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US vs EU label comparison

brensocatib

Neither label names the source

Both labels use starch terms that do not state a botanical origin. This is a genuine unknown — the source cannot be determined from either regulator's label, and only the manufacturer can resolve it.

US drug labelsas of April 2026EU drug labelsApril 2026 snapshot

United States

FDA Structured Product Label, via DailyMed

  • SODIUM STARCH GLYCOLATE TYPE A
Source not named

European Union

EMA product information leaflet

  • Sodium starch glycolate
Source not named
What to do with an unknown. Neither label resolves the source, so no amount of further reading of either label will answer it. The next step is the manufacturer of your specific product — identified by the NDC on the bottle, since different labellers of the same molecule use different excipients. Your pharmacist can make that call with you — our printable card asks them the right question.

What this page does and does not tell you

This compares disclosure, not gluten content. A label that names maize starch has resolved the question. A label that says only “starch” has not — the starch may well be corn, and usually is, but the label does not say so, and that gap is the finding.

Nothing here says brensocatib is or is not gluten-free. It says what each regulator's label states, which is the only claim this dataset supports. Brand and generic products of the same molecule can differ, and a manufacturer can reformulate without any announcement.

These labels were captured in April 2026. That is old enough to matter: check the current label for the product you actually have.

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By

Founder and maintainer of Gluten Screen

Updated August 19, 2026

Not clinically reviewed — verify with your pharmacist

Gluten Screen is a label-reading tool, not medical advice, and is not a pharmacist, physician or dietitian. Never stop, switch or substitute a prescribed medication because of something you read here. Bring the question to your pharmacist or prescriber.