The ingredients of Inovance Serotone are: L-tryptophan, tunica of vegetable origin [hydroxypropyl methylcellulose], anti-caking agent [magnesium stearate of vegetable origin], zinc gluconate, nicacinamide (vitamin B3), anti-caking agent [silicon dioxide], pyridoxine hydrochloride (vitamin B6).
Each capsule contains :
L-tryptophan......220 mg
Vitamin B3.....8 mg
Vitamin B6.....0.7 mg
Zinc................1.5 mg