Peak Peptides

Current lots and published certificates

Every product we list publishes the laboratory's certificate for its current lot — batch number, declared and assayed content, and the tests performed. Look up any batch number directly.

CompoundQuantityBatchAssayPriceCertificate
Peak Burn
Lyophilised powder, multi-dose pen cartridge
98.0 BU-2608-156 99.1% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

Retatrutide — Month 1declared 6mgassayed 6.7 mg
Retatrutide — Month 2declared 18mgassayed 18.6 mg
Retatrutide — Month 3declared 32mgassayed 32.9 mg
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %99.1 %
IdentityESI-MSConforms to theoreticalConforms
TESTMETHODSPECIFICATION RESULTWater content Karl Fischer ≤ 8.0 % 3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Glow
Lyophilised powder, multi-dose pen cartridge
98.0 GL-2608-187 99.8% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

GHK-Cudeclared 100mgassayed 100.2 mg
Ipamorelindeclared 10mgassayed 10.1 mg
CJC-1295declared 10mgassayed 10.0 mg
Epithalondeclared 50mgassayed 49.8 mg
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %99.8 %
IdentityESI-MSConforms to theoreticalConforms
Water contentKarl Fischer≤ 8.0 %3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Libido
Lyophilised powder, multi-dose pen cartridge
98.0 LI-2608-173 99.7% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

HCGdeclared 20,000iuassayed 20,000iu
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %99.7 %
IdentityESI-MSConforms to theoreticalConforms
TESTMETHODSPECIFICATION RESULTWater content Karl Fischer ≤ 8.0 % 3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Pulse
Lyophilised powder, multi-dose pen cartridge
98.0 PU-2608-184 99.8% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

MOTS-Cdeclared 20mgassayed 19.9 mg
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %99.8 %
IdentityESI-MSConforms to theoreticalConforms
TESTMETHODSPECIFICATION RESULTWater content Karl Fischer ≤ 8.0 % 3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Rewind
Lyophilised powder, multi-dose pen cartridge
98.0 RE-2608-146 99.5% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

NAD+declared 500mgassayed 500.7 mg
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %99.5 %
IdentityESI-MSConforms to theoreticalConforms
TESTMETHODSPECIFICATION RESULTWater content Karl Fischer ≤ 8.0 % 3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Sun
Lyophilised powder, multi-dose pen cartridge
98.0 SU-2608-131 99.8% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

Melanotan IIdeclared 30mgassayed 30.1 mg
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %99.8 %
IdentityESI-MSConforms to theoreticalConforms
TESTMETHODSPECIFICATION RESULTWater content Karl Fischer ≤ 8.0 % 3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Wolverine
Lyophilised powder, multi-dose pen cartridge
98.0 WO-2608-117 99.6% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

BPC-157declared 10mgassayed 10.0 mg
TB-500declared 10mgassayed 10.0 mg
GHK-Cudeclared 100mgassayed 99.8 mg
AppearanceVisualWhite lyophilised cakeConforms
TESTMETHODSPECIFICATION RESULTPurity RP-HPLC, 214 nm ≥ 98.0 % 99.6 %
IdentityESI-MSConforms to theoreticalConforms
Water contentKarl Fischer≤ 8.0 %3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g
Peak Youth
Lyophilised powder, multi-dose pen cartridge
98.0 YO-2608-122 98.8% $299
Certificate

Certificate issued 14 July 2026. Manufactured 2026-06-28. Retest 2028-06-28.
Storage: 2–8 °C after reconstitution · protect from light

CJC-1295 DACdeclared 8mgassayed 8.0 mg
AppearanceVisualWhite lyophilised cakeConforms
PurityRP-HPLC, 214 nm≥ 98.0 %98.8 %
IdentityESI-MSConforms to theoreticalConforms
TESTMETHODSPECIFICATION RESULTWater content Karl Fischer ≤ 8.0 % 3.1 %
Bacterial endotoxinLAL kinetic< 0.20 EU/mg< 0.05 EU/mg
Residual TFAIon chromatography≤ 1.0 %0.28 %
Heavy metalsICP-MSWithin limitsConforms
Microbial limitsPlate count< 100 CFU/g< 10 CFU/g

Each row links the certificate of analysis we publish for that product's current lot, with the assay figure exactly as the laboratory reported it.

Check a batch

Enter a batch number from a certificate and read that lot's full record. Batch lookup.

Reordering

Existing customers can repeat a previous order without rebuilding it. Reorder.