Sports shirt from Stark Pharm Ukraine...
The amino acid tryptophan in powder form is a natural relaxant.
Scitec Nutrition's Tryptophan is an effective amino acid complex.
The amino acid L-tryptophan helps to maintain a relaxed state of the body, normalize sleep, give a positive mood and improve immune function.
Food supplement IronFlex - Tryptophan based on the essential amino acid tryptophan.