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

Is Calgon 3-in-1 Washing Machine Water Softener Tablets Nightshade Free?

Yes! We believe this product is nightshade free as there are no nightshade ingredients listed on the label.
Nightshade Free? Calgon 3-in-1 Washing Machine Water Softener Tablets | Spoonful