Serotonin Supplement Market

Serotonin supplement sales will grow through 2036, led by depression relief at 30.8% of the functionality segment in 2026. Gummies dominate the product form segment with a 27.6% share and e-commerce leads distribution with 36.2% share. The market is projected to reach USD 1.1 billion in 2026 and USD 1.80 billion by 2036.