| Title | Biostimulant type | |
|---|---|---|
| Acadian | Seaweed extract | Acadian |
| Acker-Schachtelhalm extract | Plant extract | Acker-Schachtelhalm extract |
| ACTIV 0-0-5 | Seaweed extract | ACTIV 0-0-5 |
| Actiwave | Seaweed extract | Actiwave |
| Agro-Lig | Humic and fluvic acids | Agro-Lig |
| Alga | Seaweed extract | Alga |
| Amalgerol | Mix of different types | Amalgerol |
| Amino total | Protein hydrolysate | Amino total |
| Aminoplant | Protein hydrolysate | Aminoplant |
| Aquamin | Protein hydrolysate | Aquamin |