BioInfinity vs Limitless Biotech
Two top US peptide sources scored on the identical published formula: lab credibility, shipping, pricing, operating history, and transparency.
- BioInfinity
- 3.70/10
BioInfinity
- Limitless Biotech
- 6.97/10
Limitless Biotech
Affiliate links: we may earn a commission if you buy. It never changes a score or rank.
BioInfinity
3.70 /10
PoorTesting gate: Third-party testing not established
Shop BioInfinity → (opens in new tab)Factor by factor
- 1.8Lab Credibilityweight 55%7.5
- 7.5Shipping & Refundweight 20%7.0
- 5.3Pricingweight 15%5.1
- 2.2Operating Historyweight 5%9.1
- 6.0Transparencyweight 5%4.5
- 0Certificates confirmed at the lab13
- 1Labs named on certificates3
Show as a table
| Category | BioInfinity | Limitless Biotech |
|---|---|---|
| Lab Credibility | 1.8 | 7.5 |
| Shipping & Refund | 7.5 | 7.0 |
| Pricing | 5.3 | 5.1 |
| Operating History | 2.2 | 9.1 |
| Transparency | 6.0 | 4.5 |
| Overall | 3.70 | 6.97 |
Products both carry, price for price
| Peptide | BioInfinityper unit | Limitless Biotechper unit |
|---|---|---|
| BPC-157Guide → | $8.00/mg | $9.05/mg |
| TB-500Guide → | $9.50/mg | $13.40/mg |
| GHK-CuGuide → | $1.00/mg | $0.43/mg |
| IpamorelinGuide → | $9.00/mg | $9.80/mg |
| Semax | $6.00/mg | $2.73/mg |
| Selank | $7.00/mg | $2.90/mg |
| 5-Amino-1MQ | $2.90/mg | — |
| DSIP | $14.00/mg | $11.60/mg |
| Thymosin Alpha-1 | $13.00/mg | $13.20/mg |
How they compare: the verdict
Limitless Biotech takes this matchup decisively, 6.97 to 3.70 on the published formula. Its biggest edge is operating history, where it scores 9.1 against BioInfinity's 2.2. BioInfinity also carries the testing gate: Third-party testing not established.
It isn't a clean sweep. BioInfinity actually edges ahead on transparency (6.0 vs 4.5), so if that factor matters most to you it's worth weighing.
On lab evidence, the heaviest-weighted factor, BioInfinity has no third-party testing we could independently verify, while Limitless Biotech has independently verified third-party COAs.
Across the 8 peptides both carry, pricing is evenly split (BioInfinity 4, Limitless Biotech 4). 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.
BioInfinity vs Limitless Biotech: FAQ
BioInfinity or Limitless Biotech: which is better?
Limitless Biotech takes this matchup decisively, 6.97 to 3.70 on the published formula. Its biggest edge is operating history, where it scores 9.1 against BioInfinity's 2.2. BioInfinity also carries the testing gate: Third-party testing not established. It isn't a clean sweep. BioInfinity actually edges ahead on transparency (6.0 vs 4.5), so if that factor matters most to you it's worth weighing. On lab evidence, the heaviest-weighted factor, BioInfinity has no third-party testing we could independently verify, while Limitless Biotech has independently verified third-party COAs. Across the 8 peptides both carry, pricing is evenly split (BioInfinity 4, Limitless Biotech 4). The price-for-price table below has the detail, per mg (or per IU or mL for products sold that way).
Do BioInfinity and Limitless Biotech both use third-party testing?
BioInfinity: no independently verifiable third-party testing found. Limitless Biotech: 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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