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Acute Effects of Ketone Monoester Co-ingestion With Dietary Protein on Whole-body Phenylalanine Oxidation, Phenylalanine Retention, and Myofibrillar Protein Breakdown Following Resistance Exercise in Young Males.
Sponsor: McGill University
Summary
The goal of this trial is to determine if ketone monoester supplementation in conjunction with protein supplementation in the post exercise period can augment whole-body protein metabolism following resistance exercise in young trained males. This trial will compare the difference in phenylalanine metabolism between the ketone monoester and control conditions. Secondary outcomes including plasma amino acid, plasma insulin, plasma glucose, capillary blood beta-hydroxybutyrate concentrations and whole body myofibrillar protein breakdown rate (k) will be explored as secondary measures. Ketone monoester supplementation with protein in the post-resistance exercise period will be compared to the control condition of just protein in the post-resistance exercise period.
Official title: Acute Effects of Ketone Monoester Co-ingestion With Dietary Protein on Whole-Body Phenylalanine Oxidation, Phenylalanine Retention, and Myofibrillar Protein Breakdown Following Resistance Exercise in Young Males.
Key Details
Gender
MALE
Age Range
18 Years - 35 Years
Study Type
INTERVENTIONAL
Enrollment
18
Start Date
2026-10-23
Completion Date
2027-05-01
Last Updated
2026-10-23
Healthy Volunteers
Yes
Interventions
Ketone Monoester + Dietary Protein (KET+PRO)
Ketone monoester supplement (R)-3-hydroxybutyl (R)-3-hydroxybutyrate based on participants' body weight (0.36g/kg body weight). Protein at a dose of 0.3 g/kg body weight protein. The protein component will come from whey protein hydrolysate.
Dietary Protein (PRO)
Protein at a dose of 0.3 g/kg body weight protein in the form of whey protein hydrolysate.
Resistance Exercise
Full body exercise session consisting of a 5 minute treadmill run and 5 minute multi-joint stretch session consisting of a pectoral stretch, latissimus dorsi stretch, a quadriceps stretch and a hamstring stretch followed by the following exercises: machine chest press, machine seated row, machine shoulder press, machine quadriceps extension, machine hamstrings curl, and machine abdominal crunch performed for 3 sets of 8 repetitions each performed at 80% of 1RM, with 2 repetitions in reserve.
Locations (1)
Exercise metabolism and Nutrition research Laboratory
Montreal, Quebec, Canada