If you are properly researching the alternative medicine then there isn’t a problem, but by proper research I mean Cochrane reviews, not whatever the Daily Mail and Daily Express says won’t kill you with cancer this week.
www.informationisbeautiful.net have made [Snake Oil Supplements](http://www.informationisbeautiful.net/visualizations/snake-oil-supplements/) and Snake Oil Superfoods which are a good start if you aren’t up for reading medical trials, You can still overdose on them though, no matter how strong the evidence is for them doing good, you can still get side effects with them and they can still interact with each other.