Amazon has quietly launched an exclusive line of over-the-counter health products

Amazon has quietly launched an exclusive line of over-the-counter health products

"It's a very different world, and having Amazon jump in is not a good sign for existing brands, either branded or private label, because the way Amazon works is its ability to take on unprofitable ventures for a time to see how things go," said Matthew Oster, head of consumer health research at global market research firm Euromonitor International.