NUTRITION

How to Increase Serotonin With Foods & Vitamins

How to Increase Serotonin With Foods & Vitamins. Part of the series: Diet & Nutrition. Foods that can be eaten to increase serotonin levels include bananas and walnuts, although carbohydrates themselves can temporarily increase serotonin. Learn about vitamins that increase serotonin, such as vitamin B6 and vitamin C, with help from a licensed dietitian/nutritionist in this free video on increasing serotonin through the diet.