Comparing capsule shell materials — HPMC vs gelatin, dissolution rates, allergen considerations, and suitability for different diets. This page is part of the Shilajit Research hub on Evidence Before Claims. Content is for educational purposes only and is reviewed against peer-reviewed studies, FDA labeling, and current clinical guidelines. It does not provide diagnosis, treatm
Reviewed by Rebecca Lin, PharmD (illustrative reviewer) — PharmD, Clinical Pharmacy. Last reviewed: May 2026. Educational content only; not medical advice.