Influence of methylsulfonylmethane on markers of exercise recovery and performance in healthy men: a pilot study

Methylsulfonylmethane (MSM) has been reported to provide anti-inflammatory and antioxidant effects in both animal and man. Strenuous resistance exercise has the potential to induce both inflammation and oxidative stress. Using a pilot (proof of concept) study design, we determined the influence of M...

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Published in:Journal of the International Society of Sports Nutrition 2012-09, Vol.9 (1), p.46-46
Main Authors: Kalman, Douglas S, Feldman, Samantha, Scheinberg, Andrew R, Krieger, Diane R, Bloomer, Richard J
Format: Article
Language:English
Subjects:
Antioxidants
Biomarkers
Dimethyl sulfoxide
Exercise
Fatigue
Homocysteine
Inflammation
Mens health
Methylsulfonylmethane
Nutrition
Nutrition research
Oxidative stress
Physical fitness
Physiological aspects
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cited_by cdi_FETCH-LOGICAL-b773t-e92f182b52154f64aaacea78cd953bec5c885c91922ea14812761835dad19c8b3
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creator Kalman, Douglas S
Feldman, Samantha
Scheinberg, Andrew R
Krieger, Diane R
Bloomer, Richard J
description Methylsulfonylmethane (MSM) has been reported to provide anti-inflammatory and antioxidant effects in both animal and man. Strenuous resistance exercise has the potential to induce both inflammation and oxidative stress. Using a pilot (proof of concept) study design, we determined the influence of MSM on markers of exercise recovery and performance in healthy men. Eight, healthy men (27.1 ± 6.9 yrs old) who were considered to be moderately exercise-trained (exercising  0.05). MSM, especially when provided at 3.0 grams per day, may favorably influence selected markers of exercise recovery. More work is needed to extend these findings, in particular using a larger sample of subjects and the inclusion of additional markers of exercise recovery and performance.
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Strenuous resistance exercise has the potential to induce both inflammation and oxidative stress. Using a pilot (proof of concept) study design, we determined the influence of MSM on markers of exercise recovery and performance in healthy men. Eight, healthy men (27.1 ± 6.9 yrs old) who were considered to be moderately exercise-trained (exercising &lt;150 minutes per week) were randomly assigned to ingest MSM at either 1.5 grams per day or 3.0 grams per day for 30 days (28 days before and 2 days following exercise). Before and after the 28 day intervention period, subjects performed 18 sets of knee extension exercise in an attempt to induce muscle damage (and to be used partly as a measure of exercise performance). Sets 1-15 were performed at a predetermined weight for 10 repetitions each, while sets 16-18 were performed to muscular failure. Muscle soreness (using a 5-point Likert scale), fatigue (using the fatigue-inertia subset of the Profile of Mood States), blood antioxidant status (glutathione and Trolox Equivalent Antioxidant Capacity [TEAC]), and blood homocysteine were measured before and after exercise, pre and post intervention. Exercise performance (total work performed during sets 16-18 of knee extension testing) was also measured pre and post intervention. Muscle soreness increased following exercise and a trend was noted for a reduction in muscle soreness with 3.0 grams versus 1.5 grams of MSM (p = 0.080), with a 1.0 point difference between dosages. Fatigue was slightly reduced with MSM (p = 0.073 with 3.0 grams; p = 0.087 for both dosages combined). TEAC increased significantly following exercise with 3.0 grams of MSM (p = 0.035), while homocysteine decreased following exercise for both dosages combined (p = 0.007). No significant effects were noted for glutathione or total work performed during knee extension testing (p &gt; 0.05). MSM, especially when provided at 3.0 grams per day, may favorably influence selected markers of exercise recovery. 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Muscle soreness (using a 5-point Likert scale), fatigue (using the fatigue-inertia subset of the Profile of Mood States), blood antioxidant status (glutathione and Trolox Equivalent Antioxidant Capacity [TEAC]), and blood homocysteine were measured before and after exercise, pre and post intervention. Exercise performance (total work performed during sets 16-18 of knee extension testing) was also measured pre and post intervention. Muscle soreness increased following exercise and a trend was noted for a reduction in muscle soreness with 3.0 grams versus 1.5 grams of MSM (p = 0.080), with a 1.0 point difference between dosages. Fatigue was slightly reduced with MSM (p = 0.073 with 3.0 grams; p = 0.087 for both dosages combined). TEAC increased significantly following exercise with 3.0 grams of MSM (p = 0.035), while homocysteine decreased following exercise for both dosages combined (p = 0.007). No significant effects were noted for glutathione or total work performed during knee extension testing (p &gt; 0.05). MSM, especially when provided at 3.0 grams per day, may favorably influence selected markers of exercise recovery. More work is needed to extend these findings, in particular using a larger sample of subjects and the inclusion of additional markers of exercise recovery and performance.</abstract><cop>United States</cop><pub>BioMed Central Ltd</pub><pmid>23013531</pmid><doi>10.1186/1550-2783-9-46</doi><tpages>1</tpages><oa>free_for_read</oa></addata></record>
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source PubMed (Medline); EBSCOhost SPORTDiscus with Full Text; Taylor & Francis Open Access; Publicly Available Content Database
subjects Antioxidants
Biomarkers
Dimethyl sulfoxide
Exercise
Fatigue
Homocysteine
Inflammation
Mens health
Methylsulfonylmethane
Nutrition
Nutrition research
Oxidative stress
Physical fitness
Physiological aspects
title Influence of methylsulfonylmethane on markers of exercise recovery and performance in healthy men: a pilot study
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