Description
L-tryptophan is an essential amino acid and cannot be produced by the body itself.
It is the precursor of the ‘happiness hormone’ serotonin and is also essential for the production of the hormone melatonin, which controls the body’s sleep-wake cycle.
- vegan
- Free from gluten, lactose, flavourings, preservatives, magnesium stearate and, of course, GMO-free
- Independently laboratory-tested for contamination and impurities, such as heavy metals, mould, E. coli, salmonella and other relevant test criteria




