A1: Difference between Vitamin D and VD3: Vitamin D is a general term that includes VD2, VD3, etc.; VD3 (cholecalciferol) has higher activity and is better absorbed and utilized by animals .
A3: Not included. D3 is a vitamin; it does not contain calcium itself, but it helps with calcium absorption.
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Learn what food grade sodium caseinate is, how it is produced, and how its emulsifying, thickening, water-binding and protein-fortifying properties support food applications. - Polifar
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