Looking for vaccine research

An

I KNOW this is a controversial subject, I'm not trying to start any fights. So please do not get upset about anyone's comments.

I have always been a staunch supporter of vaccines, all my kids have gotten their's. Recently I read an article saying shots are not what they use to be, all the added things they have in them now are actually bad. Can someone please share links or pages that discusses this, I'd really like to find something that has been researched and proven whether good or bad. Not just something that someone is raving about with nothing to back it up. Maybe I'm just trying to find peace of mind because really whether we're vaxxers or not we are all just trying to do what we feel is best for our children, and that is to be respected. Thank you in advance for your help.