Renew Life's CleanseSMART Kit is a two-part, 30-day herbal cleansing program specifically formulated to cleanse and detoxify the entire body, with added focus on the body's two main detoxification pathways, the liver and the colon. Designed to reduce the toxic load in your body and relieve occasional constipation, CleanseSMART also contains silymarin, a mixture of flavonolignans isolated from the botanical seed milk thistle, an herbal ingredient traditionally used for liver protection