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
$0.16/mg
90 sellers
MOTS-c
$0.50/mg
88 sellers
PT-141
$0.51/mg
85 sellers
Selank
$0.27/mg
82 sellers
Semax
$0.27/mg
82 sellers
TB-500
$2.50/mg
82 sellers
GHK-Cu
$0.03/mg
80 sellers
Ipamorelin
$0.23/mg
80 sellers
KPV
$0.35/mg
80 sellers
Tesamorelin
$0.35/mg
79 sellers
DSIP
$1.90/mg
77 sellers
CJC-1295
$2.89/mg
74 sellers
Thymosin Alpha-1
$3.20/mg
73 sellers
AOD-9604
$3.02/mg
72 sellers
Epithalon
$0.70/mg
67 sellers
Glutathione
$0.01/mg
64 sellers
Sermorelin
$2.50/mg
64 sellers
Cagrilintide
$0.65/mg
58 sellers
IGF-1 LR3
$38.00/mg
54 sellers
GHK
$0.03/mg
52 sellers
SNAP-8
$0.49/mg
51 sellers
ARA-290
$2.75/mg
50 sellers
SS-31
$1.05/mg
48 sellers
LL-37
$3.25/mg
47 sellers
Oxytocin
$2.25/mg
42 sellers
Pinealon
$1.70/mg
42 sellers
Melanotan II
$1.30/mg
41 sellers
Kisspeptin-10
$2.60/mg
39 sellers
Retatrutide
$0.63/mg
39 sellers
BPC-157 + TB-500
$1.11/mg
35 sellers
Melanotan I
$2.10/mg
35 sellers
Adamax
$0.06/mg
34 sellers
Cartalax
$1.46/mg
33 sellers
Tirzepatide
$0.50/mg
33 sellers
FOXO4-DRI
$3.60/mg
31 sellers
GHRP-6
$2.00/mg
31 sellers
AHK-Cu
$0.20/mg
30 sellers
Semaglutide
$0.50/mg
30 sellers
Thymalin
$1.79/mg
29 sellers
PE-22-28
$2.50/mg
28 sellers
CJC-1295/Ipamorelin
$0.19/mg
26 sellers
GHRP-2
$2.00/mg
26 sellers
Survodutide
$3.60/mg
26 sellers
Cardiogen
$1.41/mg
23 sellers
Dihexa
$0.27/mg
23 sellers
Hexarelin
$6.00/mg
23 sellers
PEG-MGF
$10.00/mg
22 sellers
KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)
$0.01/mg
21 sellers
GLOW Blend (GHK-Cu + BPC-157 + TB-500)
$0.56/mg
20 sellers
Vilon
$1.95/mg
20 sellers
Tesamorelin + Ipamorelin
$3.14/mg
19 sellers
Testagen
$1.95/mg
19 sellers
Gonadorelin
$6.51/mg
17 sellers
Mazdutide
$4.90/mg
16 sellers
Prostamax
$2.10/mg
14 sellers
Vesugen
$1.13/mg
14 sellers
Adipotide
$6.50/mg
13 sellers
Livagen
$2.10/mg
13 sellers
P21
$7.20/mg
13 sellers
Cerebrolysin
$0.64/mg
12 sellers
Humanin
$4.60/mg
11 sellers
Thymulin
$1.85/mg
11 sellers
Vasoactive Intestinal Peptide (VIP)
$4.50/mg
10 sellers
Follistatin 344
$36.00/mg
9 sellers
ACE-031
$36.00/mg
8 sellers
Chonluten
$2.00/mg
8 sellers
Cortagen
$2.50/mg
8 sellers
MGF
$10.00/mg
8 sellers
Matrixyl
$0.85/mg
7 sellers
Syn-Ake
$0.24/mg
7 sellers
Thymogen
$2.00/mg
7 sellers
Ovagen
$2.50/mg
6 sellers
Bronchogen
$2.00/mg
5 sellers
Pancragen
$2.50/mg
5 sellers
CagriSema
$2.86/mg
4 sellers
Semax + Selank
$3.60/mg
4 sellers
BPC-157 + TB-500 + Cartalax
$1.36/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
GHK-Cu + KPV
$1.40/mg
2 sellers
HGH Fragment 176-191
$5.00/mg
2 sellers
BPC-157 + KPV
$1.80/mg
1 sellers
Crystagen
$2.95/mg
1 sellers
Dermorphin
$16.60/mg
1 sellers
KPV + GHK-Cu
$0.90/mg
1 sellers
Price tracking
Live $/mg across 86 peptides
BPC-157
$0.16/mg
90 sellers
MOTS-c
$0.50/mg
88 sellers
PT-141
$0.51/mg
85 sellers
Selank
$0.27/mg
82 sellers
Semax
$0.27/mg
82 sellers
TB-500
$2.50/mg
82 sellers
GHK-Cu
$0.03/mg
80 sellers
Ipamorelin
$0.23/mg
80 sellers
KPV
$0.35/mg
80 sellers
Tesamorelin
$0.35/mg
79 sellers
DSIP
$1.90/mg
77 sellers
CJC-1295
$2.89/mg
74 sellers
Thymosin Alpha-1
$3.20/mg
73 sellers
AOD-9604
$3.02/mg
72 sellers
Epithalon
$0.70/mg
67 sellers
Glutathione
$0.01/mg
64 sellers
Sermorelin
$2.50/mg
64 sellers
Cagrilintide
$0.65/mg
58 sellers
IGF-1 LR3
$38.00/mg
54 sellers
GHK
$0.03/mg
52 sellers
SNAP-8
$0.49/mg
51 sellers
ARA-290
$2.75/mg
50 sellers
SS-31
$1.05/mg
48 sellers
LL-37
$3.25/mg
47 sellers
Oxytocin
$2.25/mg
42 sellers
Pinealon
$1.70/mg
42 sellers
Melanotan II
$1.30/mg
41 sellers
Kisspeptin-10
$2.60/mg
39 sellers
Retatrutide
$0.63/mg
39 sellers
BPC-157 + TB-500
$1.11/mg
35 sellers
Melanotan I
$2.10/mg
35 sellers
Adamax
$0.06/mg
34 sellers
Cartalax
$1.46/mg
33 sellers
Tirzepatide
$0.50/mg
33 sellers
FOXO4-DRI
$3.60/mg
31 sellers
GHRP-6
$2.00/mg
31 sellers
AHK-Cu
$0.20/mg
30 sellers
Semaglutide
$0.50/mg
30 sellers
Thymalin
$1.79/mg
29 sellers
PE-22-28
$2.50/mg
28 sellers
CJC-1295/Ipamorelin
$0.19/mg
26 sellers
GHRP-2
$2.00/mg
26 sellers
Survodutide
$3.60/mg
26 sellers
Cardiogen
$1.41/mg
23 sellers
Dihexa
$0.27/mg
23 sellers
Hexarelin
$6.00/mg
23 sellers
PEG-MGF
$10.00/mg
22 sellers
KLOW Blend (GHK-Cu + BPC-157 + TB-500 + KPV)
$0.01/mg
21 sellers
GLOW Blend (GHK-Cu + BPC-157 + TB-500)
$0.56/mg
20 sellers
Vilon
$1.95/mg
20 sellers
Tesamorelin + Ipamorelin
$3.14/mg
19 sellers
Testagen
$1.95/mg
19 sellers
Gonadorelin
$6.51/mg
17 sellers
Mazdutide
$4.90/mg
16 sellers
Prostamax
$2.10/mg
14 sellers
Vesugen
$1.13/mg
14 sellers
Adipotide
$6.50/mg
13 sellers
Livagen
$2.10/mg
13 sellers
P21
$7.20/mg
13 sellers
Cerebrolysin
$0.64/mg
12 sellers
Humanin
$4.60/mg
11 sellers
Thymulin
$1.85/mg
11 sellers
Vasoactive Intestinal Peptide (VIP)
$4.50/mg
10 sellers
Follistatin 344
$36.00/mg
9 sellers
ACE-031
$36.00/mg
8 sellers
Chonluten
$2.00/mg
8 sellers
Cortagen
$2.50/mg
8 sellers
MGF
$10.00/mg
8 sellers
Matrixyl
$0.85/mg
7 sellers
Syn-Ake
$0.24/mg
7 sellers
Thymogen
$2.00/mg
7 sellers
Ovagen
$2.50/mg
6 sellers
Bronchogen
$2.00/mg
5 sellers
Pancragen
$2.50/mg
5 sellers
CagriSema
$2.86/mg
4 sellers
Semax + Selank
$3.60/mg
4 sellers
BPC-157 + TB-500 + Cartalax
$1.36/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
GHK-Cu + KPV
$1.40/mg
2 sellers
HGH Fragment 176-191
$5.00/mg
2 sellers
BPC-157 + KPV
$1.80/mg
1 sellers
Crystagen
$2.95/mg
1 sellers
Dermorphin
$16.60/mg
1 sellers
KPV + GHK-Cu
$0.90/mg
1 sellers
What are you researching?
Live prices, checked sellers, and the COA evidence for each compound.
Healing & Recovery
BPC-157
from $0.16/mg, 90 sellers
Compare sellers →GLP-1 / Metabolic
Tirzepatide
from $0.50/mg, 33 sellers
Compare sellers →GLP-1 / Metabolic
Retatrutide
from $0.63/mg, 39 sellers
Compare sellers →GLP-1 / Metabolic
Semaglutide
from $0.50/mg, 30 sellers
Compare sellers →Healing & Recovery
TB-500
from $2.50/mg, 82 sellers
Compare sellers →Growth Hormone Secretagogues
Ipamorelin
from $0.23/mg, 80 sellers
Compare sellers →Growth Hormone Secretagogues
CJC-1295
from $2.89/mg, 74 sellers
Compare sellers →Healing & Recovery
GHK-Cu
from $0.03/mg, 80 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 →Study · on Oxytocin
Salivary oxytocin and testosterone in empathic stress responding: a pilot study
Suffering the stress of others (termed empathic stress or stress contagion) may affect an individual's health and well-being.
Read on DOI →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 →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.