Peptides DB

Research-centric peptide and protocol reference hub

Peptides by Category

Each hub below lists the peptides most-studied for a specific research goal, ranked by approved-study count. Click through to a hub for the ranked list, then to any peptide for its full research profile.

Best Peptides for Weight Loss10 peptides

Research-backed peptides for weight loss and fat reduction. GLP-1 agonists, amylin analogs, and GH-axis peptides compared with mechanism, dosing, and study data.

Best Peptides for Muscle Growth4 peptides

Peptides studied for muscle hypertrophy, strength, and recovery. GH secretagogues, IGF-1 analogs, and myostatin inhibitors with mechanism, dosing, and study data.

Best Peptides for Healing & Recovery5 peptides

Peptides studied for soft-tissue repair, tendon and ligament recovery, and post-injury healing. BPC-157, TB-500, GHK-Cu, and more — with research data.

Best Peptides for Skin & Aesthetics3 peptides

Peptides studied for skin regeneration, wrinkle reduction, and dermal repair. Copper peptides (GHK-Cu, AHK-Cu), Argireline, Matrixyl, SNAP-8, and more.

Best Peptides for Sleep & Circadian1 peptide

Peptides studied for sleep quality, deep sleep, and circadian regulation. DSIP, Pinealon, Epitalon, and GH-axis peptides with research data.

Best Peptides for Longevity10 peptides

Peptides studied for longevity, cellular aging, telomere maintenance, and senescence. Epitalon, NAD+, Glutathione, SS-31, FOXO4-DRI and more.

Best Peptides for Cognitive & Nootropic8 peptides

Peptides studied for memory, focus, neuroprotection, and synaptic plasticity. Semax, Selank, Cerebrolysin, Dihexa, P21 and more.

Best Peptides for Sexual Health1 peptide

Peptides studied for libido, sexual dysfunction, fertility, and reproductive hormone modulation. PT-141, Kisspeptin, HCG, Gonadorelin and more.

Best Peptides for Immune & Inflammation3 peptides

Peptides studied for immune modulation and inflammation control. KPV, Thymosin Alpha-1, LL-37, Thymulin, Thymalin and more.

Best Peptides for Metabolic6 peptides

Peptides studied for metabolic health, glucose regulation, mitochondrial function, and energy. NAD+, MOTS-c, SS-31, AICAR, GLP-1 agonists.

Best Peptides for Joint Pain & Tendon Repair3 peptides

Peptides studied for joint pain, tendon and ligament repair, and connective-tissue regeneration. BPC-157, TB-500, GHK-Cu, MGF, Cartalax.

Best Peptides for Hair Growth1 peptide

Peptides studied for hair follicle stimulation and hair regrowth. AHK-Cu (Copper Tripeptide-3), GHK-Cu, Thymulin and more.

Best Peptides for Energy & Performance3 peptides

Peptides studied for energy, mitochondrial function, exercise capacity, and athletic performance. NAD+, MOTS-c, AICAR, L-Carnitine, SLU-PP-332.

Best Peptides for Anti-Aging6 peptides

Peptides studied for anti-aging — telomerase, mitochondrial repair, senescence, and skin/cellular renewal. Epitalon, NAD+, GHK-Cu, SS-31, FOXO4-DRI.