Independent peptide ratings
Look past
the label.
Compare suppliers. See the evidence behind every Merit Score.
01 Follow the evidence
From a supplier’s claims to the sources behind its score.
Scroll to inspectPrice tracking
Live $/mg across peptides
BPC-157
$0.30/mg
87 sellers
MOTS-c
$0.55/mg
86 sellers
PT-141
$0.51/mg
84 sellers
Semax
$0.27/mg
82 sellers
Selank
$0.27/mg
81 sellers
TB-500
$3.00/mg
79 sellers
Ipamorelin
$0.39/mg
78 sellers
GHK-Cu
$0.05/mg
77 sellers
Tesamorelin
$0.54/mg
77 sellers
KPV
$0.28/mg
75 sellers
DSIP
$0.86/mg
74 sellers
AOD-9604
$0.53/mg
71 sellers
CJC-1295
$0.46/mg
70 sellers
Thymosin Alpha-1
$1.03/mg
70 sellers
Epithalon
$0.36/mg
65 sellers
Sermorelin
$0.90/mg
62 sellers
Glutathione
$0.01/mg
60 sellers
Cagrilintide
$0.36/mg
55 sellers
IGF-1 LR3
$25.70/mg
53 sellers
GHK
$0.30/mg
49 sellers
SNAP-8
$0.27/mg
49 sellers
SS-31
$0.83/mg
48 sellers
LL-37
$1.96/mg
46 sellers
ARA-290
$2.66/mg
45 sellers
Pinealon
$1.50/mg
42 sellers
Kisspeptin-10
$1.02/mg
40 sellers
Oxytocin
$0.64/mg
40 sellers
Melanotan II
$0.48/mg
39 sellers
Retatrutide
$0.34/mg
39 sellers
Melanotan I
$0.48/mg
36 sellers
BPC-157 + TB-500
$1.04/mg
35 sellers
Tirzepatide
$0.14/mg
34 sellers
Cartalax
$1.46/mg
33 sellers
GHRP-6
$0.52/mg
31 sellers
Adamax
$0.05/mg
29 sellers
FOXO4-DRI
$3.80/mg
29 sellers
Semaglutide
$0.23/mg
29 sellers
GHRP-2
$0.52/mg
27 sellers
PE-22-28
$2.50/mg
27 sellers
Thymalin
$0.64/mg
26 sellers
AHK-Cu
$0.20/mg
25 sellers
Survodutide
$2.57/mg
24 sellers
Cardiogen
$1.65/mg
23 sellers
CJC-1295/Ipamorelin
$0.56/mg
22 sellers
Dihexa
$0.27/mg
22 sellers
Hexarelin
$0.90/mg
22 sellers
KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)
$0.01/mg
22 sellers
PEG-MGF
$12.60/mg
21 sellers
Vilon
$1.80/mg
21 sellers
GLOW Blend (GHK-Cu + BPC-157 + TB-500)
$0.56/mg
20 sellers
Mazdutide
$2.70/mg
18 sellers
Testagen
$1.65/mg
18 sellers
Tesamorelin + Ipamorelin
$4.06/mg
17 sellers
Gonadorelin
$0.53/mg
16 sellers
Vesugen
$1.80/mg
14 sellers
P21
$7.14/mg
13 sellers
Prostamax
$1.65/mg
13 sellers
Cerebrolysin
$0.11/mg
12 sellers
Adipotide
$1.93/mg
11 sellers
Humanin
$4.60/mg
11 sellers
Thymulin
$1.85/mg
11 sellers
Livagen
$2.10/mg
10 sellers
Vasoactive Intestinal Peptide (VIP)
$4.50/mg
10 sellers
Chonluten
$1.65/mg
9 sellers
Follistatin 344
$32.10/mg
9 sellers
Cortagen
$1.65/mg
8 sellers
MGF
$10.00/mg
8 sellers
ACE-031
$3.20/mg
7 sellers
Matrixyl
$0.85/mg
7 sellers
Ovagen
$1.65/mg
7 sellers
Syn-Ake
$0.24/mg
7 sellers
Thymogen
$2.00/mg
7 sellers
Bronchogen
$2.00/mg
6 sellers
Pancragen
$2.31/mg
6 sellers
CagriSema
$6.60/mg
5 sellers
Semax + Selank
$3.60/mg
5 sellers
Crystagen
$2.95/mg
3 sellers
N-Acetyl Selank Amidate
$4.00/mg
3 sellers
N-Acetyl Semax Amidate
$3.25/mg
3 sellers
Teriparatide
$1.50/mg
3 sellers
BPC-157 + TB-500 + Cartalax
$6.00/mg
2 sellers
GHK-Cu + KPV
$1.40/mg
1 sellers
KPV + GHK-Cu
$0.90/mg
1 sellers
Thymosin Alpha-1 + Thymulin
$8.91/mg
1 sellers
Dermorphin
$7.20/mg
Compare
Price tracking
Live $/mg across 85 peptides
BPC-157
$0.30/mg
87 sellers
MOTS-c
$0.55/mg
86 sellers
PT-141
$0.51/mg
84 sellers
Semax
$0.27/mg
82 sellers
Selank
$0.27/mg
81 sellers
TB-500
$3.00/mg
79 sellers
Ipamorelin
$0.39/mg
78 sellers
GHK-Cu
$0.05/mg
77 sellers
Tesamorelin
$0.54/mg
77 sellers
KPV
$0.28/mg
75 sellers
DSIP
$0.86/mg
74 sellers
AOD-9604
$0.53/mg
71 sellers
CJC-1295
$0.46/mg
70 sellers
Thymosin Alpha-1
$1.03/mg
70 sellers
Epithalon
$0.36/mg
65 sellers
Sermorelin
$0.90/mg
62 sellers
Glutathione
$0.01/mg
60 sellers
Cagrilintide
$0.36/mg
55 sellers
IGF-1 LR3
$25.70/mg
53 sellers
GHK
$0.30/mg
49 sellers
SNAP-8
$0.27/mg
49 sellers
SS-31
$0.83/mg
48 sellers
LL-37
$1.96/mg
46 sellers
ARA-290
$2.66/mg
45 sellers
Pinealon
$1.50/mg
42 sellers
Kisspeptin-10
$1.02/mg
40 sellers
Oxytocin
$0.64/mg
40 sellers
Melanotan II
$0.48/mg
39 sellers
Retatrutide
$0.34/mg
39 sellers
Melanotan I
$0.48/mg
36 sellers
BPC-157 + TB-500
$1.04/mg
35 sellers
Tirzepatide
$0.14/mg
34 sellers
Cartalax
$1.46/mg
33 sellers
GHRP-6
$0.52/mg
31 sellers
Adamax
$0.05/mg
29 sellers
FOXO4-DRI
$3.80/mg
29 sellers
Semaglutide
$0.23/mg
29 sellers
GHRP-2
$0.52/mg
27 sellers
PE-22-28
$2.50/mg
27 sellers
Thymalin
$0.64/mg
26 sellers
AHK-Cu
$0.20/mg
25 sellers
Survodutide
$2.57/mg
24 sellers
Cardiogen
$1.65/mg
23 sellers
CJC-1295/Ipamorelin
$0.56/mg
22 sellers
Dihexa
$0.27/mg
22 sellers
Hexarelin
$0.90/mg
22 sellers
KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)
$0.01/mg
22 sellers
PEG-MGF
$12.60/mg
21 sellers
Vilon
$1.80/mg
21 sellers
GLOW Blend (GHK-Cu + BPC-157 + TB-500)
$0.56/mg
20 sellers
Mazdutide
$2.70/mg
18 sellers
Testagen
$1.65/mg
18 sellers
Tesamorelin + Ipamorelin
$4.06/mg
17 sellers
Gonadorelin
$0.53/mg
16 sellers
Vesugen
$1.80/mg
14 sellers
P21
$7.14/mg
13 sellers
Prostamax
$1.65/mg
13 sellers
Cerebrolysin
$0.11/mg
12 sellers
Adipotide
$1.93/mg
11 sellers
Humanin
$4.60/mg
11 sellers
Thymulin
$1.85/mg
11 sellers
Livagen
$2.10/mg
10 sellers
Vasoactive Intestinal Peptide (VIP)
$4.50/mg
10 sellers
Chonluten
$1.65/mg
9 sellers
Follistatin 344
$32.10/mg
9 sellers
Cortagen
$1.65/mg
8 sellers
MGF
$10.00/mg
8 sellers
ACE-031
$3.20/mg
7 sellers
Matrixyl
$0.85/mg
7 sellers
Ovagen
$1.65/mg
7 sellers
Syn-Ake
$0.24/mg
7 sellers
Thymogen
$2.00/mg
7 sellers
Bronchogen
$2.00/mg
6 sellers
Pancragen
$2.31/mg
6 sellers
CagriSema
$6.60/mg
5 sellers
Semax + Selank
$3.60/mg
5 sellers
Crystagen
$2.95/mg
3 sellers
N-Acetyl Selank Amidate
$4.00/mg
3 sellers
N-Acetyl Semax Amidate
$3.25/mg
3 sellers
Teriparatide
$1.50/mg
3 sellers
BPC-157 + TB-500 + Cartalax
$6.00/mg
2 sellers
GHK-Cu + KPV
$1.40/mg
1 sellers
KPV + GHK-Cu
$0.90/mg
1 sellers
Thymosin Alpha-1 + Thymulin
$8.91/mg
1 sellers
Dermorphin
$7.20/mg
Compare
What are you researching?
Live prices, checked sellers, and the COA evidence for each compound.
Healing & Recovery
BPC-157
from $0.30/mg, 87 sellers
Compare sellers →GLP-1 / Metabolic
Tirzepatide
from $0.14/mg, 34 sellers
Compare sellers →GLP-1 / Metabolic
Retatrutide
from $0.34/mg, 39 sellers
Compare sellers →GLP-1 / Metabolic
Semaglutide
from $0.23/mg, 29 sellers
Compare sellers →Healing & Recovery
TB-500
from $3.00/mg, 79 sellers
Compare sellers →Growth Hormone Secretagogues
Ipamorelin
from $0.39/mg, 78 sellers
Compare sellers →Growth Hormone Secretagogues
CJC-1295
from $0.46/mg, 70 sellers
Compare sellers →Healing & Recovery
GHK-Cu
from $0.05/mg, 77 sellers
Compare sellers →Status tracker
Where things stand
- Upcoming
February 2027
PCAC expected to take up GHK-Cu, LL-37, Dihexa, PEG-MGF, and Melanotan II
- Enforcement
August 2026
FDA sends another wave of warning letters to research-peptide storefronts
- Rulemaking
July 2026
PCAC recommends BPC-157, TB-500, KPV, MOTS-c, Epitalon, and Semax for the 503A list
Codes that work at checked vendors
Confirmed codes at vendors with independent COAs on file, listed by Merit Score.
Pick where to start
Each peptide class shows which labs cover it and how recent the COAs are.
GLP-1 / Metabolic
GLP-1 receptor agonists and related metabolic / weight-management peptides.
Growth Hormone Secretagogues
GHRH analogues and GHS-R agonists (CJC-1295, Ipamorelin, MK-677, etc.).
Healing & Recovery
Peptides studied for tissue repair, wound healing, and recovery from injury.
Immune Modulator
Thymic and immune-modulating peptides.
Melanocortin
Melanocortin receptor agonists (Melanotan II, PT-141, etc.).
Nootropic / Cognitive
Peptides studied for neuroprotection, cognition, and CNS effects.
Recently verified COAs
Newest independent tests as they land. Vendor, peptide, lab, and measured purity.
The peptide aisle, decoded.
Every vendor's independent COAs on file. Every peptide linked to its lab evidence. Updated as new tests land. No paid placement.
Trusted labs
The third-party labs producing COAs in the directory. Ranked by COA volume on file.
Most COAs on file
Vendors ranked by independent COA count. Open a profile to see the lab, batch, purity, and test date.
What the literature says
Citations indexed by peptide and study type. Mechanism, dose-response, where the evidence is strong and where it gets thin.
rct · Ongoing · on Testagen
Product Transference Study of Testagen™ TDS®-Testosterone
This study will assess the potential of Testagen® TDS-Testosterone to enable transfer of Testosterone to females coming in contact with skin to which Testagen® TDS-Testosterone has been applied and the potential of product to raise serum androgen levels in those women.
Open source →cohort · Ongoing · on MOTS-c
Mitophagy and Mitochondrial DNA Dynamics During Ramadan Dry Fasting vs 16:8 Time-Restricted Feeding
This study investigates how different types of fasting affect cell health, specifically focusing on how mitochondria (the energy-producing parts of cells) are cleared and renewed.
Open source →Study · on Kisspeptin-10
Kisspeptin-10/basal LH ratio improves differentiation of central precocious puberty and premature thelarche
Background Distinguishing idiopathic central precocious puberty (ICPP) from premature thelarche (PT) remains a clinical challenge and often necessitates GnRH stimulation testing.
Read on DOI →Pick a peptide, see the evidence on file, and decide if the vendor checks out.
Independent directory. Updated as new evidence and new COAs land.