... whitish to pale yellow,free-flowing, spherical shaped granular powder. High Quality Vitamin d3 500:a free-flowing, uniform shaped granular powder ... yellow, free-flowing, spherical shaped granular powderContent: 500,000 IU/G (by HPLC) Loss on drying: 5% max.Particle Size:100 ... Calcium and Phosphorus reserved in the cadres and promote conversion rate of Calcium and Phosphorus in the cadres so as to ...