NOW Foods 5-HTP vegetarian capsules contain 100 mg of 5-HTP (5-Hydroxytryptophan) per serving. 5-HTP is a compound that the body converts to serotonin, a neurotransmitter involved in mood regulation. This supplement is often used as part of weight management programs, though individual results may vary. The product comes in 120 vegetarian capsules, suitable for those following plant-based diets. Consult a healthcare professional before use, especially if taking other medications.