Tip - Can You Eat Too Much Metamucil? | LIVESTRONG.COM

Metamucil is a brand name for a fiber supplement containing psyllium. Produced by Procter & Gamble, Metamucil is available in powder form, single-serve powder packs and wafers, all in various flavors, as well as in capsules. Taking too much Metamucil can cause negative effects, and taking it for too long can do so also.