Swanson Colon Helper is a carefully developed herbal formula that supports healthy digestive function and elimination. Unique blend includes slippery elm, aloe and more to help cleanse toxins from the intestinal tract. Features: Promotes healthy digestive function and elimination Carefully developed and tested formula for optimal results Features vervian, goldenseal root, slippery elm bark and more Per GMP guidelines set forth by the FDA, most products are formulated for 24 months from the date of manufacture. Liquids and probiotics are formulated for 12 months.