Body from L-tryptophan, which is found in dietary proteins and is used to make seratonin, an important substance for normal nerve and brain function. Health Aid Hydroxy Trypto Phan 50mg Tablets contain the amino acid that is the intermediate step between tryptophan and the important brain chemical Serotonin. Serotonin is involved in mood, behaviour, appetite, and sleep and is found in many places in the body particularly the brain, gastrointestinal system, and blood cells. These tablets are therefore beneficial to people who may be suffering from depression, unbalanced mood or anxiety. Health Aid Hydroxy Trypto Phan 50mg Tablets are free from Yeast, Gluten, Wheat, Starch, Soya, Dairy, Sugar, Salt, Artificial Colours, Preservatives and Flavourings. Health Aid Hydroxy Trypto Phan 50mg Tablets may be beneficial for: Appetite control Balancing moods Depression Relieving Anxiety Better Sleep Relief and prevention of migraines Enhanced nerve and brain function