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Thymosin Alpha-1 vs TB-500
Thymosin Alpha-1 vs TB-500: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.
Semaglutide vs Orforglipron
Semaglutide vs Orforglipron: mechanism, dosing, evidence grade, and side effects compared side by side, with citations.