Guardian Drug Co. Inc. has been the subject of 23 FDA enforcement/approval records tracked by Argus HQ, compared to 1 for Macau-Union Pharmaceutical Limited.
Guardian Drug Co. Inc.: 0 warning letters, 23 recalls, 0 approval records, 0 Form 483s.
Macau-Union Pharmaceutical Limited: 1 warning letter, 0 recalls, 0 approval records, 0 Form 483s.
Side by side
Guardian Drug Co. Inc. — Warning letters0
Macau-Union Pharmaceutical Limited — Warning letters1
Guardian Drug Co. Inc. — Recalls23
Macau-Union Pharmaceutical Limited — Recalls0
Guardian Drug Co. Inc. — Approval records0
Macau-Union Pharmaceutical Limited — Approval records0
Guardian Drug Co. Inc. — Form 483s0
Macau-Union Pharmaceutical Limited — Form 483s0
Timeline
Cite this comparison
Pre-formatted for a story, footnote, or reference list:
"Guardian Drug Co. Inc. vs Macau-Union Pharmaceutical Limited: FDA Enforcement Comparison." Argus HQ, accessed July 13, 2026. https://argushq.ai/compare/guardian-drug-co-inc-vs-macau-union-pharmaceutical-limited
Source: FDA.gov (aggregated across Warning Letters, Recalls, Approvals, Form 483s) ↗