Overview
This study aims to investigate the impact of supplementation with two different doses of Rosemary and Daylily herbal extract on various health outcomes in middle-aged adults. Over an eight-week period, the trial will assess improvements in sleep quality, circadian rhythms, energy metabolism, and relevant biochemical markers. The study employs a randomized, placebo-controlled, crossover design to evaluate the efficacy of these supplements in enhancing overall health and well-being.
Eligibility
Inclusion Criteria:
- Age > 50 years
- Trouble falling asleep > 5 times a month (NHANES criteria)
- Body mass index 18.5-29.9 kg/m2
- Free of major chronic diseases or acute disorders
- Given written informed consent
Exclusion Criteria:
- History of dietary supplement use > 2 weeks before the study commences
- Abnormal values for lab clinical chemistry (> 2 SD)
- Unwillingness to return for follow-up analysis
- Participation in other clinical trials
- Moderate-to-heavy use of alcohol (> 3 drinks per week)