Short Term: 2-8 degree. Long Term: -20 degree. Avoid multiple freeze-thaw cycles.
General Information
Background:
25 Hydroxy vitamin D3 refers to activated vitamin D3. Currently, most of the clinical vitamin D3 is directly used to activate vitamin D3. Therefore, the effect of promoting calcium absorption is better than that of traditional cod liver oil and inactive vitamin D, and it can be used without increasing the burden on the liver and kidney.