Multi-ingredient pre-workout supplementation changes energy system contribution and improves performance during high-intensity intermittent exercise in physically active individuals: a double-blind and placebo controlled study.
Adolescent
Adult
Cross-Over Studies
Dietary Supplements
Double-Blind Method
Energy Metabolism
/ drug effects
High-Intensity Interval Training
Humans
Lactic Acid
/ blood
Male
Oxygen Consumption
/ drug effects
Performance-Enhancing Substances
/ administration & dosage
Physical Endurance
/ drug effects
Running
Sports Nutritional Physiological Phenomena
Young Adult
Energy expenditure
Ergogenic aid
Performance fitness
Pre-workout drink
Journal
Journal of the International Society of Sports Nutrition
ISSN: 1550-2783
Titre abrégé: J Int Soc Sports Nutr
Pays: United States
ID NLM: 101234168
Informations de publication
Date de publication:
03 Jun 2020
03 Jun 2020
Historique:
received:
21
01
2020
accepted:
19
05
2020
entrez:
5
6
2020
pubmed:
5
6
2020
medline:
18
11
2020
Statut:
epublish
Résumé
Nutritional ergogenic aids are commonly used to boost physiological adaptations to exercise and promote greater fitness gains. However, there is a paucity of data about multi-ingredient pre-workout supplementation (MIPS). Therefore, the aim of the present study was to investigate the acute effects of MIPS on the oxidative, glycolytic and ATP-CP energy systems contribution, time spent above 90% V̇O Twelve physically-active and healthy men completed the HIIE sessions that involved running bouts of 15 s on the treadmill at 120% of the maximum aerobic speed (MAS), interspersed with 15 s of passive recovery. Blood lactate was collected at immediately post, 3, 5, and 7 min post exercise. The contribution of ATP-CP, glycolytic and oxidative systems was analyzed at rest, during the HIIE sessions and for 20 min post. Performance variables (time to exhaustion, number of efforts) and oxygen consumption were also analyzed. MIPS significantly increased the number of efforts performed (MIPS: 41 ± 10 vs Placebo: 36 ± 12, p = 0.0220) and time to exhaustion (MIPS: 20.1 ± 6 min vs Placebo: 17 ± 5 min, p = 0.0226). There was no difference between supplements for both T90% V̇O Acute MIPS ingestion appears effective at increasing both aerobic and anaerobic alactic energy contribution and time to exhaustion during a HIIE protocol.
Sections du résumé
BACKGROUND
BACKGROUND
Nutritional ergogenic aids are commonly used to boost physiological adaptations to exercise and promote greater fitness gains. However, there is a paucity of data about multi-ingredient pre-workout supplementation (MIPS). Therefore, the aim of the present study was to investigate the acute effects of MIPS on the oxidative, glycolytic and ATP-CP energy systems contribution, time spent above 90% V̇O
METHODS
METHODS
Twelve physically-active and healthy men completed the HIIE sessions that involved running bouts of 15 s on the treadmill at 120% of the maximum aerobic speed (MAS), interspersed with 15 s of passive recovery. Blood lactate was collected at immediately post, 3, 5, and 7 min post exercise. The contribution of ATP-CP, glycolytic and oxidative systems was analyzed at rest, during the HIIE sessions and for 20 min post. Performance variables (time to exhaustion, number of efforts) and oxygen consumption were also analyzed.
RESULTS
RESULTS
MIPS significantly increased the number of efforts performed (MIPS: 41 ± 10 vs Placebo: 36 ± 12, p = 0.0220) and time to exhaustion (MIPS: 20.1 ± 6 min vs Placebo: 17 ± 5 min, p = 0.0226). There was no difference between supplements for both T90% V̇O
CONCLUSION
CONCLUSIONS
Acute MIPS ingestion appears effective at increasing both aerobic and anaerobic alactic energy contribution and time to exhaustion during a HIIE protocol.
Identifiants
pubmed: 32493387
doi: 10.1186/s12970-020-00357-6
pii: 10.1186/s12970-020-00357-6
pmc: PMC7268479
doi:
Substances chimiques
Performance-Enhancing Substances
0
Lactic Acid
33X04XA5AT
Types de publication
Journal Article
Randomized Controlled Trial
Langues
eng
Sous-ensembles de citation
IM
Pagination
30Subventions
Organisme : Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
ID : Finance Code 001
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