‘Mood swings,’ is a concept used to describe fluctuating emotions that are rapid and intense. Often described as a ‘roller coaster’ of feelings, from happiness and contentment to sudden anger and irritability. One of the most effective natural mood and emotional support supplements is 5-HTP (5-Hydroxytryptophan), a natural amino acid that supports serotonin production. A brain hormone associated with mood balance, emotional health and sleeping patterns.