I agree with both zbw2 and alexandra. The FDA establishes minimum requirements in terms of safety and testing. Many companies choose to hold themselves to a higher standard. If something goes wrong, they can lose millions in terms of recall or settlements. The hits to their public image also affect their sales and stocks. I’m not sure the FDA can be stricter with some of these, there are a lot of reasonable standards. If companies don’t do their best to create a safe and effective product, it hurts them more in the long run than spending the time and money to do it right the first time ever could.