Yes! We believe this product is lactose free as there are no lactose ingredients listed on the label.

Is Mucinex Expectorant, 600 mg, 12 Hour, Extended-Release Bi-Layer Tablets Lactose Free?

Yes! We believe this product is lactose free as there are no lactose ingredients listed on the label.
Lactose Free? Mucinex Expectorant, 600 mg, 12 Hour, Extended-Release Bi-Layer Tablets | Spoonful