Sulfur is also a constituent of bones, teeth, and collagen (the protein in connective tissue). As a component of insulin , sulfur is needed to regulate blood sugar.. MSM sulfur also promotes excellent natural teeth whitening as well as plaque and tartar reduction with no harsh chemicals! Use every day for a brighter, whiter,.... Jul 4, 2021 Not to mention the yellowing of teeth, which steals away your precious ... MSM has a different mechanism of action but works in the same areas. ec2f99d4de
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