The supplements can work. SAMe is a molecule like and the other are amino acids. Aminoacids are needed for proper brain function.
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what are the dosage recomended in order to see results?
SAMe about 400mg/day and results may be noticed after about a week.
For the amino acids it would bue suggested to get complete Amino acids such as the Amino1000 by GNC 3 per day (but you get other amino acids as well)