Essential amino acids, such as tryptophan, must be obtained through the diet since the body cannot synthesize them. Protein-rich foods serve as sources of tryptophan. Examples include chicken ...

Plus, like other dairy foods, Greek yogurt is a source of tryptophan but also provides gut-friendly probiotics. Your gut health is closely connected with almost every aspect of your health ...

The milk protein α-lactalbumin has the highest natural levels of tryptophan amongst all protein food sources. Other sources of tryptophan include turkey, chicken, fish, eggs, pumpkin seeds ...

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

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