No. This product is not soy free as it lists 1 ingredient that contains soy.

Is Mucinex Fast-Max Cold & Flu, Maximum Strength, Arctic Burst Soy Free?

No. This product is not soy free as it lists 1 ingredient that contains soy.
Soy Free? Mucinex Fast-Max Cold & Flu, Maximum Strength, Arctic Burst | Spoonful