For example, some studies have claimed that spending just 15 minutes outside in nature can boost serotonin production.

Researchers have studied the use of tryptophan for treating mood disorders, such as anxiety and depression, as well as other neurological conditions. The research results so far have been ...

Low vitamin D levels are linked to depression and other mood disorders ... The only fruit on this list, bananas contain an amino acid called tryptophan. Your body uses tryptophan to produce 5-HTP, the ...