Kirkland Ultra Strength Antacid Recall Issued
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Costco Wholesale Corporation is recalling Kirkland Signature Ultra Strength Antacid due to small metallic particles in certain lots.
What this FDA recall tells you, and what most readers miss
This notice was issued by FDA on July 9, 2026 and geographically references United States. Its severity classification of "medium" signals how the issuing agency weighs the risk of harm if no action is taken - "critical" and "high" tier alerts typically carry direct consumer actions, while "medium" and "low" tend toward informational guidance or monitoring advisories. The category it belongs to - FDA Recalls - determines the consumer-protection framework behind it, which shapes what remedies (refunds, replacements, repairs, or the recall itself) are available to affected consumers and which agency holds statutory responsibility for enforcement.
Most readers skim a notice like this, check whether they are personally affected, and move on. The more useful lens is to read it as a data point about the issuing system: how quickly FDA detected the hazard, how precise the geographic or product-identifier scope is, and whether similar notices have clustered in the same category or region in the last 90 days. Cluster patterns frequently precede a broader regulatory action, a single localized FDA recall is isolated; three of them within a quarter often indicate a supply-chain, infrastructure, or seasonal driver that will keep producing notices until something structural changes.
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What Happened
Guardian Drug Co. Inc. is recalling specific lots of KIRKLAND Signature ULTRA STRENGTH ANTACID because of the presence of foreign substance: small metallic particles in chewable tablets.
Which Products Are Affected
KIRKLAND Signature, ULTRA STRENGTH ANTACID, Calcium Carbonate, 1000 mg, 265-count bottle (NDC 63981-171-80). Affected lots: 1716059, 1716060, 1716061, 1716062, 1716063, 1716218, 1716219, 1716228, 1716229, 1716238 (Exp 2/28/2029); 1716258 (Exp 3/31/2029). Distributed nationwide in the United States.
What You Should Do
Consumers should stop using the affected product and contact the recalling firm for return or refund instructions.
Why This Matters
The Class II recall involves a product distributed across the U.S. that may cause temporary or reversible adverse health consequences.
Source
FDA recall number D-0557-2026; recalling firm Guardian Drug Co. Inc., Dayton, NJ.
Original source: FDA Official Notice ↗
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