Some commonly fed herbs and other functional foods in equine nutrition: A review

Carey A. Williams, Emily D. Lamprecht

Research output: Contribution to journalReview articlepeer-review

50 Scopus citations

Abstract

Most herbs and functional foods have not been scientifically tested; this is especially true for the horse. This paper reviews some of the literature pertinent to herbal supplementation in horses and other species. Common supplements like Echinacea, garlic, ginger, ginseng, and yucca are not regulated, and few studies have investigated safe, efficacious doses. Ginseng has been found to exert an inhibitory effect on pro-inflammatory cytokines and cyclooxygenase-2 expression. Equine studies have tested the anti-inflammatory effects of a single dose of ginger, post-exercise. Echinacea has been reported to have anti-inflammatory and antioxidant properties. Yucca contains steroid-like saponins, which produce anti-inflammatory, antioxidant, and anti-spasmodic effects. However, some herbs have drug-like actions that interact with dietary components and may contain prohibited substances like salicylates, digitalis, heroin, cocaine and marijuana. Horses fed garlic at >0.2 g/kg per day developed Heinz body anaemia. Drug-herb interactions are common and caution needs to be taken when implementing 'natural product' usage.

Original languageEnglish (US)
Pages (from-to)21-31
Number of pages11
JournalVeterinary Journal
Volume178
Issue number1
DOIs
StatePublished - Oct 2008

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology
  • veterinary(all)

Keywords

  • Anti-inflammatory
  • Herb
  • Horse
  • Immunostimulant
  • Phytomedicine

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