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Table 3 Moderate taurine supplementation studies to date and outcomes

From: Taurine in sports and exercise

Author Participants Dosage (g) Timing of Dose Outcomes
Batitucci 2018 [3] 14 3 3 g of pure taurine (capsule) every day in the morning before breakfast, during an eight-week period No changes in energy expenditure or swimming performance; ↑ in plasma taurine and lactate concentrations
da Silva et al. [12] 21 .5 g·kg body mass/day (~ 4) One capsule per day for a total of 21 days, beginning 14 days before the eccentric protocol and continuing throughout the 7-day postexercise period ↑ strength levels and thiol total content; ↓ muscle soreness, LAD level, CK activity, and oxidative damage; Antioxidant enzymes and inflammatory markers, and IL-10 were not altered during the recovery period compared with the placebo group
Galloway [23] 7 First part: 1.66 g. Second part: 5 g/day and 6 g/day of placebo First part: Seven days of oral taurine (1.66 g) supplementation with breakfast and lunch. Second part: cycled for 2 h after 7 days of placebo ingestion (6 g glucose/day) and again following 7 days of T (5 g/day) No difference in muscle glycogen or other muscle metabolites between conditions; ↑ the appearance of amino acids following exercise; A 13-fold ↑ increase in plasma taurine concentration; No aerobic effects
Lee et al. [41] 24 4 Subjects were randomly divided into 4 groups (n = 6), and given a placebo, taurine (4 g/day), carnitine (4 g/day), or glutamine (4 g/day) tablets for 2 weeks. ↑ TTE (6.9 min or 9.0 min longer) at 75% of VO2max; ↓ serum Pi concentration measured at all-out state (14% ↓)
Lim et al. [42] 14 ~ 3 Either cellulose-filled placebo capsules (10 mg/kg body mass; P) or capsules providing 40 mg/kg1 body mass of taurine with 10 mg/kg1 body mass of cellulose (TAU) and drank 250 mL of water one hour prior to testing In the noncaffeine consumers, taurine resulted in a significant ↓ in maximal voluntary muscle power, ↓ in peak torque, ↓ in first and best power output; taurine ingestion in caffeine-deprived caffeine consumers ↑ maximal voluntary muscle power; no effect on other aspects of contractile performance
  1. ↑ = improved performance, ↓ = decreased performance, T/TAU taurine, P placebo, LAD lactate dehydrogenase, CK creatine kinase, IL-10 interleukin-10, TTE time to exhaustion, Pi = inorganic phosphate