Yes! The manufacturer claims that this product is lactose free.

Is Renew Life® Adult Daily Digestive Organic Prebiotic Fiber, Fiber Powder Supplement, 8.5 oz. Lactose Free?

Yes! The manufacturer claims that this product is lactose free.
Lactose Free? Renew Life® Adult Daily Digestive Organic Prebiotic Fiber, Fiber Powder Supplement, 8.5 oz. | Spoonful