Precision Health Diucaps contain the essential amino acid L-phenylalanine. This amino acid which can be found in meat, fish, eggs, cheese, and milk is important in the brain's messaging to the body to not eat as much! This amino acid is a potent appetite suppressant. Therefore, it is used by Precision Health to help curb one's food cravings in an all-natural way. One bottle of Diucaps contains 60 capsules. Simply take 1 capsule approximately 30 minutes before each meal up to three times per day. Besides being an appetite suppressant, it has many other health benefits.