Secondly, I think a business license should be enough. You should ask the purchase channel yourself.
Thirdly, there are many things to consider when opening a store: store rent, decoration expenses, office supplies, previous purchases and possible losses.
The possibility of making profits from health care products is still great. The key is to sell the right goods to the right people in the right place.
Finally, I wish you success in opening a shop! ! ! !