active (marine) · ingredient
Origin class: marine (stated); supplement function: active. status_condition: permissibility depends on madhhab view of crustaceans; corn/fungal-fermented vegetarian glucosamine is HALAL. Madhhab note: Majority (Shafi'i/Maliki/Hanbali) permit all sea creatures incl. crustaceans — glucosamine from shrimp/crab shell is HALAL for them; Hanafi school permits only fish among sea animals — crustacean-shell glucosamine is impermissible for strict Hanafi followers. Aggregation methodology, not scholar-ratified.