DRINKS WITH ALKALINE NEGATIVE OXIDATIVE REDUCTION POTENTIAL IMPROVE EXERCISE PERFORMANCE IN PHYSICALLY ACTIVE MEN AND WOMEN: DOUBLE-BLIND, RANDOMIZED,PLACEBO-CONTROLLED, CROSS-OVER TRIAL OF EFFICACY AND SAFETY
by Sergej M. Ostojic, Boris Vukomanovic, Marko D. Stojanovic, Julio Calleja-Gonzalez, Bojan Medjedovic, Dragoljub Veljovic, Kristina Kanostrevac, Milos D. Obrenovic, Mirjana Stojanovic
Abstract:
In the current study we tested the hypothesis that an acute (7 days) intake of an alkaline negative oxidative reduction potential formulation (NORP) drink would reduce the rate of blood lactate accumulation during and after exercise, increase time to exhaustion, increase serum buffering capacity and not increase prevalence of adverse effects as compared to the control drink. Eleven participants (9 men and 2 women) met the criteria to take part in the study. Participants were randomized in a double-blind, cross-over design to receive the control and the NORP drinks within two single-week periods to study the efficacy of the NORP drink (at a dose of 1 L per day by oral administration). The NORP drink was supplied in bottles containing 2 g NORP, 6 g sucrose, 1-2 mg sodium per dose. The control drink was identically supplied and formulated except that it contained no NORP. Exercise testing was performed using a treadmill based ramp protocol. Blood glucose or total antioxidant capacity were not affected by supplementation (p > 0.05) while serum bicarbonates were significantly higher after the NORP trial (p < 0.05). Critical HR at the velocity of 8.1 mph during the test was significantly lower in NORP as compared to the control drink trial (p < 0.05). Blood lactate sampled at velocity 8.1 mph during the test was significantly lower in the NORP group (p < 0.05). No athletes reported any vexatious side effects of supplementation. It seems that NORP supplementation could have a beneficial effect on human performance during maximal exercise.
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