Milk Thistle Supplements: Benefits, Dosage and Safety
Milk thistle supplements contain silymarin and are widely used for liver health. Research in hepatitis and fatty liver disease has produced mixed results, and NCCIH says there isn't enough evidence that it helps. It appears generally safe.
Evidence at a glance
| Use | Grade | What the research shows |
|---|---|---|
| Liver disease (hepatitis, fatty liver) | C | Studies show mixed or no clear benefit. |
A: strong, consistent human evidence · B: moderate · C: limited or mixed · D: good evidence of no benefit.
Milk thistle is a flowering plant used for liver complaints since ancient times.
How to take it
Discuss with your doctor if you have liver disease. See liver health supplements.
Safety and interactions
May cause digestive upset or allergic reactions in people allergic to ragweed and related plants.
Always tell your doctor and pharmacist about the supplements you take. Check combinations with our interaction checker.
Sources
This page is for education and is not a substitute for advice from your doctor. Read our medical disclaimer.