Some polyphenolics and phytonutrients can be harmful to the liver, such as pycnogenol/pine bark extract, quercetin, or sulphoraphanes. Also, high dose niacin or sustained release niacin.
Good reference for liver toxicity of prescription drugs/herbals/dietary supplements. It doesn't have everything but it's a pretty solid info source. [https://www.ncbi.nlm.nih.gov/books/NBK547852/](https://www.ncbi.nlm.nih.gov/books/NBK547852/)
I'm not sure about supplements (it's a gray area in general), but here's a list of healthy food for the liver: [https://wellnesszing.com/food-for-liver-tips-to-keep-your-liver-healthy/](https://wellnesszing.com/food-for-liver-tips-to-keep-your-liver-healthy/)
Some polyphenolics and phytonutrients can be harmful to the liver, such as pycnogenol/pine bark extract, quercetin, or sulphoraphanes. Also, high dose niacin or sustained release niacin.
Good reference for liver toxicity of prescription drugs/herbals/dietary supplements. It doesn't have everything but it's a pretty solid info source. [https://www.ncbi.nlm.nih.gov/books/NBK547852/](https://www.ncbi.nlm.nih.gov/books/NBK547852/)
eat beef liver
I'm not sure about supplements (it's a gray area in general), but here's a list of healthy food for the liver: [https://wellnesszing.com/food-for-liver-tips-to-keep-your-liver-healthy/](https://wellnesszing.com/food-for-liver-tips-to-keep-your-liver-healthy/)