Effect on sleep improvement by oral administration of functional barley BARLEYmax (Tantangara)

Eiichi Kitazono, Aya Nishimura, Kazuo Imose, Hidetoshi Morita

Research output: Contribution to journalArticle


Objectives: A controlled before-and-after questionnaire study was performed on 18 adults with trouble of insomnia to examine the effects of short bar incorporated in BARLEYmax (Tantangara) on sleep improvement. Methods: Subjects were given short bar incorporated in 12 g/day of BARLEYmax for 4 weeks. After intake, sleep quality was measured by Pittsburgh Sleep Quality Index. Results: Subjects with intake of more than 12 g/day of BARLEYmax showed a significant effect on sleep improvement. Conclusions: Intake of short bar incorporated in more than 12 g/day of BARLEYmax serves for improving sleep to subject with trouble of insomnia.

Original languageEnglish
Pages (from-to)1351-1357
Number of pages7
JournalJapanese Pharmacology and Therapeutics
Issue number8
Publication statusPublished - Jan 1 2017



  • BARLEYmax (Tantangara)
  • Microbiota
  • Sleep improvement

ASJC Scopus subject areas

  • Pharmacology
  • Pharmacology (medical)

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