Vitamin D3 is a nutrient necessary for normal calcification of bones in humans and animals, which is converted into an active form, 1,25-dihydroxyl, in order to play a physiological role, not directly working. It is widely used in feed additives, nutrition and health products, and medicine.
On June 14, the last satellite of China Beidou-3 Global Satellite Navigation System was ready. The Long March 3B carrier rocket that had launched the launch mission has completed all the test work before launch and will be launched soon. Since then, the Beidou-3 navigation system will enter the era of gl...
With the improvement of living standards of the public to further promote the quality of material life and have a higher ability to pay attention to the health of themselves and their families, how to keep in good health has become the topic of most people's communication.
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