Tibetan medicine is relatively cheap but also expensive. You can trust your pill, but it's really expensive. Tibetan medicine does not belong to western medicine, and it is normal to have no bar code. You can judge for yourself whether this medicine is true or not. Since he runs in an ancient town, at least he is not a charlatan, and because he rents a house, his medicine will be more expensive, so as to maintain his shop and make a profit. However, this kind of thing, medicine, also pays attention to personal physique and cannot be generalized.