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SiS (Science in Sport®) Limited is a leading sports nutrition company that develops, manufactures, and markets innovative sports supplements and nutrition products for use by professional athletes and sports enthusiasts. SiS (Science in Sport®) Limited (company number 02742833) was founded in 1992 and is a headquartered in London, EC1N. Our manufacturing facility is in Nelson, Lancashire, and all our products are thoroughly tested & certified through the Informed-Sport programme.

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