Tryptophan knows every sportsman who has trouble falling asleep. It affects the production of melatonin, which has an impact on falling asleep. It is also extremely important in depression and panic attacks. Thanks to its properties it is very famous. Tryptophan is an essential nutrient for the body. The human body is unable to synthesize it itself, which is why it must be supplied from the outside. All specialists are constantly repeating that supplementation should be used when all other natural methods are not effective. A solid reason to start tryptophan supplementation is the deterioration of sleep quality and its serious disorders. It's an amino acid that can produce serotonin. As it is commonly known, serotonin is the hormone of happiness that relieves aggression and improves general well-being. Tryptophan also supports metabolism, which helps in maintaining proper weight. It is essential when expanding muscle cells. The right dose will protect your eyes from UV radiation. This substance will strengthen our immune system. It is often supplemented by nursing women, because it ensures proper lactation. Its deficiency in addition to insomnia and anxiety, can cause depression and tendency to snack. However, the excess causes, among others drowsiness, headaches, dry mouth and nausea. In extreme cases, it can lead to problems with motor coordination and visual disturbances. That is why it is so important to always read the instruction that will allow you to choose the right dose of the supplement.