Grocery stores have buyers who decide which suppliers to work with and select the products they think their customers will want to buy, they don’t let random fl

Grocery stores have buyers who decide which suppliers to work with and select the products they think their customers will want to buy, they don’t let random fly by night businesses just come to the store and put whatever products they want on the shelves, which would be the equivalent of Amazon’s third party sellers where these supplements came from.