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

Is MSM 100% (METHYL-SULFONYL-METHANE) 1800MG – 225G POWDER Soy Free?

No. This product is not soy free as it lists 1 ingredient that contains soy.
Soy Free? MSM 100% (METHYL-SULFONYL-METHANE) 1800MG – 225G POWDER | Spoonful