C225 Montmorillonite

"I wonder if it is possible to use medicinal herbs that can change the functions of the body and increase the vitality of the body?" Mu Yi continued. What happened before was just his own guesses, so Mu Yi couldn't guarantee that he would be able to attract the old man's attention.

"Ah!

"What?" Say it again? " At this moment, the old man's expression changed as he asked in shock. However