https://www.cnbc.com/2018/07/06/amazons-over-the-counter-drugs-are-less-expensive-than-cvs-walgreens.html

Amazon is competing with drugstores where it's known to win: price.

The e-commerce giant quietly launched a line of private label over-the counter drugs in August. Called Basic Care, the product line includes about 60 products ranging from ibuprofen to hair regrowth treatment. The products are produced by Perrigo, but serve as Amazon's store brand.