Effects of protein supplementation in fitness world: A 12-week cross-over studio

Patrizia Proia, Sara Baldassano, Alessandra Amato, Giuseppe Messina, Giuseppe D'Amico

Risultato della ricerca: Articlepeer review


The aim of this project was to evaluate the effect of isolated protein supplementation in young amateur athletes. Sixteen subjects aged between 20 and 30 were recruited for this study. Before to start sports performance was assessed at T0, in all subjects, using physical performance test and evaluated body composition. Therefore, the subjects were randomly assigned in two groups (group A and B) of 8 subjects each. The group A start to intake 30 g of protein powder diluted in water after each training session (3 times a week) for six weeks (T0) whilst the group B was the placebo. After 6 weeks (T1), the measurement were repeated for all subjects and the group A became placebo and the group B started with the supplementation. At the end of 6 weeks (T2) we carried out all the tests were performed again. Results showed a significant improvement in almost all tests between T0 and T2 within the same group (p <.05), but not significant difference was found between the start and the end of protein's intake period in both groups. In conclusion, supplementation did not have affect the performance and body composition significantly. Instead, training seems to influence the performance more the supplementation.
Lingua originaleEnglish
pagine (da-a)308-314
Numero di pagine7
RivistaJournal of Human Sport and Exercise
Stato di pubblicazionePublished - 2020

All Science Journal Classification (ASJC) codes

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