Vendor and compound
LL-37 from Bench Grade Peptides
Bench Grade Peptides lists LL-37 at $18.40 per mg, 50% over the $12.25 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by Freedom Diagnostics Testing, averaging 99.93% purity. The cheapest listed price for LL-37 anywhere in the index is $5.25 per mg at Ascend Science.
All LL-37 vendors · Bench Grade Peptides profile · scores 86.8 of 100, rank 6 · 1 certificate for this compound · verified 15 Sept 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 5 mg | $92 | $18.40 | +50% | LL-37 |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| LL05-01162026-J | 21 Jan 2026 | 99.926% | 5 mg → 6.2 mg | Freedom Diagnostics Testing | Open |
Freedom Diagnostics Testing publishes a lookup, so these reports can be confirmed at the laboratory rather than taken from the vendor. How to check one.
Other vendors selling LL-37
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Ascend Science | 90.1 | $5.25 | 0 |
| Amino Club | 88.3 | $7.00 | 0 |
| Modern Aminos | 88.1 | $9.40 | 1 |
| Polaris Peptides | 86.6 | $12.50 | 0 |
| PeptidePlugs | 86.3 | $12.00 | 1 |
| Simple Peptide | 84.9 | $9.00 | 0 |
| Protide Health | 79.5 | $15.00 | 0 |
| Ascension Peptides | 79 | $8.90 | 0 |
Ordered by overall evidence score. See every vendor listing LL-37.
Questions
Is LL-37 from Bench Grade Peptides third-party tested?
Yes. 1 certificate for LL-37 from Bench Grade Peptides is on file, signed by Freedom Diagnostics Testing. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Freedom Diagnostics Testing also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
How much does LL-37 cost at Bench Grade Peptides?
$18.40 per milligram, from 5 mg at $92. The peer median across every vendor we price for LL-37 is $12.25 per mg, so this is +50% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Bench Grade Peptides a good place to buy LL-37?
Bench Grade Peptides scores 86.8 of 100 on the published rubric and ranks 6 overall, computed from its documentation rather than from opinion. For LL-37 specifically it has 1 certificate on file. Ascend Science lists it cheaper at $5.25 per mg.