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Double-blind, placebo-controlled trial of zinc picolinate for taste disorders.

Abstract
A total of 73 patients with an idiopathic zinc-deficiency taste disorder completed a double-blind, placebo-controlled trial of the efficacy of zinc picolinate. Patients in the zinc treatment group (n = 37) received 29 mg of zinc picolinate orally by capsule 3 times a day for 3 months. No significant difference was noted between the treatment and placebo groups in terms of improvement in subjective symptoms or whole-mouth taste sensation. However, assessment of taste using the filter paper disk method showed significantly better improvement for the group given zinc, and the serum zinc level was also significantly higher in this group than in the placebo control group.
AuthorsFumitaka Sakai, Shinya Yoshida, Sohei Endo, Hiroshi Tomita
JournalActa oto-laryngologica. Supplementum (Acta Otolaryngol Suppl) Issue 546 Pg. 129-33 ( 2002) ISSN: 0365-5237 [Print] Norway
PMID12132610 (Publication Type: Clinical Trial, Journal Article, Randomized Controlled Trial)
Chemical References
  • Picolinic Acids
  • picolinic acid
Topics
  • Adult
  • Aged
  • Double-Blind Method
  • Female
  • Humans
  • Male
  • Middle Aged
  • Picolinic Acids (therapeutic use)
  • Severity of Illness Index
  • Taste Disorders (diagnosis, drug therapy)

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