Guardian Drug Co. Inc. has been the subject of 23 FDA enforcement/approval records tracked by Argus HQ, compared to 7 for Keystone Industries.
Guardian Drug Co. Inc.: 0 warning letters, 23 recalls, 0 approval records, 0 Form 483s.
Keystone Industries: 0 warning letters, 7 recalls, 0 approval records, 0 Form 483s.
Side by side
Guardian Drug Co. Inc. — Warning letters0
Keystone Industries — Warning letters0
Guardian Drug Co. Inc. — Recalls23
Keystone Industries — Recalls7
Guardian Drug Co. Inc. — Approval records0
Keystone Industries — Approval records0
Guardian Drug Co. Inc. — Form 483s0
Keystone Industries — Form 483s0
Timeline
Cite this comparison
Pre-formatted for a story, footnote, or reference list:
"Guardian Drug Co. Inc. vs Keystone Industries: FDA Enforcement Comparison." Argus HQ, accessed July 13, 2026. https://argushq.ai/compare/guardian-drug-co-inc-vs-keystone-industries
Source: FDA.gov (aggregated across Warning Letters, Recalls, Approvals, Form 483s) ↗