There are many nutrients required in regulating our emotions. We do know that 90-95 % of serotonin is found in the gut. You must have a normal functioning gut.
There are many vitamins, minerals, amino acids and fatty acids that are needed for the hormones such as dopamine, serotonin and epinephrine.
Absorption of all these nutrients needs a good probiotic, and good food combination
YOUR GUT needs to be healthy. You need to heal your gut with herbs as meadowsweet, marshmallow, raspberry and slippery elm in addition to glutamine and other supplements