Serotonin is derived from
Serotonin is a metabolite of tryptophan Tryptophan ------------------->5hydroxy tryptophan ------------------>5hyroxy tryptamine (serotonin )Ref: DM Vasudevan - Textbook of Biochemistry, 7th edition, page no: 241
Tyrosine
Tryptophan
Phenylalanine
Methionine
Metabolism of protein and amino acid