Peak Lab Peptides
Updated Nov 1, 2026
01At a glance
Named lab · Lot COA · HPLC · Mass spec · Outside tested
Accessible
No warning letter, no copied name
02Testing
Bioviridian
COA policy says select batches, COAs on request.
Product pages say every batch
Purity, identity.
03Prices
Prices run 12% below the median.
68 comparable compound and size pairs
18% below market on Aug 26, 2026, 12% below on Oct 31, 2026.
Carries 57 of our compounds (171 listings)
99% of listings in stock; prices checked 1 Nov 2026
| Compound | Lead size | Store $/mg | Market median $/mg | Difference |
|---|---|---|---|---|
| Tirzepatide | 10 mg | $6.67 | $7.00 | -5% |
| Retatrutide | 10 mg | $8.34 | $7.95 | 5% |
| HGH (Somatropin) | Not comparable | Not comparable | Not comparable | Not comparable |
| BPC-157 | 10 mg | $4.86 | $5.50 | -12% |
| DSIP (Delta Sleep-Inducing Peptide) | 5 mg | $6.09 | $7.00 | -13% |
| Ipamorelin | 10 mg | $3.26 | $5.50 | -41% |
| NAD+ | 500 mg | $0.10 | $0.14 | -29% |
| Semaglutide | 10 mg | $5.98 | $6.90 | -13% |
| GHK-Cu | 50 mg | $0.63 | $0.80 | -21% |
| Kisspeptin | 10 mg | $2.97 | $5.50 | -46% |
| MOTS-c | 10 mg | $3.70 | $5.00 | -26% |
| TB-500 / Thymosin Beta-4 | 10 mg | $4.86 | $6.40 | -24% |
| 5-Amino-1MQ | 50 mg | Not comparable | $1.60 | Not comparable |
| AHK-Cu | 100 mg | $0.77 | $0.59 | 29% |
| CJC-1295 no DAC (Mod GRF 1-29) | 5 mg | $9.14 | $7.80 | 17% |
| CJC-1295 with DAC | 5 mg | Not comparable | $10.40 | Not comparable |
| Epitalon | 10 mg | $3.15 | $4.00 | -21% |
| GHRP-2 | 5 mg | $4.64 | $4.00 | 16% |
| GHRP-6 | 5 mg | $4.64 | $4.40 | 5% |
| HGH Fragment 176-191 | 5 mg | $12.96 | $8.80 | 47% |
| IGF-1 DES | 1 mg | Not comparable | $50.00 | Not comparable |
| Ipamorelin + CJC-1295 (no DAC) blend | 10 mg | $5.80 | $6.00 | -3% |
| L-Carnitine (Levocarnitine) | 600 mg | Not comparable | $0.08 | Not comparable |
| Lipo-C (MIC blend) | 216 mg | Not comparable | Not comparable | Not comparable |
| Melanotan I (Afamelanotide) | 10 mg | Not comparable | $3.80 | Not comparable |
| Melanotan II | 10 mg | $4.28 | $3.80 | 13% |
| Oxytocin | 10 mg | Not comparable | $5.20 | Not comparable |
| PT-141 (Bremelanotide) | 10 mg | $3.55 | $4.30 | -17% |
| Selank | 10 mg | Not comparable | $4.50 | Not comparable |
| Semax | 10 mg | Not comparable | $4.50 | Not comparable |
| Sermorelin | 10 mg | $8.12 | $6.90 | 18% |
| SS-31 (Elamipretide) | 10 mg | $7.40 | $5.10 | 45% |
| Tesamorelin | 10 mg | $7.40 | $7.40 | 0% |
| Thymosin Alpha-1 | 10 mg | Not comparable | $7.00 | Not comparable |
| VIP (Vasoactive Intestinal Peptide) | 10 mg | Not comparable | $6.80 | Not comparable |
| ACE-031 (Ramatercept) | 1 mg | Not comparable | $131.00 | Not comparable |
| AICAR | 50 mg | Not comparable | $1.04 | Not comparable |
| AOD-9604 | 5 mg | Not comparable | $9.80 | Not comparable |
| ARA-290 (Cibinetide) | 10 mg | $3.92 | $5.00 | -22% |
| BPC-157 + TB-500 | 20 mg | Not comparable | $4.70 | Not comparable |
| Cagrilintide | 10 mg | Not comparable | $10.00 | Not comparable |
| CagriSema | 10 mg | Not comparable | $9.25 | Not comparable |
| Cerebroprotein Hydrolysate | 215 mg | Not comparable | Not comparable | Not comparable |
| Dermorphin | 5 mg | Not comparable | Not comparable | Not comparable |
| Follistatin (FST-344) | 1 mg | $108.68 | $108.68 | 0% |
| GLOW blend | 70 mg | $1.34 | $1.41 | -5% |
| Glutathione | 1500 mg | Not comparable | $0.05 | Not comparable |
| HCG (Human Chorionic Gonadotropin) | Not comparable | Not comparable | Not comparable | Not comparable |
| HMG (Menotropin) | Not comparable | Not comparable | Not comparable | Not comparable |
| IGF-1 LR3 | 1 mg | $51.48 | $71.00 | -27% |
| KLOW blend | 80 mg | $1.17 | $1.50 | -22% |
| KPV | 10 mg | Not comparable | $5.20 | Not comparable |
| LL-37 | 5 mg | $10.30 | $11.80 | -13% |
| PEG-MGF | 2 mg | $14.50 | $19.75 | -27% |
| Pinealon | 10 mg | Not comparable | $4.70 | Not comparable |
| SLU-PP-332 | 5 mg | Not comparable | $13.40 | Not comparable |
| SNAP-8 (Acetyl Octapeptide-3) | 10 mg | Not comparable | $3.50 | Not comparable |
| Thymalin | 10 mg | $3.26 | $4.50 | -28% |
| Vitamin B12 | 10 mg | Not comparable | $5.50 | Not comparable |
04Vendor Watch
Site answered Nov 1, 2026
05Company and payment
How you can pay
Accepts credit cards: Yes
Card, via a separate off-site payment page (a store reviewer describes being sent to a different site to pay; an outside review lists credit card only). Not stated on the store's own pages. A Trustpilot reviewer says the store accepts Apple Pay
Who's behind it
Peak Lab Peptides LLC
25 First Ave. SW, STE A, Watertown, SD 57201
605-524-2800
November 2025 (BBB: business started 2025-11-03)
Sells a paid membership tier
06Dates
- Prices last read
- Nov 1, 2026
- Profile last reviewed
- Oct 19, 2026
- Slice generated
- Nov 2, 2026