Todd, M., Stevens, W., Wagner, C., & Cramer, C. (1998). Effect of single dose protein supplement on blood lactate concentration after resistance exercise. Medicine and Science in Sports and Exercise, 30(5), Supplement abstract 97.

College students (N = 12) followed a prescribed diet (35 kcals/kg of body weight and 0.8 gm of protein/kg) for three days and during the treatment phase of the study. Initial testing was performed after three days of the diet. Treatment trials were performed three to four days apart.

Treatments consisted of ingestion of supplements 2.5 hours before to leg exercise high-resistance training. The supplements were a placebo, low protein supplementation (0.8 gm/kg), and high protein supplementation (1.6 gm/kg). Blood samples were taken before, during, and after training sessions and lactate concentrations measured.

There were no differences between any of the treatments for lactate accumulation.

Implication. Protein supplementation does not affect lactate accumulation following high resistance exercise.

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