The Chronic Effects of Carnitine on Recovery

Status Completed

Clinical Trial Summary

Clinical Trial Description

This study investigated the effects of CarnipureTM, a high-quality L-carnitine ingredient, on long term (5 weeks) recovery, muscle damage, and SOD status in a population of males and females while training two days per week. The primary outcomes defining recovery were changes in serum creatine kinase levels and perceptual changes in recovery. Supporting variables included an assessment of strength and power as a functional indicator of recovery. This study would be the first to examine the effects of CarnipureTM on long-term recovery. Our primary hypothesis was that L-carnitine supplementation would reduce muscle damage and improve perceptual measures of recovery. Our secondary hypotheses were that L-carnitine supplementation would better sustain strength and power and elevate SOD status. In totality, the study will last 5-weeks, consisting of supplementation with maintenance exercise performed 2 days per week, at home. Week 5 will consist of a pre-training assessment, an intense lower-body strength endurance training day, and subsequent testing 48-hour testing (Post-Week 5). The baseline testing (will be performed on approximately 10 subjects per day over the course of 4 days) and will consist of the following measures: - DEXA (Dual Energy X-ray Absorptiometry) Body Composition Analysis - Blood Draw - Salivary Measures - Isometric Mid Thigh Pull - Force Plate Mechanography - Visual Analog Scales For the first 4 weeks of training, participants will be asked to workout 2 days per week at home. On Monday of week five, 20 subjects will be assessed on the following measures: - DXA - Blood Draw - Salivary Measures - Isometric Mid Thigh Pull - Force Plate Mechanography - Visual Analog Scales On Tuesday of week 5, the 20 subjects that tested on Monday, will go through an intense lower body, strength endurance protocol, and the leftover 20 subjects will go through the following assessments: - DXA - Blood Draw - Salivary Measures - Isometric Mid Thigh Pull - Force Plate Mechanography - Visual Analog Scales - Before and After the workout - Finger Prick Blood Sample On Wednesday of week 5, the 20 subjects that tested Monday, will have a day to rest. The 20 subjects that tested Tuesday, will go through an intense lower body strength endurance protocol. - Before and After the workout - Finger Prick Blood Sample (for blood lactate) On Thursday of week 5, the 20 subjects that tested Tuesday will have the day off, while the 20 subjects that tested Monday will be assessed on the following measures: - Blood Draw - Salivary Measures - Isometric Mid Thigh Pull - Force Plate Mechanography - Visual Analog Scales On Friday of week 5, the 20 subjects that tested Tuesday will be assessed on the following measures: - Blood Draw - Salivary Measures - Isometric Mid Thigh Pull - Force Plate Mechanography - Visual Analog Scales Participation will be sought from 80 male and female subjects ranging from 21 to 65 years old who are active (i.e. 30 minutes per week of moderate activity classified as greater than 50 % of their heart rate (HR) max 3 days • week-1). Two cohorts of 40 subjects will be examined in the study. The supplement will be administered as a dose of 2g of Carnipure (L-carnitine), per day for the duration of the study. Placebo and treatment conditions will be administered in visually identical capsules. Statistical analysis will be carried out on the entire study population and on the female study population independently. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT04420377
Study type	Interventional
Source	Applied Science & Performance Institute
Contact
Status	Completed
Phase	N/A
Start date	March 2, 2020
Completion date	June 12, 2020

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