GMO-free vitamins ensure that all ingredients are sourced from non-genetically modified organisms. This means that if a supplement contains Vitamin C, it must be made from non-GMO corn, or if it inclu
des Vitamin D3, it cannot come from a genetically modified sheep. While the safety and healthfulness of GMO foods are debated, some companies choose to provide GMO-free supplements due to consumer demand for transparency and non-modified ingredients