Chain'd Out Reaction is Glycogen Super Overload. Chain'd Out Reaction is Vegan Friendly & Gluten Free. Chain'd Reaction is an excellent nutritional product for carbohydrate loading and may be mixed with and/or Chain'd Out. Chain'd Reaction Supports the Following: Dramatically increase muscle glycogen-overload, long-term energy reserves and muscle volumization with Chain'd Out Reaction. The fastest GI clearance rate of all challengers. Draws nutrients into the blood stream. No bloating. Lowest osmotic response. Optimal electrolyte modulation. Inhibits fat stores. Begins digestion as soon as you mix it. No stomach or GI upset.