Finally, your stomach can feel youthful again and still be healthy. Metamucil Fiber Thins are delicious cookies that are actually good for Y-O-U. While having Metamucil in your diet can make you feel as if a few more gray hairs are on the horizon the cookie version keeps you playing on the swings. Your taste buds will keep this secret and tonight G-D willing I hope to prove this to the world… Metamucil Fiber Thins my stomach has found the fountain of youth or at least it tastes like that.