The effects of a sleep/recovery supplement: 'Night Time Recharge' on sleep parameters in young adults.

What Was Tested

Researchers studied Copper (Supplement) in this randomized controlled trial publication.

Accelerometers were used to assess sleep quality and physical activity levels.

Why It Was Studied

Concentrated cherry juice reportedly contains melatonin which, in turn, has been highlighted as an important regulator in initiating sleep.

Who Took Part

PubMed indexes the participants as young adults, both men and women.

Twenty participants (nine female) consumed either NTR or a placebo for seven days.

How the Study Was Run

The design is described as randomized, double-blind, placebo-controlled and crossover.

The participants were allocated by chance, so the Copper (Supplement) group and the comparison group should start out alike.

Neither the participants nor the staff measuring them knew who was on Copper (Supplement), so expectations could not easily colour the readings.

A placebo (an inactive look-alike) gave the Copper (Supplement) group a baseline to be compared against.

Each person switched between Copper (Supplement) and the comparison at some point, usually with a gap in between.

A double-blind, randomized, placebo-controlled, cross-over study design was employed.

Urinary levels of 6-sulphatoxymelatonin (6-SMT), a marker of melatonin synthesis, was assessed via enzyme-linked immunosorbent assay.

What Was Measured

PubMed files the paper under topics including Accelerometry, Dietary Supplements, England, Gas Chromatography-Mass Spectrometry, Melatonin, Prunus avium and Sleep Latency.

The authors tagged it with the keywords GENEActiv, Night Time Recharge and tryptophan.

What This Means in Plain Language

The paper is a randomized, double-blind and placebo-controlled study of Copper (Supplement).

The abstract goes on to report its results in about 7 sentences; this page does not restate them, so read the paper for the findings and their limits.

The publication is from 2019 (Nutrition and health), a journal based in England.

More context: the Copper (Supplement) compound page, all human trials.