Plant-based athletes, check more than the front label. HPMC and pullulan reveal...

https://bizzmarkblog.com/can-a-supplement-be-vegan-but-still-contain-gluten/

Plant-based athletes, check more than the front label. HPMC and pullulan reveal capsule materials. “Gluten-free” allows up to 20 ppm in the U.S