Preprint Article Version 1 NOT YET PEER-REVIEWED

Vitamin C Supplementation and Hyperuricemia: Fact or Hoax?

  1. Department of Clinical Nutrition, Faculty of Applied Medical Sciences, Umm Al-Qura University, P.O. Box: 7067, Makkah (21955), Saudi Arabia
  2. Faculty of Pharmacy, Umm Al-Qura University, P.O. Box: 7067, Makkah (21955), Saudi Arabia
Version 1 : Received: 2 November 2016 / Approved: 3 November 2016 / Online: 3 November 2016 (10:49:06 CET)

How to cite: Azzeh, F.; Al-Hebshi, A.; Al-Essimii, H.; Alarjah, M. Vitamin C Supplementation and Hyperuricemia: Fact or Hoax?. Preprints 2016, 2016110027 (doi: 10.20944/preprints201611.0027.v1). Azzeh, F.; Al-Hebshi, A.; Al-Essimii, H.; Alarjah, M. Vitamin C Supplementation and Hyperuricemia: Fact or Hoax?. Preprints 2016, 2016110027 (doi: 10.20944/preprints201611.0027.v1).

Abstract

Abstract: Hyperuricemia is commonly diagnosed in subjects with abnormal purine metabolism. Prolonged hyperuricemia often associated with gout, which is a vital risk factor for joint dysfunction. The current study was designed to determine the efficacy of vitamin C supplements for treatment of high serum uric acid (UA) among hyperuricemic and gouty patients, and finding-out the effect of supplementation on serum creatinine (Cr) level and glomerular filtration rate (GFR). This intervention study was started in April, 2013, till two months. A convenient sample of 30 adults aged between 24-75 years of both genders was assigned into two study groups: hyperuricemic (n=15) and gouty (n=15) groups. Each participant supplemented with 500 mg/day vitamin C chewable tablets for 2 months. Serum UA, Cr, and GFR were measured before and after treatment. At the end of this study, Cr and GFR enhanced insignificantly in both groups. UA increased insignificantly in gouty group after 2 months by about 0.31 mg/dl. On the other hand, hyperuricemic group showed significant (P ≤0.05) decrease in UA (-0.78 mg/dl) after 2 months duration. In conclusion, supplementation with 500 mg/day vitamin C for 2 months significantly attenuated serum UA for hyperuricemic patients and insignificantly affected serum UA in gouty patients. The uselessness of vitamin C supplements on gouty patients could be associated to a number of possible reasons.

Subject Areas

vitamin C; hyperuricemia; gout; glomerular filtration rate

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