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757 products scored186 ingredients explainedNo paid placement

Ingredient library

Neutral · Joint supplement

Eggshell membrane

Also appears on labels as: esm eggshell membrane, eggshell membrane, natural eggshell membrane

The thin film inside eggshells, made of collagen and other proteins.

Watched ingredients get highlighted on every product panel you open.

Where it comes from
Separated from eggshells left over from egg processing.
Why it's in the product
Added to supplements sold for joints.
Safety and toxicity
Studied in dogs as a joint supplement. No flag.

General reference, not veterinary advice. Dose, breed, and existing conditions change the answer, so talk to your vet before changing what your pet eats. Think we got this wrong? Tell us and we log it publicly.

Found in 1 scored product

Lowest scores first. Its presence here is not what drove those scores.