... seaweed extract contains natural plant hormones(auxins, cytokinin, gibberellins), protein amino acids, alginic acid, mannitol, betaine, arachidonic acid, carbohydrates, vitamines, nucleotides, humic ... seaweed extract contains natural plant hormones(auxins, cytokinin, gibberellins), protein amino acids, alginic acid, mannitol, betaine, arachidonic acid, carbohydrates, vitamines, nucleotides, humic ...