“Lab-tested” gets thrown around loosely. Here’s exactly what happens when a SMAX batch meets an independent laboratory — and why batches sometimes fail (good). Overview: Lab Testing & COA.
Our testing pipeline
- Identity: confirms genuine Mitragyna speciosa
- Potency: mitragynine + 7-OH quantified per batch
- Microbials: salmonella, E. coli, yeast/mold screens
- Heavy metals: lead, arsenic, cadmium, mercury limits
- Extract extras: residual solvents for concentrates
Fail = never shelved
Failed lots are rejected, period. Learn to read results (COA guide) and shop verified Best Sellers. Adults 21+ only.

