A significant limitation is that oral bioavailability of silymarin is poor, with only a small percentage absorbed from the gastrointestinal tract
Cancer: Test-tube and animal studies suggest that it can reduce the growth and spread of various types of cancer (24)
Seek urgent medical assessment if you experience severe persistent abdominal pain (with or without vomiting), persistent vomiting preventing fluid intake, signs of dehydration such as dark urine or dizziness, or symptoms that do not improve after several weeks of treatment
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Nutrition Journal, 22 (1), 22
References Danaei G, et al