5 independent third-party assays of Nad+, covering 5 vendors.
Assay dates span 2024-06-11 to 2025-09-08.
Manufacturer recorded on the certificates: Pink Pony Peptides, Penguin Peptides, Bio Research Ltd.
NAD+ (Nicotinamide Adenine Dinucleotide) carries an evidence grade of C on this site (Early Human / Mixed Evidence). NAD+ is a fundamental coenzyme present in all living cells that serves as a critical electron carrier in metabolic reactions and a substrate for enzymes including sirtuins, PARPs, and CD38. NAD+ levels decline approximately 50% between…
A certificate of analysis describes the lot that was submitted and nothing else. It is not a guarantee about a later batch, and purity is not identity — a sample can assay clean and still be the wrong compound, or the right compound at the wrong concentration. Vendors with no assay row below have not been tested here, which is not the same as having failed.
| Vendor | Assays | Median measured purity | Most recent |
|---|---|---|---|
| Pink Pony Peptides | 1 | not reported | 2025-09-08 |
| Penguin Peptides | 1 | not reported | 2025-07-28 |
| XL Peptides | 1 | not reported | 2025-05-17 |
| Optima Chemical Supply, Inc. | 1 | not reported | 2025-04-25 |
| Polaris Peptides | 1 | not reported | 2024-06-11 |
Compound profile: Nad+ — evidence, mechanism and safety.
Vendors assayed: Pink Pony Peptides, Penguin Peptides, XL Peptides, Optima Chemical Supply, Inc., Polaris Peptides.