Arkopharma Arkoreal Jalea Real Mega Forte 2500Mg Sugar Free 20 ampoules is a sugar-free royal jelly in ampoule format, providing 2500mg of royal jelly per ampoule. Arkoreal® is a specialised range of sugar-free royal jelly. Royal jelly is a source of B vitamins such as thiamine, riboflavin, niacin, pantothenic acid, pyridoxine, inositol and folic acid, which are involved in numerous metabolic processes in the body.