When medicine is swallowed, it must go through the digestive process before it reaches your blood stream.
一旦药物被吞，就必须经过消化道才能进入你的血流。
2
This gnarled root has been a major player in Asian and Indian medicine for centuries, primarily as a digestive aid.
这种多瘤的根状物已经在亚洲和印度治疗中使用了几个世纪，主要用于助消化。
3
Anything in the stomach that affects the normal acidity and digestive processes, ranging from infections to acid reflux medicine to aging, may also interfere with B12 absorption, studies suggest.