I've been taking the regular strength for about 2 years now and so has my son. We both love them and have benefited greatly by taking them. Recently, my son said to me, "Mom, I've tried using cascara sagrada in place of these, they don't cost as much. He goes on to recommend that I try them instead." Well, I did for about 2 weeks and found out quickly that it was soooooooooooooooooooooooooooo NOT the same! When I began to mention that to him, he quickly interrupted me and said, "look, those ...