Plant-based athletes can spot gelatin and choose HPMC or hypromellose capsules,...

https://blogfreely.net/gertonmhvf/how-do-i-check-if-vitamin-d3-is-vegan

Plant-based athletes can spot gelatin and choose HPMC or hypromellose capsules, check gluten-free claims (under 20 ppm), and understand what NSF Certified for Sport or Informed Sport means. A few label checks can make supplement shopping simpler.