The recommended daily intake of essential amino acids for children is 10-20 percent higher than adult levels and for infants, it's 150 percent higher in the first year of life. The three major amino acids suggested for infants and growing children are cysteine, tyrosine, and arginine. The daily intake of histidine, isoleucine, leucine, and lysine are 10, 20, 39, and 30 mg per kg body weight, respectively. It is the figure provided by the World Health Organization.