C403 The Truth of Capsules

"Little Divine Doctor, you just said that the capsules he sells cannot be bought. Why is that so?" Fang Rui asked as he checked his pulse.

"As far as I know, whether it's bee king syrup or winter insects and summer grass, they're all about a tonic, not a cure. A cure, slow and harmless, but a cure that's like killing an enemy a thousand times and hurting yourself eight hundred times