5HTP 200mg 90 capsules. 5-HTP stands for 5-hydroxytryptophan - an amino acid found naturally in small amounts in protein rich foods such as turkey. 5-HTP is converted into serotonin in the human body.Providing 5HTP 200mg per daily dose of 4 capsules. From Griffonia Seed 1600mg (Whole Seed Equivalent from Extract per daily dose). 5-HTP stands for 5-hydroxytryptophan - an amino acid found naturally in small amounts in protein rich foods such as turkey. 5-HTP is converted into serotonin in the human body. In our food supplement 5-HTP comes from Griffonia Seed Extract, a West African plant which contains it naturally. Manufactured in the UK to GMP code of practice and supplied in innovative letterbox friendly and recyclable packaging.In our food supplement 5-HTP comes from Griffonia Seed Extract, a West African plant which contains it naturally. Manufactured in the UK to GMP code of practice and supplied in innovative letterbox friendly and recyclable packaging.