Compare a dietary supplement (PRJ-205) and placebo during 1 or 4 days on aerobic exercise performance, oxidative stress and muscle damage. The hypothesis is that supplementation with PRJ-205 improve aerobic performance
Twenty young active males will be recruited and randomized to either placebo or PRJ-205. Subjects will take the designated treatment in an acute dosage and chronically, 4 days of treatment. They will undergo 3 exercise tasks (before the administration of the product, 1.5h after the acute administration of the product and after 4 days of treatment). VO2max and anaerobic threshold will be measured during the tests. Blood samples will be taken to measure muscle damage and oxidative stress.
Study Type
INTERVENTIONAL
Allocation
RANDOMIZED
Masking
QUADRUPLE
Enrollment
20
Universidad de Valencia
Valencia, Valencia, Spain
Aerobic performance determined by VO2max
Time frame: 4 days
Pressure pain threshold of calf muscle
Measured pre- and post- exercise task
Time frame: 4 days
Serum markers of muscular damage
Measured from blood samples taken pre- and post- exercise task.
Time frame: 4 days
Oxidative stress parameters
Measured from blood samples taken pre- and post- exercise task.
Time frame: 4 days
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