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Lemon Verbena Supplementation Enhances Sleep Quality and Reduces Anxiety: A 90-Day Study

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A recent study conducted at the Health Sciences Department of Universidad Católica San Antonio de Murcia (UCAM) in Spain evaluated the impact of a nutraceutical formulation of lemon verbena on sleep quality over 90 days in 80 healthy individuals with sleep problems. Each capsule contained 400 mg of lemon verbena with at least 24% verbascoside. Sleep quality, assessed using VAS, PSQI, and actigraphy, showed significant improvements in the intervention group compared to controls, with enhanced sleep latency, efficiency, reduced wakefulness after sleep onset, and fewer nocturnal awakenings. The intervention group also experienced a notable reduction in stress and anxiety levels and a significant increase in nighttime melatonin levels, with no changes in blood pressure, heart rate, or other laboratory tests. These findings suggest that lemon verbena extract, particularly due to its 24% verbascoside concentration, can effectively improve sleep quality and reduce anxiety, warranting further studies with larger and more diverse populations for validation.

Source: https://www.mdpi.com/2072-6643/16/10/1523

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