Isovactin aa plus powder 15, lemon lime.Medical food for the dietary management of isovaleric acidemia (iva).Dispensed by prescription.Isovactin aa plus powder is a leucine free, amino acid based medical food for the dietary management of iva for individuals over one year of age.Isovactin aaplus powder is nutritionally complete, contains dha, prebiotic fiber, and a nutrient blenddesigned to support bone health.30 count 1.4 oz.Packets in case.15 grams of protein equivalent per packet.150 calories per packet and 4500 calories per case.