Is Glycine Supplementation Sleep Quality Randomized Trial safe?

Updated October 2026

Quick Answer

Glycine Supplementation Sleep Quality 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: 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 safety, limits, and clinician-discussion contexts. - 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