Cassava Root Step 3: Purchase Natural Supplement I purchased my Cassava Root ( Cassanovum: Cassava Root & Folic Acid Fertility Supplement) from Amazon.com. It is in pill form, looks greenish and contains 30 pills per bottle. If I am not mistaken, the product says this is safe to take while pregnant on their website, double check though. I would personally not continue taking it while pregnant. I would not replace my pre-natal vitamins with this, if you choose to take it during pregnancy, because it only contains 400 mcg of folic acid. It does not contain 800 mcg like most over the counter pre-natals and it does not contain the other vitamins found in your pre-natals, such as A, B, C, or D. Many of my family members are Caribbean and eat Cassava / Yucca. I read the ingredients of the supplement to my mother, whose family actually grew Cassava in the Islands and it sounds like to her it just contains the Cassava / Yucca, along with the folic acid. ...