维生素B12又叫钴胺素，是一种含有3价钴的多环系化合物，是唯一含金属元素的维生素。

For the first time in the Red Bull Editions lineup, this Winter Edition will be available with and without sugar.

Medically reviewed by Jay N. Yepuri, MDMedically reviewed by Jay N. Yepuri, MD Treatments for gastroesophageal reflux disease ...

From an e-toothbrush that self-disinfects and an airline where your bike flies free, to smart socks and a genius trick for ...

Jordan found the most luck combining weight loss medications with vitamins. She explains ... along with medical-grade B12 to ...