Vendor and compound
FOXO4-DRI from PeptidePlugs
PeptidePlugs has no FOXO4-DRI price recorded in this index. 1 third-party certificate for this compound from this vendor is on file, assayed by Freedom Diagnostics Testing, averaging 99.09% purity. The cheapest listed price for FOXO4-DRI anywhere in the index is $14.00 per mg at Good Science Bio.
All FOXO4-DRI vendors · PeptidePlugs profile · scores 86.3 of 100, rank 9 · 1 certificate for this compound · verified 29 Aug 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 103-08-ZB | 25 Jul 2026 | 99.09% | 10 mg → 11.33 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 FOXO4-DRI
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Polaris Peptides | 86.6 | $25.00 | 0 |
| Simple Peptide | 84.9 | $18.00 | 0 |
| Good Science Bio | 75.8 | $14.00 | 0 |
| Biotech Peptides | 65.7 | $27.00 | 0 |
| BioLongevity Labs | 64.4 | $27.50 | 0 |
Ordered by overall evidence score. See every vendor listing FOXO4-DRI.
Questions
Is FOXO4-DRI from PeptidePlugs third-party tested?
Yes. 1 certificate for FOXO4-DRI from PeptidePlugs 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.
Is PeptidePlugs a good place to buy FOXO4-DRI?
PeptidePlugs scores 86.3 of 100 on the published rubric and ranks 9 overall, computed from its documentation rather than from opinion. For FOXO4-DRI specifically it has 1 certificate on file. Good Science Bio lists it cheaper at $14.00 per mg.