Suitable for gluten free & vegetarian diets. No added colors or flavors. Not genetically engineered and does not contain high fructose corn syrup. Made in small batches. Using traditional open copper pans, the highest quality ingredients and our authentic methods, we ensure rich flavors in every batch and that special home-made taste you expect from Mackays. Since 1938. Made the authentic way in copper pans. mackays.jams. Scan with smartphone. Facebook/mackays.jams. Made in Scotland.