Caffeine Combined With Sodium Bicarbonate Improves Pacing and Overall Performance During a High-Intensity Time Trial

Correia-Oliveira, Carlos Rafaell; Franchini, Emerson

doi:10.1080/02701367.2022.2031847

Cited by 3 publications

(4 citation statements)

References 51 publications

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“…For example, complete blockade of group III/IV afferent feedback during cycling exercise elicits a similar pattern of high power output during the initial part followed by a drop in power output below the control condition during the latter part of a 5‐km time trial (∼8 min duration) (Blain et al., 2016). Other studies utilizing cycling time trials have observed similar effects on pacing with caffeine (Correia‐Oliveira & Lopes‐Silva, 2022; Ferreira Viana et al., 2020; Jessen et al., 2021). Plasma lactate, K + and pH were unaltered between trials suggesting that muscle lactate or K + transport capacity were not responsible for the altered pacing strategy.…”

Section: Discussionmentioning

confidence: 58%

Active ischemic pre‐conditioning does not additively improve short‐term high‐intensity cycling performance when combined with caffeine ingestion in trained young men

Jessen,

Zeuthen,

Sommer Jeppesen

et al. 2024

European Journal of Sport Science

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We investigated the effect of ischemic preconditioning (IPC) with and without caffeine supplementation on mean power output (MPO) during a 4‐min cycling time‐trial (TT). In a double‐blinded, randomized, crossover‐design, 11 trained men performed a TT on 4 days separated by ∼1 week. One hour before TT, participants ingested either caffeine (3 mg kg bw−1) or placebo pills, after which femoral blood‐flow was either restricted with occlusion cuffs inflated to ∼180 mmHg (IPC), or sham‐restricted (0–10 mmHg; Sham) during 3 × 2‐min low‐intensity cycling (10% of incremental peak power output). Then, participants performed a standardized warm‐up followed by the TT. Plasma lactate and K+ concentrations and ratings of perceived exertion (RPE) were measured throughout trials. TT MPO was 382 ± 17 W in Placebo + Sham and not different from Placebo + IPC (−1 W; 95% CI: −9 to 7; p = 0.848; d: 0.06), whereas MPO was higher with Caffeine + Sham (+6W; 95% CI: −2 to 14; p = 0.115; d: 0.49) and Caffeine + IPC (+8 W; 95% CI: 2–13; p = 0.019; d: 0.79) versus Placebo + Sham. MPO differences were attributed to caffeine (caffeine main‐effect: +7 W; 95% CI: 2–13; p = 0.015; d: 0.54. IPC main‐effect: 0 W; 95% CI: −6 to 7; p = 0.891; d: 0.03; caffeine × IPC interaction‐effect: p = 0.580; d: 0.17). TT RPE and plasma variables were not different between treatments. In conlcusion, IPC with co‐ingestion of placebo does not improve short‐term high‐intensity performance in trained men versus a double‐placebo control (Placebo + Sham) and does not additively enhance performance with caffeine. These data do not support IPC as a useful strategy for athletes prior to competition but confirms caffeine's performance‐enhancing effect.

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Section: Discussionmentioning

confidence: 58%

Active ischemic pre‐conditioning does not additively improve short‐term high‐intensity cycling performance when combined with caffeine ingestion in trained young men

Jessen,

Zeuthen,

Sommer Jeppesen

et al. 2024

European Journal of Sport Science

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“…Additionally, three studies evaluated the combined supplementation of caffeine and creatine in the context of cycling [ 40 , 41 , 42 ], while three studies investigated the combined use of caffeine and sodium bicarbonate [ 43 , 44 , 45 ]. One study examined the concurrent consumption of caffeine and nitrates [ 46 ], and another focused on supplementation with creatine and sodium bicarbonate [ 47 ].…”

Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

“…Three articles were included in the review investigating the combined use of caffeine and sodium bicarbonate in cycling [ 43 , 44 , 45 ]. Among them, only Correia-Oliveira and Lopes-Silva [ 45 ] reported improvements in performance in a 4-km time trial. They observe a 2.3% reduction in the time required to complete the exercise and a 4.97% increase in applied power after supplementing with caffeine and sodium bicarbonate compared to the groups that consumed sodium bicarbonate or a placebo.…”

Section: Resultsmentioning

confidence: 99%

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Nutritional Ergogenic Aids in Cycling: A Systematic Review

Valiño-Marques,

Lamas,

Miranda

et al. 2024

Nutrients

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This systematic review aimed to evaluate the effectiveness of the independent or combined use of nutritional ergogenic aids belonging to Group A of the ABCD classification by the Australian Institute of Sport (AIS) in the context of cycling (caffeine, creatine, sodium bicarbonate, beta-alanine, nitrates, and glycerol). A comprehensive search was carried out using three databases: PubMed, Scopus, and Web of Science. All the databases were searched for Randomized Controlled Trials or crossover design studies assessing the effects of supplementation on cycling performance in comparison with placebos in healthy adults. The methodological quality of each study was evaluated using the Physiotherapy Evidence Database scale. Thirty-six articles involving 701 participants were included in this review, examining supplementation with caffeine (n = 5), creatine (n = 2), sodium bicarbonate (n = 6), beta-alanine (n = 3), and nitrates (n = 8). Additionally, supplemental combinations of caffeine and creatine (n = 3), caffeine and sodium bicarbonate (n = 3), caffeine and nitrates (n = 1), creatine and sodium bicarbonate (n = 1), and sodium bicarbonate and beta-alanine (n = 4) were analyzed. A benefit for cyclists’ athletic performnce was found when consuming a caffeine supplement, and a potential positive effect was noted after the consumption of sodium bicarbonate, as well as after the combination of caffeine and creatine. However, no statistically significant effects were identified for the remaining supplements, whether administered individually or in combination.

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Effect of Acute Sodium Bicarbonate and Caffeine Coingestion on Repeated-Sprint Performance in Recreationally Trained Individuals: A Randomized Controlled Trial

Ferragut,

Gonzalo-Encabo,

López-Samanes

et al. 2024

International Journal of Sports Physiology and Performance

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Introduction: The acute and isolated ingestion of sodium bicarbonate (NaHCO3) and caffeine (CAF) improves performance and delays fatigue in high-intensity tasks. However, it remains to be elucidated if the coingestion of both dietary supplements stimulates a summative ergogenic effect. This study aimed to examine the effect of the acute coingestion of NaHCO3 and CAF on repeated-sprint performance. Methods: Twenty-five trained participants (age: 23.3 [4.0] y; sex [female/male]: 12/13; body mass: 69.6 [12.5] kg) participated in a randomized, double-blind, placebo (PLA) -controlled, crossover study. Participants were assigned to 4 conditions: (1) NaHCO3 + CAF, (2) NaHCO3, (3) CAF, or (4) PLA. Thus, they ingested 0.3 g/kg of NaHCO3, 3 mg/kg of CAF, or PLA. Then, participants performed 4 Wingate tests (Wt), consisting of a 30-second all-out sprint against an individualized resisted load, interspersed by a 1.5-minute rest period between sprints. Results: Peak (Wpeak) and mean (Wmean) power output revealed a supplement and sprint interaction effect (P = .009 and P = .049, respectively). Compared with PLA, NaHCO3 + CAF and NaHCO3 increased Wpeak performance in Wt 3 (3%, P = .021) and Wt 4 (4.5%, P = .047), while NaHCO3 supplementation increased mean power performance in Wt 3 (4.2%, P = .001). In Wt 1, CAF increased Wpeak (3.2%, P = .054) and reduced time to Wpeak (−8.5%; P = .008). Plasma lactate showed a supplement plus sprint interaction (P < .001) when NaHCO3 was compared with CAF (13%, P = .031) and PLA (23%, P = .021). Conclusion: To summarize, although the isolated ingestion of CAF and NaHCO3 improved repeated-sprint performance, the coingestion of both supplements did not stimulate a synergic ergogenic effect.

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Caffeine Combined With Sodium Bicarbonate Improves Pacing and Overall Performance During a High-Intensity Time Trial

Cited by 3 publications

References 51 publications

Active ischemic pre‐conditioning does not additively improve short‐term high‐intensity cycling performance when combined with caffeine ingestion in trained young men

Active ischemic pre‐conditioning does not additively improve short‐term high‐intensity cycling performance when combined with caffeine ingestion in trained young men

Nutritional Ergogenic Aids in Cycling: A Systematic Review

Effect of Acute Sodium Bicarbonate and Caffeine Coingestion on Repeated-Sprint Performance in Recreationally Trained Individuals: A Randomized Controlled Trial

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