For those who dont know, 5-htp is Tryptophan in its purer form that can be used for candida problems in depression, sleeping, etc, including overweight problem. It is a serotonin stabilizer and works with your brain to help balance the hormone serotonin. Low serotonin is responsible for depression, poor and restless sleeping, and overeating. Believe it or not, it is a serotonin imbalance that many overweight people have. Basically, they never get the signal from their brain that tells them they are full. After being on high doses of 5-htp for two weeks, my friend who is overweight noticed she could stop eating when she was full, slept better, and was not as depressed. It has really helped her a lot. Read more..