Thymosin Alpha-1

As of September 27, 2026, PepAssess found Thymosin Alpha-1 at 120 vendors. Lowest price $4.00/mg, median $7.62/mg. Vendors are ranked by evidence score, not by price or payment.

#	Vendor	Doses (mg)	From	Best $/mg	Evidence score ⓘ
1	Pivot Labs Globalpivotlabsglobal.com	5, 10	$80 ↗	$15	78
2	Alpha Peptidesalpha-peptides.com	10	$41 ↗	$4.14	77
3	BBioLongevity Labsbiolongevitylabs.com	10	$130 ↗	$13	77
4	Optima Supplyoptimasupply.is	—	$65 ↗	—	77
5	Hydro Research Peptideshydroresearchpeptides.com	10	$65 ↗	$6.50	76
6	Forge Performance Coforgeperformanceco.com	10	$60 ↗	$6.00	75
7	Peptides Collectivepeptidescollective.com	10	$49 ↗	$4.90	72
8	Nationwide Peptidesnationwidepeptides.com	5, 10	$67 ↗	—	70
9	Ng Peptidengpeptide.com	10	$0.00 ↗	—	69
10	Licensed Peptideslicensedpeptides.com	5, 10, 20, 30, 40	$62 ↗	—	69
11	GLP-1 Research Labglp1researchlab.com	—	$80 ↗	—	69
12	Royal Peptides USA Canadaroyal-peptides.com	5, 10	$55 ↗	—	68
13	Northwest Peptidesnorthwestpeptides.com	10	$80 ↗	$8.00	67
14	Evo Labs Researchevolabsresearch.co	—	$60 ↗	—	67
15	Nextgen Pepsnextgenpeps.com	—	$67 ↗	—	67
16	Saiyan Medsaiyanmed.com	5, 10	$105 ↗	—	65
17	Ez Peptidesezpeptides.com	10	$58 ↗	$5.80	64
18	Paramount Peptidesparamountpeptides.com	10	$98 ↗	$9.78	64
19	Fit Aminosfitaminos.com	—	$120 ↗	—	63
20	Livewell Peptideslivewellpeptides.com	—	$110 ↗	—	62
21	Blank Peptidesblankpeptides.com	10	$75 ↗	$7.50	61
22	American Peptidesamericanpeptides.us	10	$125 ↗	$13	61
23	Peptide Giantspeptidegiants.com	5, 10	$35 ↗	—	61
24	VMAX Peptidesvmaxpeptides.com	5, 10	$35 ↗	—	61
25	Advanced Research Peptidesadvancedresearchpep.com	10	$64 ↗	$6.40	60
26	Legionlegionpeptides.com	5, 10, 15	$66 ↗	—	60
27	Aurevenaaurevenaresearch.com	10	$140 ↗	$14	59
28	Spartan Peptidesspartanpeptides.com	—	$99 ↗	—	59
29	AAscension Peptidesascensionpeptides.com	10	$71 ↗	$7.10	58
30	Alpha Omega Peptidealphaomegapeptide.com	10	$86 ↗	$8.60	58
31	Prime Peptide Solutionsprimepepsolutions.com	—	$68 ↗	—	57
32	ZZENERGYzenergyusa.com	10	$55 ↗	$5.50	56
33	Stack Researchstack-research.com	—	$125 ↗	—	56
34	Amino Researchaminoresearch.net	10	$50 ↗	$5.00	55
35	Receptor Chemreceptorchem.co.uk	—	$40 ↗	—	55
36	Well Elevationwellelevation.com	10	$85 ↗	$8.53	54
37	Simple Peptidesimplepeptide.com	10	$86 ↗	$8.60	54
38	Aminovaultaminovault.com	10	$89 ↗	$8.93	54
39	Pinnacle Peptide Labspinnaclepeptidelabs.com	10	$60 ↗	$6.00	53
40	BCBiotech Compoundsbiotechcompounds.com	10	$97 ↗	$9.70	53
41	Evolve Peptidesevolvepeptides.com	5	$60 ↗	$12	53
42	Disguised Alphadisguisedalpha.com	5, 10	$50 ↗	—	53
43	nova biolabsnova-biolabs.com	10	$290 ↗	—	53
44	StrikePoint Peptidesstrikepointpeptides.com	—	$47 ↗	—	52
45	Modern Research Peptidesmodernresearchpeptides.net	—	$37 ↗	—	52
46	Nextechlaboratoriesnextechlaboratories.com	10	$65 ↗	$6.50	51
47	Rhome Researchrhomeresearch.com	10	$50 ↗	$5.00	50
48	Puratek Peptidespuratekpeptides.com	10	$60 ↗	$6.00	50
49	Mile High Compoundsmilehighcompounds.is	—	$70 ↗	—	50
50	Tydestydes.is	6, 10	$75 ↗	$7.50	49
51	PBPure Bio Labspurebiolabs.com	5, 10	$70 ↗	$10	49
52	StarBiostarbio.org	—	$40 ↗	—	49
53	Peptides Costa Ricapeptidescostarica.net	10	$67,764 ↗	—	49
54	Vyal Labsvyallabs.com	—	$139 ↗	—	49
55	Myoasis Labsmyoasislabs.com	10	$65 ↗	$6.50	48
56	Yoursomayoursoma.com	16	$124 ↗	$7.75	48
57	Swiss Chemsswisschems.is	5, 50	$64 ↗	—	48
58	Alpha Pro Peptidesalphapropeptides.com	5, 10	$30 ↗	$4.00	47
59	Cenexa Labscenexalabs.com	10	$130 ↗	$13	47
60	STSwiss-Tides.Comswiss-tides.com · out of stock	10	$65 ↗	—	47
61	Ascend Scienceascend.science	—	$75 ↗	—	47
62	Peaklabpeptides.Compeaklabpeptides.com	—	$55 ↗	—	46
63	Core Peptides Directcorepeptidesdirect.com	10	$50 ↗	$5.00	45
64	Atomixatomixresearch.com	5	$40 ↗	$8.00	45
65	PEPTIDE.Powerpeptidepowereu.is	5	$91 ↗	—	45
66	Peptide Partnerspeptide.partners · out of stock	10, 20, 50, 100, 200	$98 ↗	—	45
67	PPurePharmaspurepharmas.com	5, 10	$49 ↗	—	44
68	Apex Aminoapexamino.com	10	$65 ↗	$6.50	43
69	GenX Peptidesgenx.bio	3	$44 ↗	$15	43
70	Trulab Peptidestrulabpeptides.com	10	$69 ↗	$6.90	42
71	ABAlpha BioMedalphabiomedlabs.com	10	$80 ↗	$8.00	42
72	BBioPure Peptidesbiopurepeptides.com	5, 10	$85 ↗	$11	42
73	Biotech Peptidesbiotechpeptides.com	10	$130 ↗	$13	42
74	Sparta Labsspartalabs.net	—	$70 ↗	—	42
75	OOptic Labsopticlabsau.com	10	$95 ↗	$9.50	41
76	Super Peptidessuperpeptides.com	50	$262 ↗	$5.24	39
77	Alpha Pepsalphapeps.com	5, 10	$40 ↗	$5.50	39
78	Bench Grade Peptidesbenchgradepeptides.com	5	$87 ↗	$17	39
79	Pure Peptide Factorypurepeptidefactory.com	5, 10	$50 ↗	—	39
80	999PurityPeptides99puritypeptides.com	10	$70 ↗	—	39
81	RRivn Researchrivnresearch.com	5, 10	$40 ↗	—	38
82	Novaglo Researchnovagloresearch.com	5, 10	$40 ↗	—	38
83	BioInfinitybioinfinity.co	—	$70 ↗	—	37
84	CCore Peptidescorepeptides.com	5, 10	$81 ↗	—	36
85	Ez Pepsezpeps.com	10	$60 ↗	$6.00	35
86	Valor Peptidesvalorpeptides.com	10	$55 ↗	$5.50	34
87	Bulk Peptidesbulkpeptides.com	5	$200 ↗	$40	34
88	Amc Essentialsamc-essentials.com	5	$40 ↗	$8.00	32
89	AusBioLabsausbiolabs.shop	10	$79 ↗	—	32
90	Zesty Ratzestyratresearch.com	5, 10	$70 ↗	—	32
91	Peptaurapeptaura.com	—	$27 ↗	—	32
92	Ms Peptidesmspeptides.com	10	$66 ↗	$6.60	31
93	XLR8xlr8peptides.com	10	$90 ↗	$9.00	31
94	Peptides For Lesspeptidesforless.net	—	$75 ↗	—	31
95	Voltera Sciencesvolterasciences.com	10	$60 ↗	$6.00	30
96	True Peptide Labstruepeptidelabs.com	10	$65 ↗	$6.50	29
97	AIO Peptidesaiopeptides.com	5	$44 ↗	$8.80	29
98	Kinetic Compoundskineticcompounds.st	10	$49 ↗	—	28
99	NOX Peptides Onlinenoxpeptides.st	10	$70 ↗	—	28
100	Helix Bio Chemhelixbiochem.com	10	$102 ↗	—	28
101	Void Researchvoidresearch.shop	—	$50 ↗	—	28
102	Glacier Aminosglacieraminos.shop	10	$64 ↗	$6.40	27
103	Baltic Peptidesbalticpeptides.com · out of stock	10	$70 ↗	—	27
104	Core Power Peptidescorepowerpeptides.is · out of stock	5, 10	$68 ↗	—	23
105	Raw Aminorawamino.com	5, 10	$69 ↗	—	22
106	Peptydspeptyds.com	—	$79 ↗	—	22
107	Ps Peptidespspeptides.com	10	$55 ↗	$5.50	21
108	REVITRALABS.COMrevitralabs.com	10	$119 ↗	$12	20
109	Northline Labsnorthlinelabs.org	—	$100 ↗	—	17
110	Peporapeporalabs.com	10	$90 ↗	$9.00	16
111	Adera Stateaderastate.com	—	$89 ↗	—	16
112	Pioneer Peptidepioneerpeptide.ca	10	$65 ↗	—	16
113	Project Aminoprojectamino.io	—	$99 ↗	—	16
114	Huatai Peptidehuataipeptide.com	5, 10	$121 ↗	—	14
115	Futureproof Peptidesfutureproofpeptides.com · out of stock	10	$50 ↗	—	11
116	Peptimepeptime.org	5, 10	$168 ↗	$28	8
117	Retatrutide Kopenretatrutidekopen.com	—	$60 ↗	—	8
118	BSBlackline Scientificblacklinescientific.com	10	$65 ↗	$6.50	7
119	BScience Based Peptidessciencebasedpeptides.com	—	$40 ↗	—	7
120	EElegance Peptideselegancelaboratories.com	5, 10	$41 ↗	$8.20	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.