The Original GHT Probiotic! For over a decade this superior product has provided selected beneficial microflora to the intestinal tract for the purpose of replenishing needed friendly flora to promote intestinal health. Packaged in individual sachets with a pleasant lemon taste, Threelac fits conveniently into your active lifestyle. ThreeLac is a powerful probiotic formulation of three potent microflora in a lemon-powder base. Probiotics are a valuable part of a healthy diet, and may play an important role in sustaining overall intestinal health. The prevalence of intestinal imbalances makes a focus on probiotics essential. Prevention of imbalance before it occurs is clearly the better alternative. Probiotics may be a safe, cost-effective, "natural" approach that may help act as a barrier against microbial infection. Benefits of Ideal Intestinal Micro-Flora Friendly flora perform a number of constructive functions in the intestinal tract. One main function is to help prevent occasional good/bad flora imbalance. The "good" flora do this by crowding out the "bad" in the intestinal tract.