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Nutrients 2018, 10(1), 19; doi:10.3390/nu10010019

Small Intestinal Absorption of Methylsulfonylmethane (MSM) and Accumulation of the Sulfur Moiety in Selected Tissues of Mice

Center for Nutraceutical and Dietary Supplement Research, School of Health Studies, The University of Memphis, Memphis, TN 38152, USA
Bergstrom Nutrition, 1000 W. 8th Street, Vancouver, WA 98660, USA
Author to whom correspondence should be addressed.
Received: 9 November 2017 / Revised: 5 December 2017 / Accepted: 20 December 2017 / Published: 25 December 2017
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The principal dietary sources of sulfur, the amino acids methionine and cysteine, may not always be consumed in adequate amounts to meet sulfur requirements. The naturally occurring organosulfur compound, methylsulfonylmethane (MSM), is available as a dietary supplement and has been associated with multiple health benefits. Absorption of MSM by the small intestine and accumulation of the associated sulfur moiety in selected tissues with chronic (8 days) administration were evaluated using juvenile male mice. Intestinal absorption was not saturated at 50 mmol, appeared passive and carrier-independent, with a high capacity (at least 2 g/d-mouse). The 35S associated with MSM did not increase in serum or tissue homogenates between days 2 and 8, indicating a stable equilibrium between intake and elimination was established. In contrast, proteins isolated from the preparations using gel electrophoresis revealed increasing incorporation of 35S in the protein fraction of serum, cellular elements of blood, liver, and small intestine but not skeletal muscle. The potential contributions of protein synthesis using labeled sulfur amino acids synthesized by the gut bacteria and posttranslational sulfation of proteins by incorporation of the labeled sulfate of MSM in 3′-phosphoadenosine 5′-phosphosulfate (PAPS) and subsequent transfer by sulfotransferases are discussed. View Full-Text
Keywords: methylsulfonylmethane; DMSO2; methyl sulfone; dimethyl sulfone; supplement; posttranslational methylsulfonylmethane; DMSO2; methyl sulfone; dimethyl sulfone; supplement; posttranslational

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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    Doi: 11/9/2017

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Wong, T.; Bloomer, R.J.; Benjamin, R.L.; Buddington, R.K. Small Intestinal Absorption of Methylsulfonylmethane (MSM) and Accumulation of the Sulfur Moiety in Selected Tissues of Mice. Nutrients 2018, 10, 19.

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