Table 3. Chronic NaHCO3 supplementation.
Article Athletes Supplementation (type/dose) Ingestion (min before exercise) Exercise Exercise Time Intensity Side Effects Effects of NaHCO3
Durkalec-Michalski et al. 2018 Competitive wrestlers Tablet; progressive regimen: 0.025–0.1 g/kg BM 3 times/day for 10 days Wingate cycling + wrestling specific test 4 min High None YES/NO Only time-to-peak power in the second Wingate test was improved with NaHCO3 (f2=4%; p=0.001).
Tobias et al. 2013 Martial arts athletes Capsule; 0.5 g/kg BM 4* 0,012g /kg BM/day for 7 days Upper body Wingate test 2 min High Mild YES Serial NaHCO3 supplementation enhanced performance by 8% (ES: 1.54; p<0.002).
Oliveira et al. 2016 Mixed athletes Capsule; 0.125 g/kg BM 4 times/day for 5 days Upper body Wingate test 2 min High Mild YES NaHCO3 supplementation is effective at improving performance (F=3.4; p=0.02)
Driller et al. 2013 National team rowers Capsule; 0.3 g/kg BM 2 days/week for 8 weeks 2000 m rowing, HIT test 6.10 – 7 min High Mild NO Serial supplementation of NaHCO3 before HIT provides no benefits to performance (p>0.05)
Joyce et al. 2012** Competitive swimmers Capsule; 0.1 g/kg BM 3 times/day for 3 days 2 x 200 m swim <2 min High Mild NO Chronic supplementation of NaHCO3 had no effect on swimming performance (F=0.48; p=0.8).
**paper is displayed twice as acute and chronic supplementation and was investigated separately. Abbreviations: g: Gram; kg: Kilogram; BM: Body mass; min: Minutes; m: Meter; NaHCO3: Sodium Bicarbonate; High: Maximum effort; Mild: Minimum discomfort; None: No discomfort; HIT; High intensity training. f2: Cohen’s f2; F= Fisher’s F test.