A standardized Ashwagandha root extract alleviates stress, anxiety, and improves quality of life in healthy adults by modulating stress hormones: Results from a randomized, double-blind, placebo-controlled study
Majeed M, Nagabhushanam K, Mundkur L
Medicine · 27 citas
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Cómo se estudió
- Diseño
- Ensayo controlado aleatorizado (indexado por PubMed)
- Estudiado en
- Personas
- Resultado principal
- Marcadores de salud y funcionamiento
Quién lo pagó
- Financiación
- Financiación no declarada
Publicación
- Publicado
- 2023-10-13 · Medicine (Baltimore) · vol. 102 · número 41 · pág. e35521
- Editorial
- Wolters Kluwer
- Citado
- 44 citas · más que el 99% de estudios similares · 13.8× el promedio de su campo
- Impacto
- Entre el 10 % más citado de su campo
- Referencias
- 55 trabajos
- Acceso
- Acceso abierto (revista) · CC-BY
- Áreas de investigación
- Phytochemicals and Medicinal Plants · Piperaceae Chemical and Biological Studies · Medicinal Plants and Neuroprotection
- Palabras clave
- Medicine, Placebo, Piperine, Anxiety, Pittsburgh Sleep Quality Index, Cambridge Neuropsychological Test Automated Battery, Randomized controlled trial, Internal medicine, Pharmacology, Psychiatry, Insomnia
- MeSH
- humans, serotonin, alkaloids, piperidines, hydrocortisone, plant extracts, double-blind method, anxiety, anxiety disorders, quality of life, adult, india, benzodioxoles, polyunsaturated alkamides, withanolides, covid-19
3 autores
- Muhammed A. Majeed🇺🇸Sabin Vaccine Institute
- Kalyanam Nagabhushanam🇺🇸Sabin Vaccine Institute
- Lakshmi Mundkur · autor de correspondencia
Resumen
El texto original del estudio, en el idioma en que se publicó.
Background
The coronavirus disease-2019 (COVID-19) pandemic has resulted in a surge in stress, anxiety, and depression worldwide. Ashwagandha, an ayurvedic adaptogen has been traditionally used to manage stress, anxiety, and general well-being.
Objective
We assessed the effect of Ashwagandha root extract (ARE-500 mg) standardized for 2.5% withanolides as per USP protocol with piperine (5 mg of 95% piperine) once daily for 60 days (12.5 mg withanolides/day) to alleviate stress and anxiety in healthy individuals with mild to moderate symptoms.
Methods
A randomized, double-blind, placebo-controlled study was conducted for 60 days using ARE (n = 27) and placebo (n = 27) once daily at night at Narayana Institute of Cardiac Sciences, Bangalore, and Vijaya Super Specialty Hospital, Nellore, in India. The objectives of this study were to assess an improvement in perceived stress scale (PSS), generalized anxiety disorder (GAD-7), quality of life (QOL), cognitive scores in the Cambridge Neuropsychological Test Automated Battery (CANTAB), changes in salivary cortisol, urinary serotonin, dopamine, serum levels of nitric oxide (NO), glutathione (GSH) and malondialdehyde (MDA) from baseline to end of the study. Safety was evaluated by laboratory parameters, and by monitoring any incidence of adverse events.
Results
54 individuals were randomized and 50 of them completed the study. The PSS, GAD-7, and QOL scores improved significantly in all the participants taking ARE compared to the placebo. The CANTAB analysis revealed a significant improvement in multitasking, concentration, and decision taking time in ARE compared to placebo. ARE was also associated with a greater reduction in the morning salivary cortisol and an increase in urinary serotonin compared to placebo. Serum levels of NO, GSH, and MDA were not significantly different. Biochemical and hematological parameters remained in the normal range in all participants and ARE was well tolerated during the study.
Conclusion
The results of the study suggest that ARE with 2.5% withanolides can effectively improve stress and anxiety by reducing cortisol and increasing serotonin in healthy individuals with mild to moderate symptoms.
Resumen vía Europe PMC. Los derechos de autor siguen siendo de los autores o la editorial (CC BY).
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