LabFirst Peptides vs Simple Peptide
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- LabFirst Peptides
- 7.80/10
LabFirst Peptides
- Simple Peptide
- 8.32/10
Simple Peptide
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
Factor by factor
- 8.9Lab Credibilityweight 55%8.6
- 7.5Shipping & Refundweight 20%8.5
- 6.8Pricingweight 15%7.5
- 0.7Operating Historyweight 5%7.2
- 7.0Transparencyweight 5%8.0
- 26Certificates confirmed at the lab44
- 1Labs named on certificates1
Show as a table
| Category | LabFirst Peptides | Simple Peptide |
|---|---|---|
| Lab Credibility | 8.9 | 8.6 |
| Shipping & Refund | 7.5 | 8.5 |
| Pricing | 6.8 | 7.5 |
| Operating History | 0.7 | 7.2 |
| Transparency | 7.0 | 8.0 |
| Overall | 7.80 | 8.32 |
Products both carry, price for price
| Peptide | LabFirst Peptidesper unit | Simple Peptideper unit |
|---|---|---|
| AOD-9604 | $7.50/mg | $8.00/mg |
| BPC-157 + TB-500 | $4.50/mg | $3.30/mg |
| BPC-157Guide → | $5.90/mg | $4.25/mg |
| CJC-1295 + Ipamorelin | $6.75/mg | $6.50/mg |
| CJC-1295Guide → | $8.50/mg | $7.00/mg |
| DSIP | $5.40/mg | $7.00/mg |
| Epitalon | $2.18/mg | $3.30/mg |
| GHK-CuGuide → | $0.59/mg | $0.55/mg |
| GLOW | $1.86/mg | $1.64/mg |
| IpamorelinGuide → | $6.50/mg | $6.50/mg |
| Kisspeptin-10 | $8.50/mg | $4.50/mg |
| KLOW | $1.69/mg | $1.75/mg |
| KPV | $4.90/mg | $4.50/mg |
| Melanotan-2 | $3.50/mg | $3.80/mg |
| MOTS-c | $3.75/mg | $2.85/mg |
| NAD+ | $0.16/mg | $0.10/mg |
| Oxytocin | $4.50/mg | $4.50/mg |
| PT-141 | $4.00/mg | $4.50/mg |
| RetatrutideGuide → | $3.57/mg | $6.55/mg |
| Selank | $2.63/mg | $5.50/mg |
| SemaglutideGuide → | $5.50/mg | $6.51/mg |
| Semax | $2.30/mg | $5.50/mg |
| Tesamorelin | $7.50/mg | $7.50/mg |
| Thymosin Alpha-1 | $13.00/mg | $8.60/mg |
| TirzepatideGuide → | $3.83/mg | $2.44/mg |
How they compare: the verdict
Simple Peptide takes this matchup by a clear margin, 8.32 to 7.80 on the published formula. Its biggest edge is operating history, where it scores 7.2 against LabFirst Peptides's 0.7.
It isn't a clean sweep. LabFirst Peptides actually edges ahead on lab credibility (8.9 vs 8.6), so if that factor matters most to you it's worth weighing.
On lab evidence, the heaviest-weighted factor, both LabFirst Peptides and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories.
Across the 25 peptides both carry, Simple Peptide is cheaper per unit more often (LabFirst Peptides wins on 10, Simple Peptide on 12). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
LabFirst Peptides vs Simple Peptide: FAQ
LabFirst Peptides or Simple Peptide: which is better?
Simple Peptide takes this matchup by a clear margin, 8.32 to 7.80 on the published formula. Its biggest edge is operating history, where it scores 7.2 against LabFirst Peptides's 0.7. It isn't a clean sweep. LabFirst Peptides actually edges ahead on lab credibility (8.9 vs 8.6), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, both LabFirst Peptides and Simple Peptide have independently verified third-party COAs, so the gap comes down to the other categories. Across the 25 peptides both carry, Simple Peptide is cheaper per unit more often (LabFirst Peptides wins on 10, Simple Peptide on 12). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Do LabFirst Peptides and Simple Peptide both use third-party testing?
LabFirst Peptides: independently verified third-party COAs. Simple Peptide: independently verified third-party COAs.
How was this comparison scored?
Both vendors are scored on the identical published formula: lab credibility 55%, shipping 20%, pricing 15%, operating history 5%, transparency 5%. When third-party testing cannot be independently verified, a testing gate holds the score under a cap that starts at 6.0 and rises by at most 2.5 points for operating history, shipping and reviews. Neither vendor can pay to change a score.
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