Optimised Tryptophan Plus is a supplement that powerfully supports tryptophan levels already within the normal range. Tryptophan seems to improve sleep, improve your mood and regulate stress. Serotonin is a hormone that cares for the connection between nerve cells. It is naturally found in the brain and digestive track and it positively impacts your mood and sleep. To produce and maintain optimum serotonin levels your body requires tryptophan, an amino acid your body cannot produce. It is recommended to take up one (1) to three (3) capsules all at once before bedtime, or one (1) capsule on an empty stomach before each meal, or as directed by a medical practitioner. For maximum absorption, to be taken with a small amount of carbohydrate, such as diluted juice. For maximum benefits, to be taken separately from proteins or amino acids. Serotonin syndrome is characterized by high levels of serotonin and symptoms like confusion, sweating, agitation, nausea, involuntary muscle contractions, and racing pulse beat. Do not take L-tryptophan if you experience these symptoms. Because tryptophan may have numerous drug interactions (most commonly, MAOIs and SSRIs) consult your healthcare provider before taking this product if you are taking prescription medications. Do not use before driving or operating heavy machinery. Keep out of reach of children. Do not exceed recommended dose. Do not purchase if outer seal is broken or damaged. If you are undergoing treatment for a medical condition or if you are pregnant or lactating, please consult with your medical practitioner first. A food supplement should not be used as a substitute for a varied and balanced diet and a healthy lifestyle. Store tightly closed in a cool and dry place.