American Regent, Inc. vs Guardian Drug Co. Inc.: FDA Enforcement Comparison

Guardian Drug Co. Inc. has been the subject of 23 FDA enforcement/approval records tracked by Argus HQ, compared to 1 for American Regent, Inc..

American Regent, Inc.: 0 warning letters, 1 recall, 0 approval records, 0 Form 483s.

Guardian Drug Co. Inc.: 0 warning letters, 23 recalls, 0 approval records, 0 Form 483s.

Side by side

American Regent, Inc. — Warning letters0

Guardian Drug Co. Inc. — Warning letters0

American Regent, Inc. — Recalls1

Guardian Drug Co. Inc. — Recalls23

American Regent, Inc. — Approval records0

Guardian Drug Co. Inc. — Approval records0

American Regent, Inc. — Form 483s0

Guardian Drug Co. Inc. — Form 483s0

Timeline

American Regent, Inc.

Most recent FDA action: May 6, 2026

Full history →

Guardian Drug Co. Inc.

Most recent FDA action: June 10, 2026

Full history →

Cite this comparison

Pre-formatted for a story, footnote, or reference list:

"American Regent, Inc. vs Guardian Drug Co. Inc.: FDA Enforcement Comparison." Argus HQ, accessed July 13, 2026. https://argushq.ai/compare/american-regent-inc-vs-guardian-drug-co-inc

Source: FDA.gov (aggregated across Warning Letters, Recalls, Approvals, Form 483s) ↗