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Milk thistle
Also called: Silymarin, Silybum marianum
A seed extract traditionally used to support the liver. Its active compounds, silymarin, act as antioxidants in liver cells.
Commonly used for
- Liver support
- Fatty liver (as part of a broader plan)
- Supporting the liver during medication or alcohol recovery (with your provider)
Found naturally in
- Milk thistle seeds, traditionally ground or brewed as a tea
Label red flags
- No silymarin percentage listed
- 'Liver detox' blends with undisclosed amounts
Check with a provider
- Allergy to ragweed, daisies, or related plants
- Taking diabetes medicine (it may lower blood sugar)
- Taking medicines processed by the liver. Review your list with your provider.
- Hormone-sensitive conditions (it may have weak estrogen-like effects)
Supplements that contain it
Brand nameProduct nameLiver support formulasComing soon
Brand nameProduct nameDetox formulasComing soon
Brand nameProduct nameLiver support formulasComing soon
Brand nameProduct nameDetox formulasComing soon
Brand nameProduct nameLiver support formulasComing soon
Brand nameProduct nameDetox formulasComing soon
Parts of the body it affects
Explore what each area does and the conditions that can affect it.
Illustrations: Servier Medical Art, CC BY 4.0
Wondering if your symptoms fit a pattern?
Dr. Lesher is a naturopathic doctor who specializes in women's autoimmune and chronic conditions. Since 2020, she has helped more than 900 patients overcome and heal from their conditions.