Is Metamucil Considered Soluble Fiber?
Is Metamucil Considered Soluble Fiber? Metamucil is a soluble fiber supplement made from psyllium. It’s commonly used to support digestive health, decrease cholesterol, reduce appetite, and improve blood sugar levels. Is psyllium soluble or insoluble fiber? Psyllium is a soluble fiber derived from the seeds of Plantago ovata, an herb grown mainly in India (1).