Postexercise muscle glycogen recovery enhanced with a carbohydrate-protein supplement.

@article{Berardi2004PostexerciseMG,
  title={Postexercise muscle glycogen recovery enhanced with a carbohydrate-protein supplement.},
  author={John M Berardi and Thomas B. Price and Eric E. Noreen and Peter W R Lemon},
  journal={Medicine and science in sports and exercise},
  year={2004},
  volume={38 6},
  pages={
          1106-13
        }
}
PURPOSE This study assessed whether liquid carbohydrate-protein (C+P) supplements, ingested early during recovery, enhance muscle glycogen resynthesis versus isoenergetic liquid carbohydrate (CHO) supplements, given early or an isoenergetic solid meal given later during recovery (PLB). METHODS Two hours after breakfast (7.0 kcal.kg; 0.3 g.kg P, 1.2 g.kg C, 0.1 g.kg F), six male cyclists performed a 60-min time trial (AMex). Pre- and postexercise, vastus lateralis glycogen concentrations were… 

Figures from this paper

Recovery from a cycling time trial is enhanced with carbohydrate-protein supplementation vs. isoenergetic carbohydrate supplementation

Under these experimental conditions, liquid C+P ingestion immediately after exercise increases fat oxidation, increases recovery, and improves subsequent same day, 60 min efforts relative to isoenergetic CHO ingestion.

Increased carbohydrate oxidation after ingesting carbohydrate with added protein.

The data show that the inclusion of protein in a carbohydrate-recovery supplement can increase the oxidation of extramuscular carbohydrate sources during subsequent exercise without altering the rate of muscle glycogen degradation.

Co-ingestion of protein or a protein hydrolysate with carbohydrate enhances anabolic signaling, but not glycogen resynthesis, following recovery from prolonged aerobic exercise in trained cyclists

Supplementing CHO with intact sodium caseinate or an insulinotropic hydrolysate derivative augmented intracellular signaling associated with skeletal muscle protein synthesis following prolonged aerobic exercise.

The influence of carbohydrate and protein ingestion during recovery from prolonged exercise on subsequent endurance performance

In conclusion, increasing the energy content of these recovery solutions extended run time to exhaustion, irrespective of whether the additional energy originated from sucrose or whey protein isolate.

Carbohydrate-Protein Coingestion Enhances Cycling Performance with Minimal Recovery Time between Bouts of Exhaustive Intermittent Exercise

Carohydrate-protein co-ingestion was effective in promoting an increase in TTE performance with limited time to recover, as indicated by the ANCOVA.

Postexercise Carbohydrate–Protein Supplementation Improves Subsequent Exercise Performance and Intracellular Signaling for Protein Synthesis

It is indicated that postexercise CM supplementation can improve subsequent exercise performance and provide a greater intracellular signaling stimulus for PRO synthesis compared to CHO and placebo.

Nutritional strategies to promote postexercise recovery.

During postexercise recovery, optimal nutritional intake is important to replenish endogenous substrate stores and to facilitate muscle-damage repair and reconditioning to stimulate muscle protein synthesis, inhibit protein breakdown, and allow net muscle protein accretion.

Altered carbohydrate and protein content in sports beverages: Influence on recovery from heavy endurance exercise

Recovery beverages containing equal caloric content and differing proportions of carbohydrate/protein provided similar effects on muscle recovery and subsequent exercise performance in well-trained cyclists.

Muscle metabolism during exercise with carbohydrate or protein-carbohydrate ingestion.

When trained men ingest CHO at a rate on the upper end of the range generally recommended to improve endurance performance, coingestion of PRO does not alter specific markers proposed to reflect an enhanced capacity for skeletal muscle energy delivery.
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The results suggest that a CHO-Pro supplement is more effective for the rapid replenishment of muscle glycogen after exercise than a CHO supplement of equal CHO or caloric content.

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Although coingestion of a protein amino acid mixture in combination with a large CHO intake increases insulin levels, this does not result in increased muscle glycogen synthesis, and no difference was found in plasma glucose or in rate of muscle glycogenesis between the CHO and the CHO+Pro trials.

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The findings indicate that the rate of recovery is coupled with the rates of muscle glycogen replenishment and suggest that recovery supplements should be consumed to optimize Muscle glycogen synthesis as well as fluid replacement.