Looking at Endurox R4,you can buy most of the stuff in it separately. Antioxidants (vit C), lecithin, complex carbs (you can buy oats), L-glutamine, vitamin E acetate, magnesium. Branched Chain Amino Acid and glutamine is basically what Xtend is (above). Or if u want to save money you can buy those separately as well. It also contains a cheap source of whey protein (concentrate). You can buy everything seperately and throw them in a shake and save some money and/or get more for what you pay for.
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