This is from the msm-msm.com  order site.  Either one seems like a reasonable 
price.  CU - Marjie
 

       Lignisul Brand MSM Powder 
   1 Pound Plastic Container of Lignisul MSM Powder - $9.60 - $.021 per gram 

  Opti Brand MSM Powder
   1 Pound Plastic Container of Opti-MSM Powder - $11.25 - $.025 per gram   

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