Is butter gluten free?
Butter is completely gluten free. Butter is by definition is made from cream and does not contain gluten. Although there is a remote possibility in gluten to be present if flavoring is added, the label would tell if there is any wheat included.
Is margarine gluten free?
You will find that most margarine available is completely gluten free, especially all major brands including Smart Balance, Earth Balance, Olivio, Country Crock, Land O’ Lakes, I Can’t Believe Its Not Butter, Blue Bonnet, Fleishmann’s and Imperial.
It is important to realize a possible source of gluten in butter and margarine products could be due to cross contamination during use. If crumbs from gluten-containing bread or toast accidentally enter the product it could cause a reaction to those sensitive to gluten.