The noun WORD PROCESSING has 1 sense: 1  1. rapid and efficient processing (storage and printing) of linguistic data for composition and editing. 2  Meaning: 3  Rapid and efficient processing (storage and printing) of linguistic data for composition and editing. 4  Classified under: 5  Nouns denoting natural processes.
Foods may be fortified with vitamin D2 or D3. The major role of vitamin D is to maintain normal blood levels of calcium and phosphorus. Vitamin D helps the body absorb calcium, which forms and maintains strong bones. It is used alone or together with calcium to improve bone health and decrease fractures.
Human beings do not make vitamin D2, and most healthy fish contain vitamin D3. Vitamin D3 is the same price as vitamin D2. Vitamin D3 may be less toxic than D2 because higher concentrations of D2 circulate in the blood when consumed (compared to vitamin D3).itamin D3 is the same price as vitamin D2. Vitamin D3 may be less toxic than D2 because higher concentrations of D2 circulate in the blood when consumed (compared to vitamin D3).