For many women, menstrual cycles are a reoccurring aspect of their life. And with that comes using tampons and pads regularly. But have you ever thought about what might be lurking within your go-to sanitary products?

According to a recent study conducted by University of La Plata in Argentina, at least 85 percent of tampons (along with cotton balls and other sanitary products) contain glysophate, which is not only a common herbicide but has also been deemed a “probable carcinogenic”. The fact that women are inserting a “probable carcinogenic” into themselves is alarming, but what’s even more alarming is that this discovery was accidental! Breaking up with your favorite tampon brand may be difficult at the moment, but in the long-run organic and alternatives, like the menstrual cup, may just save your life.

READ MORE: 5 Organic Tampons for an Eco-Friendly Period