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

Is San J Sauce Tamari Soy Sauce Organic Wheat Free, 10 OZ (Pack of 6) Wheat Free?

Yes! The manufacturer claims that this product is Wheat free.
Wheat Free? San J Sauce Tamari Soy Sauce Organic Wheat Free, 10 OZ (Pack of 6) | Spoonful