A bio-active and safe analogue of vitamin D3 (alfacalcidiol) Description A bio-active and safe analogue of vitamin D3 (alfacalcidiol) Benefits Prevents bone deformities tibial dyschondroplasia Improves bone & muscle strength Improves eggshell quality and hatchability Enhances calcium and phosphorous absorption Composition Alfacalcidiol (BP)Available in concentrate or premix versions