Other ingredient
Shell in supplements
Shell appears as an other ingredient (a filler, capsule, coating or flavor, outside the Supplement Facts box) on 153 products in the NIH Dietary Supplement Label Database (version 9.4.0, January 2026).
Every product listing shell
0 products, A to Z by name (page 1 of 1), each with the amount its label prints; an amount far outside what other labels print is marked as a possible slip.