Yirsa Fiber System Natural

What the brand says

Yirsa Fiber System is a supplement powder containing oats, flaxseed powder, guar gum, senna leaf powder, vitamins, and minerals. This natural-flavored powder mixes easily with water, juice, or smoothies and is intended for daily use according to the product label. Store refrigerated after opening. Keep out of reach of children and do not exceed the recommended serving size.