Knowing cholecalciferol is vital for overall well-being and maintaining peak performance of your body . Often referred to as D3 , it plays a significant role in including calcium absorption . https://www.amazon.com/Pure-Plant-Company-PurePlantD3-Organic/dp/B0H2K421Z9?maas=maas_adg_95D15AA23D1F432A2C1B1C9E96021862_afap_abs&ref_=aa_maas&tag=maas&th=1