This supports emotional and psychological health. Ashwagandha contributes to keeping mental balance and emotional steadiness. Saffron aids in fostering a cheerful disposition and uplifting mood while also alleviating irritability and stress. A dosage of 1 mg of melatonin should be taken right before bedtime. Vitamin B6 plays a role in the proper working of the nervous system and promotes healthy psychological functioning, as well as helping to combat fatigue and exhaustion.