Tryptophan contributes to the production of serotonin, a brain neurotransmitter found in various organs in the body including the GI tract.

Tryptophan has been shown to stabilise mood, promote sleep and help control stress. Tryptophan also aids healthy blood, healthy hair, and youthful skin.

It also helps our body use the B-complex vitamin group more efficiently and promotes smoother digestive activity.

Dosage: 1 to 3 capsules daily or as recommended Not recommended for children under 12 yrs unless supervised by a healthcare professional

Potential applications:

Appetite / mood regulation, weight control, digestive support and gastrointestinal relaxant, convalescence, hair/skin/nails health, memory, vegan/vegetarian diets, detoxification, sports nutrition (muscle health, performance and recovery).

May be beneficial in behavioural disorders e.g. ADHD, autism.

Known contraindications : None known

Interactions : None known

Safety : No safety issues


Groff J.L et al. Advanced Nutrition and Human Metabolism. 1995 Robert Garrison. Lysine, Tryptophan, and other amino acids. Food for our brains, maintenance for our bodies. 1982 Kate Udall. Amino acids – the building blocks of life.1997 Murray and Pizzorno. Textbook of Natural Medicine. 1999 Protein and amino acid requirements in human nutrition. WHO Technical Report Series. 935. 2002