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Effects of greens+: a randomized, controlled trial.
Heather Boon1, Joyce Clitheroe, Tonia Forte
1Faculty of Pharmacy, University of Toronto, Toronto, Ontario, Canada.
Summary
This study investigated the effects of the natural health product Greens+ on energy and vitality in women. While results showed a positive trend, further research is needed to confirm Greens+ benefits.
Area of Science:
- Nutritional science
- Human health and wellness
Background:
- Greens+ is a natural health product marketed for energy enhancement.
- Objective data supporting Greens+ energy-enhancing claims are lacking.
Purpose of the Study:
- To evaluate if Greens+ ingestion improves vitality, energy, and well-being.
- To assess Greens+ impact on mental and general health.
- To determine if Greens+ reduces cold and flu incidence.
Main Methods:
- 12-week randomized, double-blind, placebo-controlled trial.
- 105 healthy women enrolled; 63 completed.
- Repeated measures analysis of variance used for outcome analysis.
Main Results:
- Both Greens+ and placebo groups showed improved outcomes over time.
- Greens+ group reported marginally higher vitality (p=0.055) and significantly higher energy (p=0.018) versus placebo.
- Trends for other health measures in the Greens+ group did not reach statistical significance.
Conclusions:
- Findings suggest Greens+ may offer benefits for vitality and energy, but are not conclusive.
- Further studies are warranted to validate the effects of Greens+.