Product Description Avicare Calc-Fit is a complete nutritional supplement used to support the skeletal system and eggshell formation in birds. It contains a highly concentrated formula of easily absorbed calcium, fortified with vitamins A, D3, E, C, and the full B group, along with essential amino acids such as methionine, lysine, threonine, and tryptophan. It is used during periods of mating, growth, or when problems arise in the bones or cortex. It also contributes to compensating for calcium deficiency resulting from poor absorption or malnutrition.