Guardian Drug Co. Inc. has been the subject of 23 FDA enforcement/approval records tracked by Argus HQ, compared to 1 for Preferred Pharmaceuticals, Inc..
Guardian Drug Co. Inc.: 0 warning letters, 23 recalls, 0 approval records, 0 Form 483s.
Preferred Pharmaceuticals, Inc.: 0 warning letters, 1 recall, 0 approval records, 0 Form 483s.
Side by side
Guardian Drug Co. Inc. — Warning letters0
Preferred Pharmaceuticals, Inc. — Warning letters0
Guardian Drug Co. Inc. — Recalls23
Preferred Pharmaceuticals, Inc. — Recalls1
Guardian Drug Co. Inc. — Approval records0
Preferred Pharmaceuticals, Inc. — Approval records0
Guardian Drug Co. Inc. — Form 483s0
Preferred Pharmaceuticals, Inc. — Form 483s0
Timeline
Cite this comparison
Pre-formatted for a story, footnote, or reference list:
"Guardian Drug Co. Inc. vs Preferred Pharmaceuticals, Inc.: FDA Enforcement Comparison." Argus HQ, accessed July 13, 2026. https://argushq.ai/compare/guardian-drug-co-inc-vs-preferred-pharmaceuticals-inc
Source: FDA.gov (aggregated across Warning Letters, Recalls, Approvals, Form 483s) ↗