Drug profile

The FDA adverse-event record for Sam-E, Silybin, Vitamin E, Zinc

495 FDA reports name Sam-E, Silybin, Vitamin E, Zinc, a high-volume drug in the CVM extract. Species, reactions, and outcomes follow.

#304 of 2,679
by report volume (all drugs)
495
adverse-event reports
25.7%
death-coded share
Dog
most-reported species

Corpus placement

According to the FDA Center for Veterinary Medicine openFDA adverse-event extract, Sam-E, Silybin, Vitamin E, Zinc ranks #304 of 2679 by total reports (495) and #160 of 1130 by death-coded share (25.7%). National dual: Milbemycin Oxime + Spinosad is #1 of 2679 drugs by total adverse-event reports (149,624) at death-coded-share rank 965 of 1130 drugs with at least 50 reports (2.3%); separately, Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) is #1 highest death-coded share at 97.8% (report rank #821).

149,624
Milbemycin Oxime + Spinosad reports (#1)
97.8%
Atlantic Salmon Transgenic Whole (Opafp-Ghc2 Rdna Construct Inserted Into The A-Locus In The Eo-1A Lineage) death share (#1)
#304
This drug, reports of 2679
#160
This drug, death share of 1130

Report volume reflects how common a breed or drug is and how often owners and vets file — not actual risk. Death-coded share ranks are limited to entries with enough reports to be meaningful. The two maps do not agree at #1.

Release-over-release change

What changed in the latest FDA data snapshot

PlainBreed reconstructed the prior snapshot from dated openFDA partitions through 2025 Q4, then compared it with the 2026-07-27 openFDA export. Sam-E, Silybin, Vitamin E, Zinc has 495 reports now versus 495 in that prior snapshot: 0 the same number of (0.0%).

Report change
+0
Death-coded reports
+0
Death-coded share
−0.0 pts

This compares reported-event counts in two source snapshots. It does not establish a change in real-world risk, product safety, or disease incidence.

Subscribe to Sam-E, Silybin, Vitamin E, Zinc changes

Signature read: death-coded report count at 127 is the most distinctive stamp on Sam-E, Silybin, Vitamin E, Zinc's FDA AER row.

Important: Adverse event reports do not establish that a drug caused or contributed to the event. Consult your veterinarian before making treatment decisions.
495
Total Reports
127
Deaths Reported
25.7%
Death-coded share of reports

Active Ingredients

Sam-E, Silybin, Vitamin E, Zinc

Administration Routes

UnknownOralSubcutaneousOphthalmic

Species Affected

Dog 474
Cat 21

Most Affected Breeds

Retriever - Labrador 126
Shih Tzu 20
Chihuahua 18
Maltese 15
Domestic Shorthair 14
Beagle 13
Retriever - Golden 11
Mixed (Dog) 10
Boxer (German Boxer) 10
Crossbred Canine/dog 10

Most Reported Reactions

Elevated alanine aminotransferase (ALT) 242
Vomiting 193
Elevated serum alkaline phosphatase (SAP) 187
Anorexia 150
Elevated total bilirubin 147
Lethargy (see also Central nervous system depression in 'Neurological') 143
Elevated liver enzymes 131
Other abnormal test result NOS 100
Abnormal ultrasound finding 89
Weight loss 80
Death by euthanasia 80
Icterus 68

Outcome Breakdown

Ongoing
279 (56.1%)
Euthanized
82 (16.5%)
Recovered/Normal
51 (10.3%)
Died
45 (9.1%)
Outcome Unknown
40 (8.0%)

Sam-E, Silybin, Vitamin E, Zinc: high death-coded share in the FDA AER row

Read these counts as reporting volume, not risk: per our methodology, a widely-prescribed drug will rack up more raw FDA reports in a given year than a rarely-used one at an identical true rate, so we recommend comparing within similar-exposure products rather than across the full 2025 catalog.

High-volume nationwide drug peers

Two openFDA-derived peer sets for Sam-E, Silybin, Vitamin E, Zinc, both floored at ≥50 reports so the neighborhoods stay in the advertised mass.

Similar death-coded share

Nearest other drugs by death-coded share (25.7% here), distinct from the volume row.

What to do with this drug

  • Compare Sam-E, Silybin, Vitamin E, Zinc's report volume and death-coded share against similar drugs nationwide. See similar drugs
  • Read how death-coded share differs from a mortality rate before drawing conclusions. Understanding adverse events
  • Browse the full drug directory to compare report counts across products. All drugs

A report does not prove a drug caused the reaction; consult a veterinarian before acting on this data.

Source: FDA Center for Veterinary Medicine openFDA Animal & Veterinary Adverse Events (CVM AER) · 2025

openFDA Animal & Veterinary Adverse Events (FDA CVM) for Sam-E, Silybin, Vitamin E, Zinc (#304 of 2,679 by report volume); death-coded 25.7%. PlainBreed drug row · death-coded report count stamp 127 · vintage 2025.

Informational only. FDA adverse-event reports are voluntary and do not prove causation; consult a veterinarian before acting on them. Verify with FDA CVM →