Plant-based athletes know to check the ingredient list—but capsule shells can...

https://ameliasultimatecolumn.cloudhinter.com/posts/do-vegan-or-organic-seals-mean-a-product-is-safe-for-drug-testing

Plant-based athletes know to check the ingredient list—but capsule shells can hide gelatin, while HPMC offers a plant-based alternative. And “vegan” has no federal definition, so the claim alone may not tell you much