Discussion: Nutrition has a significant effect on mood.

Nutrition significantly improves mood and even beyond through increased serotonin and dopamine neurotransmitter production. A balanced, varied, and healthy diet, which includes only natural foods and beverages, maintains a balanced intestinal flora and a PH balance, increasing serotonin production in the intestines. The diet that raises dopamine production is almost identical.

Link: The holistic principle and balancing gut flora are essential.
https://www.sf-healing.com/page/110 (Copy & Paste)