What does the evidence say about Glycine Supplementation Sleep Quality Randomized Trial?

Updated October 2026

Quick Answer

Glycine Supplementation Sleep Quality Randomized Trial has evidence relevant to benefits, uncertainty, and practical interpretation, but conclusions should stay close to the cited sources. One representative finding is: However, many nutraceutical supplements are consumed without first passing health and nutritional safety checks, which can result in liver damage [], kidney damage [], and cardiovascular damage [], among other health issues.

Key Takeaways

  • 01However, many nutraceutical supplements are consumed without first passing health and nutritional safety checks, which can result in liver damage [], kidney damage [], and cardiovascular damage [], among other health issues. [Ramos-Jiménez Arnulfo (2024)]
  • 02Despite glycine being widely used as a nutraceutical supplement among athletes [,] for its health-promising preclinical evidence [,,], there are no statistics on its consumption or its effects on athletic performance, highlighting the need for further research to bridge the translational gap. [Ramos-Jiménez Arnulfo (2024)]
  • 03As for foods of plant origin, glycine can be found in pumpkin, peas, carrots, beets, eggplant, sweet potatoes, potatoes, legumes, seeds, mushrooms, whole grains, nuts, and fruits. [Ramos-Jiménez Arnulfo (2024)]
  • 041 2 3 4 5 6 7 8 9 10 11 12 13 14 Throughout history, there has been a continuous interest in discovering the perfect formula to enhance physical and psychological performance. [Ramos-Jiménez Arnulfo (2024)]
The current Migaku evidence database contains 1 reusable source document for Glycine Supplementation Sleep Quality Randomized Trial. This answer focuses on benefits, uncertainty, and practical interpretation. - However, many nutraceutical supplements are consumed without first passing health and nutritional safety checks, which can result in liver damage [], kidney damage [], and cardiovascular damage [], among other health issues. [Ramos-Jiménez Arnulfo (2024); evidence level 3] - Despite glycine being widely used as a nutraceutical supplement among athletes [,] for its health-promising preclinical evidence [,,], there are no statistics on its consumption or its effects on athletic performance, highlighting the need for further research to bridge the translational gap. [Ramos-Jiménez Arnulfo (2024); evidence level 3] - As for foods of plant origin, glycine can be found in pumpkin, peas, carrots, beets, eggplant, sweet potatoes, potatoes, legumes, seeds, mushrooms, whole grains, nuts, and fruits. [Ramos-Jiménez Arnulfo (2024); evidence level 3] - 1 2 3 4 5 6 7 8 9 10 11 12 13 14 Throughout history, there has been a continuous interest in discovering the perfect formula to enhance physical and psychological performance. [Ramos-Jiménez Arnulfo (2024); evidence level 3] 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.

Sources

  1. An Update of the Promise of Glycine Supplementation for Enhancing Physical Performance and Recovery