Directory · October 2026

Research peptide directory

Every peptide we track, with the suppliers that list it, the sizes on offer and the price per milligram. Descriptions cover what each material is and how it is sold; nothing here describes use.

40peptides tracked

3677listings indexed

49catalogs read

415certificates on file

Peptide	Class	Suppliers	Listings	Median $/mg	Lowest $/mg	Cheapest listing
Triple-agonist class listings coded triple-agonist names	Triple agonist class	21	139	$8.89	$2.92	Alpha Labs Peptides · 60 mg at $175
GLP-1/GIP dual class listings coded dual-agonist names	Dual incretin agonist class	19	127	$6.36	$1.49	Alpha Peptides · 60 mg at $89.24
BPC-157 Body Protection Compound-157, Pentadecapeptide BPC 157	Synthetic pentadecapeptide	37	109	$7.00	$2.73	Alpha Peptides · 10 mg at $27.29
GHK-Cu Copper peptide, Copper tripeptide-1	Copper-bound tripeptide	36	95	$0.92	$0.20	Umbrella Labs · 400 mg at $79.99
TB-500 Thymosin Beta-4 fragment	Synthetic peptide fragment	38	88	$8.99	$3.13	Alpha Peptides · 10 mg at $31.32
Tesamorelin	Synthetic 44-amino-acid peptide	34	72	$9.00	$3.85	Alpha Labs Peptides · 20 mg at $76.99
Ipamorelin	Synthetic pentapeptide	38	70	$8.00	$2.65	Alpha Peptides · 10 mg at $26.51
MOTS-c	Mitochondrial-derived peptide	35	68	$4.40	$1.84	Alpha Labs Peptides · 40 mg at $73.49
Semax N-Acetyl Semax	Synthetic heptapeptide	32	68	$3.50	$1.94	Peptide Pros · 30 mg at $58.25
NAD+ Nicotinamide adenine dinucleotide	Coenzyme (not a peptide)	32	66	$0.16	$0.03	Umbrella Labs · 2000 mg at $69.99
Sermorelin	Synthetic 29-amino-acid peptide	33	64	$9.10	$3.40	Geo Peptides · 10 mg at $33.99
CJC-1295 (no DAC) Modified GRF 1-29, Mod GRF	Synthetic 29-amino-acid peptide	33	62	$8.60	$2.98	Alpha Peptides · 10 mg at $29.83
Epitalon Epithalon, Epithalone	Synthetic tetrapeptide	33	62	$3.43	$1.10	Enhanced Peptides · 50 mg at $55.00
Selank N-Acetyl Selank	Synthetic heptapeptide	31	61	$4.70	$1.53	Umbrella Labs · 30 mg at $45.99
GLP-1 class listings coded GLP-1 names	GLP-1 receptor agonist class	18	60	$10.67	$4.70	Eternal Peptides · 10 mg at $46.99
BPC-157 + TB-500 blend Wolverine blend	Two-peptide blend	28	59	$6.53	$2.58	Alpha Peptides · 20 mg at $51.68
DSIP Delta sleep-inducing peptide	Nonapeptide	30	53	$8.00	$2.40	Eternal Peptides · 10 mg at $23.99
CJC-1295 (DAC)	Synthetic peptide with DAC	27	52	$12.77	$4.90	Geo Peptides · 10 mg at $48.99
AOD-9604	Synthetic peptide fragment	30	51	$11.00	$3.00	Swiss Chems · 2 mg at $6.00
IGF-1 LR3	Recombinant protein analog	31	51	$85.00	$39.31	Trident Peptide UK · 1 mg at $39.31
PT-141 Bremelanotide	Synthetic cyclic heptapeptide	33	50	$4.00	$2.15	Trident Peptide UK · 10 mg at $21.53
Kisspeptin-10	Decapeptide	26	50	$6.02	$2.66	Alpha Labs Peptides · 10 mg at $26.59
CJC-1295 + Ipamorelin blend	Two-peptide blend	27	49	$7.50	$3.56	Alpha Peptides · 10 mg at $35.57
Glutathione L-Glutathione	Tripeptide	24	49	$0.08	$0.02	Alpha Peptides · 1500 mg at $36.83
KPV	Tripeptide	29	46	$6.00	$2.65	Alpha Peptides · 10 mg at $26.51
Melanotan II MT-2, MT-II	Synthetic cyclic heptapeptide	32	40	$3.70	$2.21	Alpha Peptides · 10 mg at $22.10
LL-37 Cathelicidin fragment	37-amino-acid peptide	26	39	$14.60	$7.16	Alpha Peptides · 5 mg at $35.79
Thymosin Alpha-1 Tα1	28-amino-acid peptide	26	38	$8.00	$3.55	Trident Peptide UK · 10 mg at $35.50
5-Amino-1MQ	Small molecule (not a peptide)	19	38	$3.83	$1.25	Peptide Crafters · 60 mg at $75.00
Amylin-analog class listings	Amylin analog class	20	36	$14.40	$7.00	Alpha Labs Peptides · 10 mg at $69.99
GHRP-6	Synthetic hexapeptide	21	34	$4.00	$1.51	Direct Peptides · 10 mg at $15.11
GHRP-2	Synthetic hexapeptide	19	33	$3.99	$2.41	UK Peptides · 10 mg at $24.13
SS-31 Elamipretide	Synthetic tetrapeptide	16	32	$5.16	$2.18	Peptide Crafters · 39 mg at $85.00
Pinealon	Tripeptide	21	30	$3.40	$0.90	Umbrella Labs · 100 mg at $89.99
Hexarelin	Synthetic hexapeptide	19	30	$9.80	$4.45	Direct Peptides · 5 mg at $22.23
Melanotan I MT-1, Afamelanotide	Synthetic linear peptide	22	29	$3.99	$2.11	Alpha Peptides · 10 mg at $21.05
GLOW blend	Three-peptide blend	16	27	$1.72	$0.73	Alpha Peptides · 70 mg at $50.83
KLOW blend	Four-peptide blend	20	25	$1.62	$0.79	Trident Peptide UK · 80 mg at $63.44
Wolverine blend	Two-peptide blend	4	14	$6.25	$3.88	Paramount Peptides · 40 mg at $155
Bacteriostatic water BAC water	Solvent (not a peptide)	—	—	—	—	no priced listing yet

Price per milligram is computed from the supplier's listed price and stated mass for vial, capsule, nasal and bulk formats; pens are excluded because the device changes the comparison. Non-USD prices are converted at a fixed reference rate and marked on the peptide page.