There is one MSM trusted world-wide with the enviable reputation for producing the safest, purest MSM in the world, and that of course is OptiMSM - fully crafted in the USA.
(not China or India)
OptiMSM Pure Organic Sulfur Powder/Crystal 4kg, and rest assured you have chosen an ultra-pure, high quality MSM
from a NZ (New Zealand) Online supplier.
OptiMSM uses an exclusive proprietary 4-stage distillation process
that ensures a minimum purity of 99.9%.
: OptiMSM® contains no yeast, dairy, egg, gluten, corn, soy or wheat, and has no added sugar, starch, salt, preservatives, or artifical color, flavor or frangrance. It's safe for individuals with food allergies, and for those choosing a vegetarian lifestyle.
For more info…