OstroVit ® 5-HTP is a dietary supplement containing African black bean seed extract standardized to 25% 5-hydroxytryptophan (5-HTP) . Available in easy-to-swallow capsules, it's a great addition to the daily diet for adults. Get to know the OstroVit ® supplement source of 5-hydroxytryptophan, L-tryptophan and vitamin B6, easy-to-swallow capsules, only 1 capsule a day, suitable for vegans and vegetarians. Active ingredients 5-HTP 5-Hydroxytryptophan (5-HTP) is an amino acid obtained from the seeds of the African black bean (Griffonia simplicifolia (Vahl ex DC.) Baill.). 5-HTP is a precursor to serotonin and melatonin. It is a compound that occurs naturally in the human body as part of one of the stages of tryptophan metabolism. L- tryptophan is an essential amino acid – the human body cannot produce it on its own; it must be obtained from food. L-tryptophan is found in protein-rich foods (cheese, milk, lean meats, soy, and fish – especially cod and tuna). B6: is needed to maintain proper energy metabolism, as well as protein and glycogen metabolism at the correct level, helps in the proper synthesis of cysteine ​​and metabolism of homocysteine, helps in the proper functioning of the nervous system, supports the maintenance of normal psychological functions, supports the proper functioning of the immune system, contributes to the proper production of red blood cells, is needed to regulate hormonal activity. The OstroVit ® brand 5-HTP package contains 90 capsules and provides 3 months of supplementation.