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1. Psyllium: The Super Fiber in Metamucil. Metamucil Website. http://www.metawellness.com/en-us/articles/meta-digestion/psyllium-fiber... (Accessed on Apr 24, 2017)
2. Orange Flavor, Original Texture - Version METPOW022015; Regular Flavor, Original Texture - Version METPOW012015; Metamucil (Psyllium Hydrophilic Mucilloid) Orange Flavor, Smooth Texture - Version METSM0412015; Orange Flavor Labels. Smooth Texture-30 Packets - Version METPOW102014 Labels. Pfizer Corporation Hong Kong Limited.
3. Federal Register 63 FR 8103. February 18, 1998. Food Labelling: Health Claims: Soluble Fiber From Certain Foods and Coronary Heart Disease. Final Rule.
4. Pfizer Data on File (July 2014 - June 2015).
5. Fiber and Your Heart. National Fiber Council Website. Available at: http://www.nationalfibercouncil.org/pdfs/fiber_and_heart.pdf (Accessed on Apr 24, 2017)
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7. Dietary Fiber and Your Body. Student Health Service Website. http://www.studenthealth.gov.hk/english/health/health_dn/health_dn_dfayb... (Accessed on Apr 24, 2017)
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9. Fiberlicious Food Guide. Metamucil Website. Available at: http://www.metawellness.com/en-us/articles/meta-digestion/fiberlicious-f... (Accessed on May 22, 2017)
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