topicGlycine Sleep Quality Randomized Trial
claimConclusion 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.
evidence level2
citationSingh P (2026)
sourceEffect of an herbal supplement on quality of life in participants with insomnia: A randomized placebo controlled cross-over pilot trial.
topicGlycine Sleep Quality Randomized Trial
claimPatients 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.
evidence level2
citationSingh P (2026)
sourceEffect of an herbal supplement on quality of life in participants with insomnia: A randomized placebo controlled cross-over pilot trial.
topicGlycine Sleep Quality Randomized Trial
claimThe primary objective of the pilot trial was to test the effectiveness of the herbal supplement on sleep and quality of life.
evidence level2
citationSingh P (2026)
sourceEffect of an herbal supplement on quality of life in participants with insomnia: A randomized placebo controlled cross-over pilot trial.