Original title: Modulating stress and sleep through a multi-compound dietary supplement: a randomized, double-blind, placebo-controlled trial
The trial compared morning supplements, evening supplements, both, or placebos in healthy, physically active adults. The morning mix contained ashwagandha and Rhodiola rosea; the evening mix contained magnesium L-threonate, L-theanine, and apigenin. After two weeks, the morning-only group reported less weekly stress and fewer sleep-related problems, and a sleep monitor recorded less time awake after falling asleep. Many other measures did not change, so the results do not show that every supplement helps.
Imagine packing for a day when you expect to be busy and tired. You can pack something for the morning, something for the evening, both, or neither. The hard part is that adding more items does not guarantee a better day, and some changes may be hard to notice. In this paper, the four packing choices stand for the supplement groups, and the researchers compare how participants report stress and sleep after each choice.
Stress and sleep problems can affect daily life, but this trial tested supplements in healthy, physically active adults rather than people seeking treatment for a disorder. Its mixed results suggest that taking more compounds together does not necessarily improve more outcomes.
The trial lasted only two weeks of supplementation and involved healthy, physically active adults, so it does not establish effects over longer periods or in people with greater stress or sleep disturbance. The abstract reports minimal effects on other outcomes and does not establish that all measured improvements were caused by the supplements.
Ask anything about this paper. Answers come from its abstract, and say so when the abstract doesn't cover your question.
Modulating stress and sleep through a multi-compound dietary supplement: a randomized, double-blind, placebo-controlled trial — Gianna F Mastrofini, Riccardo F Romersi, Maria G Lombardi et al. — Journal of the International Society of Sports Nutrition — doi:10.1080/15502783.2026.2740227
Abstract licence: CC BY
Explanation generated by Synthesis from the abstract — it is not the original paper.