Scivation xtend is one of the best selling most advanced bcaa drink supplements available providing you with the perfect supplement choice to help keep your body refuelled in amino acidsr scivation xtend delivers 7g bccas in the optimum 211 ratio delivering l leucine l isoleucine and valine alongside 2500mg glutamine and 1000mg citrulline malate to ensure maximum effect and improved recovery speedsr scivation xtend drink mix also provides you with a blend of rehydrating electrolytes to