evidence answer

Is Glycine Sleep Randomized Trial safe?

Updated August 2026

Quick Answer

Glycine Sleep Randomized Trial has evidence relevant to safety, limits, and clinician-discussion contexts, but conclusions should stay close to the cited sources. One representative finding is: Conclusion Compared to placebo drink, daily consumption of the herbal supplement for 7 days did not improve any aspect of quality of life or sleep in our pilot study participants with insomnia.

Key Takeaways

  • 01Conclusion Compared to placebo drink, daily consumption of the herbal supplement for 7 days did not improve any aspect of quality of life or sleep in our pilot study participants with insomnia. [Singh P (2026)]
  • 02Patients with insomnia frequently rely on herbal supplements to improve sleep and quality of life; however, most supplements do not undergo rigorous testing to determine their effectiveness. [Singh P (2026)]
  • 03The primary objective of the pilot trial was to test the effectiveness of the herbal supplement on sleep and quality of life. [Singh P (2026)]
The current Migaku evidence database contains 1 reusable source document for Glycine Sleep Randomized Trial. This answer focuses on safety, limits, and clinician-discussion contexts. - Conclusion Compared to placebo drink, daily consumption of the herbal supplement for 7 days did not improve any aspect of quality of life or sleep in our pilot study participants with insomnia. [Singh P (2026); evidence level 2] - Patients with insomnia frequently rely on herbal supplements to improve sleep and quality of life; however, most supplements do not undergo rigorous testing to determine their effectiveness. [Singh P (2026); evidence level 2] - The primary objective of the pilot trial was to test the effectiveness of the herbal supplement on sleep and quality of life. [Singh P (2026); evidence level 2] Evidence levels are sorting aids, not final clinical grades. Level 1 usually indicates systematic-review style evidence, level 2 indicates randomized trials or public-health guidance, and lower levels need more cautious wording. This page is educational. People with medical conditions, pregnancy, medication use, or unusual symptoms should ask a qualified clinician before changing supplements, medication, or treatment routines.

Learn next

Keep learning from this answer

SupplementGlycineNon-essential amino acid that cools core body temperature and deepens slow-wave sleep — remarkab...GuideGlycine Sleep Quality Randomized Trial: What the Evidence SaysGlycine Sleep Quality Randomized Trial has 2 source documents in the current Migaku evidence dat...GuideGlycine Sleep Randomized Trial: What the Evidence SaysGlycine Sleep Randomized Trial has 1 source documents in the current Migaku evidence database. T...GuideGlycine Daytime Sleepiness Randomized Trial: What the Evidence SaysGlycine Daytime Sleepiness Randomized Trial has 2 source documents in the current Migaku evidenc...GuideLavender Sleep Onset Randomized Trial: What the Evidence SaysLavender Sleep Onset Randomized Trial has 2 source documents in the current Migaku evidence data...DataGlycine Sleep Quality Randomized Trial Evidence TableStructured evidence table for Glycine Sleep Quality Randomized Trial, generated from 2 reusable...DataGlycine Sleep Randomized Trial Evidence TableStructured evidence table for Glycine Sleep Randomized Trial, generated from 1 reusable source d...DataGlycine Daytime Sleepiness Randomized Trial Evidence TableStructured evidence table for Glycine Daytime Sleepiness Randomized Trial, generated from 2 reus...

Sources

  1. Effect of an herbal supplement on quality of life in participants with insomnia: A randomized placebo controlled cross-over pilot trial.