LL-37

As of September 27, 2026, PepAssess found LL-37 at 74 vendors. Lowest price $4.60/mg, median $9.00/mg. Vendors are ranked by evidence score, not by price or payment.

#	Vendor	Doses (mg)	From	Best $/mg	Evidence score ⓘ
1	Alpha Peptidesalpha-peptides.com	5	$36 ↗	$7.16	77
2	BBioLongevity Labsbiolongevitylabs.com	5	$95 ↗	$19	77
3	Peptides Collectivepeptidescollective.com · out of stock	10	$59 ↗	—	72
4	Nationwide Peptidesnationwidepeptides.com	5, 10	$69 ↗	—	70
5	Licensed Peptideslicensedpeptides.com	5	$100 ↗	$20	69
6	Royal Peptides USA Canadaroyal-peptides.com	5, 10	$390 ↗	—	68
7	Northwest Peptidesnorthwestpeptides.com	5	$50 ↗	$10	67
8	Nextgen Pepsnextgenpeps.com · out of stock	—	$54 ↗	—	67
9	Saiyan Medsaiyanmed.com	5	$151 ↗	$30	65
10	Ez Peptidesezpeptides.com	10	$78 ↗	$7.80	64
11	Paramount Peptidesparamountpeptides.com	5, 10	$75 ↗	$8.50	64
12	Fit Aminosfitaminos.com	5	$0.00 ↗	—	63
13	VMAX Peptidesvmaxpeptides.com	5	$35 ↗	$6.98	61
14	Peptide Giantspeptidegiants.com	5	$45 ↗	$9.00	61
15	Legionlegionpeptides.com	10	$48 ↗	$4.80	60
16	Aurevenaaurevenaresearch.com	5	$45 ↗	$9.00	59
17	AAscension Peptidesascensionpeptides.com	10	$89 ↗	$8.90	58
18	Alpha Omega Peptidealphaomegapeptide.com	5, 10	$45 ↗	—	58
19	Amino Science Labsaminoscience.io	5	$28 ↗	$5.60	57
20	ZZENERGYzenergyusa.com	5	$38 ↗	$7.60	56
21	Receptor Chemreceptorchem.co.uk	—	$35 ↗	—	55
22	Well Elevationwellelevation.com	5	$42 ↗	$8.42	54
23	Simple Peptidesimplepeptide.com	5, 10	$45 ↗	—	54
24	BCBiotech Compoundsbiotechcompounds.com	5	$44 ↗	$8.80	53
25	Evolve Peptidesevolvepeptides.com	2, 5	$40 ↗	$14	53
26	Disguised Alphadisguisedalpha.com	—	$50 ↗	—	53
27	Modern Research Peptidesmodernresearchpeptides.net	5	$38 ↗	$7.60	52
28	Pure Tested Peptidespuretestedpeptides.com	10	$79 ↗	$7.90	52
29	StrikePoint Peptidesstrikepointpeptides.com	5	$84 ↗	$17	52
30	Mile High Compoundsmilehighcompounds.is	—	$40 ↗	—	50
31	Tydestydes.is	4	$70 ↗	$18	49
32	Almighty Peptidesalmightypeptides.com	5	$149 ↗	$30	49
33	AMArizona-mallarizona-mall.com	—	$16 ↗	—	49
34	Myoasis Labsmyoasislabs.com	10	$65 ↗	$6.50	48
35	Swiss Chemsswisschems.is	5	$72 ↗	$14	48
36	Yoursomayoursoma.com	5	$83 ↗	$17	48
37	PPPinnacle Performancepinnaclep3.com	5	$70 ↗	$14	47
38	Cenexa Labscenexalabs.com	5	$90 ↗	$18	47
39	Ascend Scienceascend.science	—	$75 ↗	—	47
40	Peaklabpeptides.Compeaklabpeptides.com	5	$58 ↗	$12	46
41	Core Peptides Directcorepeptidesdirect.com	5	$54 ↗	$11	45
42	PEPTIDE.Powerpeptidepowereu.is	5	$62 ↗	—	45
43	Kalyx Labskalyx-labs.com	5	$35 ↗	$7.00	44
44	GenX Peptidesgenx.bio · out of stock	5	$75 ↗	—	43
45	ABAlpha BioMedalphabiomedlabs.com	5, 10	$80 ↗	$8.00	42
46	BBioPure Peptidesbiopurepeptides.com	10	$120 ↗	$12	42
47	Biotech Peptidesbiotechpeptides.com	5	$86 ↗	$17	42
48	Pure Peptide Factorypurepeptidefactory.com	10	$70 ↗	$7.00	39
49	Alpha Pepsalphapeps.com	5	$40 ↗	$8.00	39
50	Bench Grade Peptidesbenchgradepeptides.com	5	$92 ↗	$18	39
51	999PurityPeptides99puritypeptides.com	1	$65 ↗	—	39
52	Novaglo Researchnovagloresearch.com	5	$40 ↗	$8.00	38
53	CCore Peptidescorepeptides.com	5	$89 ↗	$18	36
54	QLQing Li Peptideqinglishangmao.com	—	$0.00 ↗	—	36
55	Priority Aminospriorityaminos.com	5	$67 ↗	$13	35
56	Valor Peptidesvalorpeptides.com	10	$46 ↗	$4.60	34
57	Amc Essentialsamc-essentials.com	5	$43 ↗	$8.60	32
58	Zesty Ratzestyratresearch.com	5	$60 ↗	$12	32
59	AusBioLabsausbiolabs.shop	5	$89 ↗	—	32
60	Peptaurapeptaura.com	—	$28 ↗	—	32
61	Ms Peptidesmspeptides.com	5	$36 ↗	$7.20	31
62	XLR8xlr8peptides.com	5	$70 ↗	$14	31
63	AIO Peptidesaiopeptides.com	5	$36 ↗	$7.20	29
64	True Peptide Labstruepeptidelabs.com	5	$40 ↗	$8.00	29
65	Kinetic Compoundskineticcompounds.st	10	$94 ↗	—	28
66	Helix Bio Chemhelixbiochem.com	1	$78 ↗	—	28
67	Glacier Aminosglacieraminos.shop	5	$35 ↗	$7.00	27
68	WFN Researchwfnresearch.com	5	$500 ↗	—	24
69	Raw Aminorawamino.com	5	$87 ↗	$17	22
70	Ps Peptidespspeptides.com	5	$80 ↗	$16	21
71	Peptimepeptime.org	5	$157 ↗	$31	8
72	Retatrutide Bestellenretatrutidenederland.com	5	$60 ↗	—	8
73	Retatrutide Kopenretatrutidekopen.com	5	$60 ↗	—	8
74	EElegance Peptideselegancelaboratories.com	5	$79 ↗	$16	3

Prices come from each vendor's own public store data and may exclude shipping, discounts or bulk pricing. Research-use products; not medical advice.