色胺酸被推薦的實證功效(好處)有哪些？
１．色胺酸有益睡眠質量
２．色胺酸有益憂鬱症（major depressive disorder）
３．色胺酸有益經前不悅症（premenstrual dysphoric disorder）
４．色胺酸有益衝動行為控制（behavioral regulation）

L-tryptophan is an essential amino acid needed by our body. Every tablet of Amazing Nutrition L-Tryptophan dietary supplement provides an optimum dosage 1000 mg making it easy to distribute your dosage through the day to reach the correct recommended dosage. Your body requires tryptophan to perform a number of important tasks. The nutrient has been found to:

-SUPPORT HEALTHY SLEEP. L-Tryptophan is needed to produce melatonin, the brain chemical that controls your sleep cycle.

-AIDS IN IMMUNE SYSTEM FUNCTION. The amino acid is needed to produce kynurenines, which help defend the body from germs. 

-PROMOTES HEALTHY CIRCULATION & NERVOUS SYSTEM FUNCTION. Your body converts L-Tryptophan to niacin to support blood flow and nervous system function.

-SUPPORTS HEALTHY DIGESTION. L-Tryptophan helps your body metabolize nutrients and manufacture hydrochloric acid to break down your food.

WHAT IS L-TRYPTOPHAN?
L-tryptophan is an essential amino acid, an important building block of proteins that your body cannot produce on its own and must get from the food that you eat or supplementation. Food such as eggs, salmon, cheese, pineapples, nuts and seeds, tofu etc. are a natural source of L-Tryptophan. L-tryptophan is needed by the body to make certain brain-signaling chemicals. Your body changes L-tryptophan into a brain chemical called serotonin and the hormone melatonin. Serotonin is a chemical messenger that’s believed to act as a mood stabilizer. It’s said to help produce healthy sleeping patterns as well as boost your mood. Melatonin is needed for healthy sleep and to promote relaxation. IMPROVE SLEEP QUALITY
L-Tryptophan has natural sedative effects that can help you sleep better, and as a result it can help improve overall health. * L-Tryptophan offers a natural remedy for getting better sleep and reducing problems associated with sleep such as waking up in the middle of the night, sleeplessness. Etc. all without the need for sleep-inducing prescriptions that can cause many unwanted side effects. * L-Tryptophan have been found to help decrease the amount of time it takes to fall asleep, stay asleep all night and subsequently resulting in better mood and energy the next day.

PROMOTES POSITIVE MOOD
L-Tryptophan is known to be a natural mood lifter and alleviate symptoms associated with stress level and anxiety. *  L-Tryptophan converts to a chemical messenger called serotonin in the brain and helps make other essential amino acids more available, which in turn helps control emotions and promote positive mood.

HEALTHY WEIGHT MANAGEMENT  
In the body L-tryptophan is converted into ‘Serotonin’. When the brain has sufficient levels of serotonin, it helps to curb appetite promoting a feeling of satiety. * This in turn helps to stick to a healthy diet plan and work toward the goal of maintaining healthy weight. * Another interesting benefit of L-Tryptophan is that it helps to improve physical performance and fights fatigue, which may help to keep you motivated to improve your fitness levels and regularly get enough exercise.

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