Liquid Dietary Supplement. Gentle relief in 6 to 12 hours. With natural senna. No. 1 children's liquid laxative. 30% more! Original root beer taste. Made with natural senna. Fletcher's natural senna laxative provides gentle relief from occasional constipation. Widely used for centuries, senna contains natural plant compounds known as sennosides that have proven stimulant laxative actively. Fletcher's laxative uses only senna pods which are gentler on the system than senna leaves. (These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.).