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Table 1 (abstract A9). Study characteristics

From: Novelties in Sport Sciences

Study N Study design Intake protocols Outcome
Ostojic et al. [2] 36 RT,
SB
4 tablets x 3 oral (2g per day)
6 times per day for 20 min topical
14 days
Plasma viscosity ↓
(ROM) recovery ↑
CRP →
Interleukin 6 →
Pain scores →
Drid et al. [4] 8 RT, DB, PC, CO 300 mL of HRW
30 min before exercise
4 days
pH ↑
Bicarbonate (mmol/L) ↔
Lactate (mmol/L) ↓
Heart rate (beats per min) ↔
Aoki et al. [5] 10 RT, DB, PC, CO 500mL × 3 before exercise
7 days
d-ROMs, →
BAP →
CK →
Lactate ↓
Peak torque ↑
Ponte et al.
[6]
8 RT, PC, SB, CO 2 L per day
(pH9.8, free hydrogen content 450 ppb)
14 days
PPO ↑
pH →
Lactate →
HCO3
Mikami et al. [7] 159 RT, DB, PC 500mL
0,8mh/L (0,8ppm)
1,0 mg/L (1.0ppm)
VO2max ↑
VAS ↓
Javorac et al. [3] 20 RT, DB, PC, CO 20 min inhalation
7 days
CRP ↓
FER ↓
ESR →
IGF-1 ↓
MVIS ↑
MRS ↑
VO2max →
  1. Legend: RT: randomized trial; DB: double-blinded; PC: placebo-controlled; CO: cross-over; SB: single-blinded; N: participants; HRW: Hydrogen-rich water; d-ROMs: diacron reactive oxygen metabolites; BAP: biological antioxidant potential; CK: creatine kinase; ESR: Erythrocyte sedimentation rate; CRP: C-reactive protein; IGF-1: Insulin-like growth factor 1; MVIS: Maximal voluntary isometric strength; VO2max: Maximal oxygen uptake; VAS: Visual analogue scale; FER: feritin; MRS: maximal running speed; PPO: Peak power output; (ROM) range of motion; ↑- increased; ↓: decrease; ↔ no change