Dr Wills Avocado Oil Mayo Sugar Free 175g. Mayonnaise made with artificial flavours?. You have to be yoking. Probably the best mayo you've never tasted. Honestly. With 8 avocados per jar!. DOLLOP, DIP, DIVE IN. All of our mayonnaise recipes are sugar free and are packed full of quality ingredients, carefully chosen by us for the best possible taste. So each jar provides a truly natural dollop of flavour.