Peptide Referee

Peak Lab Peptides review: is it legit?

Live Transparency score 73/100 Checked Oct 15, 2026. Visit peaklabpeptides.com

Our findings in brief

In short: Peak Lab Peptides scores 73/100, higher than 83% of the 192 active vendors we track. It's #23 on our best peptide vendors list.

We haven't lab-tested anything from Peak Lab Peptides, so this covers public evidence only, not product quality. As of Oct 15, 2026:

What checks out

What's missing or unverified

Across 29 peptides that at least three vendors sell, its best prices are typically 3% above the median (12 of 29 below). Compare its prices.

At a glance

Website
peaklabpeptides.com
Status
Live
Domain registered
Oct 9, 2025 (12 months ago)
Registrar
HOSTINGER operations, UAB
Domain expires
Oct 9, 2027
First archived
Feb 27, 2026
Shop platform
WooCommerce
Ships to (stated)
US, worldwide
Payment (stated)
Card
COAs
Batch COAs public
Research-use disclaimer
Yes
Traffic rank (Tranco)
Outside the top 1 million

Transparency checks

Six checks of public information, worth 100 points. The score measures openness, not product quality. How we score.

CheckWhat we foundPointsEvidence
Domain age Registered Oct 9, 2025 (12 months old) 10/20 Registry record
Public certificates of analysis Batch-specific COAs are public 25/25 COA page
Independent lab named on COAs No independent lab named 0/10 —
Business identity Company name published (Peak Lab Peptides LLC); no address found 8/15 Company name
Shipping, refund and terms pages All three found 15/15 Shipping · Refund · Terms
Card or PayPal payment (buyer protection) Site lists card 15/15 Card

Total: 73/100. All six checks completed.

Peak Lab Peptides prices compared

The lowest price per milligram at Peak Lab Peptides for each peptide, against the median listing across all vendors we track. Rank 1 = cheapest vendor for that peptide.

Peptide Peak Lab Peptides $/mg Median $/mg vs median Price rank
GHK-Cu $0.504/mg $0.590/mg −15% 36th of 91
BPC-157 $5.44/mg $5.28/mg +3% 51st of 82
Tesamorelin $8.20/mg $6.62/mg +24% 61st of 78
TB-500 $5.40/mg $6.17/mg −13% 29th of 80
Ipamorelin $3.80/mg $5.42/mg −30% 15th of 77
NAD+ $0.101/mg $0.100/mg +1% 35th of 70
MOTS-c $3.08/mg $3.45/mg −11% 37th of 81
PT-141 (bremelanotide) $4.00/mg $4.00/mg at the median 32nd of 66
Melanotan II $4.90/mg $3.50/mg +40% 55th of 60
SS-31 (elamipretide) $3.84/mg $3.55/mg +8% 28th of 47
Selank $3.36/mg $3.98/mg −15% 14th of 57
Epitalon $1.62/mg $3.00/mg −46% 9th of 75
GLOW blend (GHK-Cu + BPC-157 + TB-500) $1.49/mg $1.34/mg +11% 8th of 13
Sermorelin $9.10/mg $7.50/mg +21% 46th of 62
DSIP $3.63/mg $5.10/mg −29% 11th of 64
Kisspeptin-10 $3.40/mg $5.28/mg −36% 7th of 49
Melanotan I $4.20/mg $3.41/mg +23% 29th of 38
ARA-290 (cibinetide) $4.40/mg $4.63/mg −5% 18th of 48
GHRP-6 $4.20/mg $4.60/mg −9% 10th of 23
LL-37 $11.60/mg $8.50/mg +36% 24th of 39
CJC-1295 + Ipamorelin blend $6.48/mg $5.20/mg +25% 33rd of 47
GHRP-2 $3.02/mg $4.60/mg −34% 5th of 23
Thymalin $3.70/mg $3.50/mg +6% 11th of 22
Follistatin $120.90/mg $111.96/mg +8% 6th of 12
5-Amino-1MQ $4.40/mg $2.90/mg +52% 45th of 57
AHK-Cu $0.880/mg $0.615/mg +43% 20th of 24
CJC-1295 without DAC (Mod GRF 1-29) $8.32/mg $6.80/mg +22% 51st of 67
HGH Fragment 176-191 $12.96/mg $8.99/mg +44% 15th of 15
PEG-MGF $16.50/mg $19.98/mg −17% 4th of 14

Price index: 1.03 (1.00 = market median; lower is cheaper), across 29 peptides sold by 3+ vendors.

All 71 Peak Lab Peptides listings, with sizes and prices
Peptide Product Size Price $/mg vs median Stock Vendor's page
5-Amino-1MQ 5-amino-1mq 10-Vial Kit 10 mg × 10 $352 $3.52/mg +21% In stock View
5-Amino-1MQ 5-amino-1mq 10 mg $44 $4.40/mg +52% In stock View
5-Amino-1MQ 5-amino-1mq 10-Vial Kit 5 mg × 10 $266 $5.32/mg +83% In stock View
5-Amino-1MQ 5-amino-1mq 5 mg $33 $6.65/mg +129% In stock View
AHK-Cu AHK-Cu Peptide 100 mg $88 $0.880/mg +43% In stock View
AHK-Cu AHK-Cu Peptide 50 mg $51 $1.02/mg +66% In stock View
ARA-290 (cibinetide) Ara-290 (10mg) 10 mg $44 $4.40/mg −5% In stock View
BPC-157 BPC-157 10-Vial Kit 10 mg × 10 $435 $4.35/mg −17% In stock View
BPC-157 BPC-157 10-Vial Kit 5 mg × 10 $267 $5.34/mg +1% In stock View
BPC-157 BPC-157 10 mg $54 $5.44/mg +3% In stock View
BPC-157 BPC-157 5 mg $33 $6.68/mg +27% In stock View
CJC-1295 + Ipamorelin blend CJC-1295 No DAC + Ipamorelin – 5mg + 5mg (10mg total) 10 mg $65 $6.48/mg +25% In stock View
CJC-1295 without DAC (Mod GRF 1-29) CJC-1295 No DAC 10 mg $83 $8.32/mg +22% In stock View
CJC-1295 without DAC (Mod GRF 1-29) CJC-1295 No DAC 5 mg $51 $10.24/mg +51% In stock View
DSIP DSIP 15 mg $54 $3.63/mg −29% In stock View
DSIP DSIP 10 mg $45 $4.48/mg −12% In stock View
DSIP DSIP 5 mg $34 $6.84/mg +34% In stock View
Epitalon Epithalon 10-Vial Kit 50 mg × 10 $646 $1.29/mg −57% In stock View
Epitalon Epithalon 50 mg $81 $1.62/mg −46% In stock View
Epitalon Epithalon 10-Vial Kit 10 mg × 10 $282 $2.82/mg −6% In stock View
Epitalon Epithalon 10 mg $35 $3.53/mg +18% In stock View
Follistatin Follistatin-344 (1mg) 1 mg $121 $120.90/mg +8% In stock View
GHK-Cu GHK-Cu 10-Vial Kit 100 mg × 10 $403 $0.403/mg −32% In stock View
GHK-Cu GHK-Cu 100 mg $50 $0.504/mg −15% In stock View
GHK-Cu GHK-Cu 10-Vial Kit 50 mg × 10 $282 $0.565/mg −4% In stock View
GHK-Cu GHK-Cu 50 mg $35 $0.706/mg +20% In stock View
GHRP-2 GHRP-2 Acetate 10 mg $30 $3.02/mg −34% In stock View
GHRP-2 GHRP-2 Acetate 5 mg $26 $5.24/mg +14% In stock View
GHRP-6 GHRP-6 Acetate 10 mg $42 $4.20/mg −9% In stock View
GHRP-6 GHRP-6 Acetate 5 mg $26 $5.24/mg +14% In stock View
GLOW blend (GHK-Cu + BPC-157 + TB-500) GLOW Blend 10-Vial Kit (GHK-Cu 50mg, BPC-157 10mg, TB-500 10mg) 70 mg × 10 $834 $1.19/mg −11% In stock View
GLOW blend (GHK-Cu + BPC-157 + TB-500) GLOW Blend 70mg (GHK-Cu 50mg, BPC-157 10mg, TB-500 10mg) 70 mg $104 $1.49/mg +11% In stock View
HGH Fragment 176-191 HGH Fragment 176-191 5 mg $65 $12.96/mg +44% In stock View
HGH Fragment 176-191 HGH Fragment 176-191 2 mg $28 $13.90/mg +55% In stock View
Ipamorelin Ipamorelin 10-Vial Kit 10 mg × 10 $304 $3.04/mg −44% In stock View
Ipamorelin Ipamorelin 10 mg $38 $3.80/mg −30% In stock View
Ipamorelin Ipamorelin 10-Vial Kit 5 mg × 10 $232 $4.64/mg −14% In stock View
Ipamorelin Ipamorelin 5 mg $29 $5.80/mg +7% In stock View
Kisspeptin-10 KissPeptin-10 10 mg $34 $3.40/mg −36% In stock View
Kisspeptin-10 KissPeptin-10 5 mg $30 $6.00/mg +14% In stock View
LL-37 LL-37 (5mg) 5 mg $58 $11.60/mg +36% In stock View
Melanotan I Melanotan I 10 mg $42 $4.20/mg +23% In stock View
Melanotan II MT-2 (Melanotan 2) – 10mg 10 mg $49 $4.90/mg +40% In stock View
MOTS-c MOTS-c 10-Vial Kit 40 mg × 10 $984 $2.46/mg −29% In stock View
MOTS-c MOTS-c 40 mg $123 $3.08/mg −11% In stock View
MOTS-c MOTS-c 10-Vial Kit 10 mg × 10 $320 $3.20/mg −7% In stock View
MOTS-c MOTS-c 10 mg $40 $4.00/mg +16% In stock View
NAD+ NAD+ 10-Vial Kit 1000 mg × 10 $808 $0.081/mg −19% In stock View
NAD+ NAD+ 10-Vial Kit 500 mg × 10 $448 $0.090/mg −10% In stock View
NAD+ NAD+ 1000 mg $101 $0.101/mg +1% In stock View
NAD+ NAD+ 500 mg $56 $0.112/mg +12% In stock View
NAD+ NAD+ 10-Vial Kit 100 mg × 10 $208 $0.208/mg +108% In stock View
NAD+ NAD+ 100 mg $26 $0.260/mg +160% In stock View
PEG-MGF PEG-MGF 2mg 2 mg $33 $16.50/mg −17% In stock View
PT-141 (bremelanotide) PT-141 10mg 10 mg $40 $4.00/mg median In stock View
Selank Selank 10/11mg 11 mg $37 $3.36/mg −15% In stock View
Sermorelin Sermorelin 10-Vial Kit 10 mg × 10 $728 $7.28/mg −3% In stock View
Sermorelin Sermorelin 10-Vial Kit 5 mg × 10 $408 $8.16/mg +9% In stock View
Sermorelin Sermorelin 10 mg $91 $9.10/mg +21% In stock View
Sermorelin Sermorelin 5 mg $51 $10.20/mg +36% In stock View
SS-31 (elamipretide) SS-31 50 mg $192 $3.84/mg +8% In stock View
SS-31 (elamipretide) SS-31 10 mg $82 $8.24/mg +132% In stock View
TB-500 TB-500 10-Vial Kit 10 mg × 10 $432 $4.32/mg −30% In stock View
TB-500 TB-500 10 mg $54 $5.40/mg −13% In stock View
TB-500 TB-500 10-Vial Kit 5 mg × 10 $304 $6.08/mg −2% In stock View
TB-500 TB-500 5 mg $38 $7.60/mg +23% In stock View
Tesamorelin Tesamorelin 10-Vial Kit 10 mg × 10 $656 $6.56/mg −1% In stock View
Tesamorelin Tesamorelin 10 mg $82 $8.20/mg +24% In stock View
Tesamorelin Tesamorelin 10-Vial Kit 5 mg × 10 $504 $10.08/mg +52% In stock View
Tesamorelin Tesamorelin 5 mg $63 $12.60/mg +90% In stock View
Thymalin Thymalin 10 mg 10 mg $37 $3.70/mg +6% In stock View

Prices come from each vendor's public product feed and were last fetched Oct 15, 2026. They exclude shipping and discounts. $/mg uses the labeled amount, not measured content. How we compare prices.

Alternatives to Peak Lab Peptides

Live vendors selling the same peptides as Peak Lab Peptides, ranked by transparency score. Payments from vendors never affect this order.

# Vendor Status Transparency Domain age COAs Ships to Prices tracked Lab tests
1 Pure Peptide Labs Live 90/100 12 months Batch COAs public US, worldwide 44 —
2 Peptidology Live 90/100 22 months Batch COAs public US 3 —
3 Eros Peptides Live 87/100 3.4 years Generic COAs only US 14 —
4 Nationwide Peptides Live 85/100 11 months Batch COAs public US 38 —
5 Mile High Compounds Live 85/100 15 months Batch COAs public US, worldwide 2 —

Is something wrong?

If you run Peak Lab Peptides, or you have evidence that something here is out of date, email [email protected] with a link to the evidence. We re-check within five business days and log every change on our corrections page.

Evidence we used (19)