| Title | Biostimulant type | |
|---|---|---|
| Acadian | Seaweed extract | Acadian |
| Acker-Schachtelhalm extract | Plant extract | Acker-Schachtelhalm extract |
| Actiwave | Seaweed extract | Actiwave |
| AdeSil | Anorganic elements Si, Phosphite | AdeSil |
| AgriAlgae Biologico Original | Other | AgriAlgae Biologico Original |
| Algastar | Seaweed extract | Algastar |
| Amalgerol | Mix of different types | Amalgerol |
| Aphasol | Protein hydrolysate | Aphasol |
| Atonik / Chapperone / Asahi SL | Other | Atonik / Chapperone / Asahi SL |
| Auxym | Plant extract | Auxym |
