I used it, just in food not as a supplement, the does might be a bit too high in a supplement. I baked lots of cinnamon rolls and ate one every day for my evening mini meal, and I put cinnamon in yogurt. I reduced the amount significantly during the 2ww though because I read that it can be used in high doses to bring on AF. So if you were to take a supplement I would only take it AF-O.