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JYM Supplement Science combines real science with best-in-class ingredients and precise doses to deliver maximum results.

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Pro JYM
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24g of Pure, Quality Protein in Every Scoop with No Added Amino Acids or Filler Nutrients
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Post JYM Carb
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Post JYM Active Matrix
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Flavored Carbohydrate Powder
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About JYM Supplement Science

About JYM Section

Why We Choose JYM Supplement Science

JYM was founded by longtime Bodybuilding.com contributor, Jim Stoppani. From the labs of Yale to the most hardcore gyms, Dr. Stoppani has devoted his career to the science of muscle building. He stands behind every product and will personally answer your questions!

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