The present invention relates to compositions and methods to increase nitric oxide production to: accelerate wound healing, reduce complications from surgery as well as accelerating the recovery period after surgery. The compositions comprise of l-arginine and l-citrulline in ratios and dosages which enable enhanced bioavailability. The method for using the composition for promoting surgery recovery and preparedness includes the step of administering the composition to a patient pre-procedure as well as post-procedure in accordance with a prescribed protocol. The compositions may be customized to include one or more additional agents that are effective for promoting nutritional health and/or treating a particular medical problem.