Natural milk thistle capsules for liver health are good for more than just your liver. They aid with digestion, cleansing, and boosting energy levels in general. A lot of individuals take them to get over bad eating habits or being around toxins from time to time. Milk thistle may also be good for your skin since it lowers toxins in the body that may cause breakouts or dullness. It may also help the immune system work better by making the liver work better, which is important for general health and balance.