An 8-Week Oral Therapy with Ashwagandha (Withania Somnifera) Root Extract (600 mg/day) Improves Frailty and Quality of Life in Elderly: A Prospective, Randomized, Placebo-Controlled, Efficacy and Safety Study
Abstract
Frailty is a state of increased vulnerability resulting from aging due to cumulative decline in physiological system over a lifespan. Few pharmacological agents have been investigated for the treatment of frailty. In Ayurveda, Ashwagandha (Withania Somnifera) is a popular botanical medicine used for improvement in physical strength and mental stress and has a potential for treatment of frailty. This placebo-controlled study assessed the efficacy and safety of a capsule containing 300mg of Ashwagandha Root Extract (ARE) administered twice daily orally for 8 weeks. Fifty elderly subjects with a frailty score [≥]7 based on Frailty Assessment and Screening Tool (FAST) were randomized in a 1:1 ratio to receive either Ashwagandha (ARE, n=25) or placebo (PL, n=25). Improvement in frailty after 8 weeks was assessed by FAST, 6-minute Walk Test (6MWT), Pittsburgh Sleep Quality Index (PSQI), Mini-Mental State Examination (MMSE) and Short Form Survey (SF-12) scores. Blood samples were collected at baseline and week 8 for estimation of C-Reactive Protein (CRP), cortisol and Creatinine Kinase (CK). Significant improvement (p<0.01) in scores for FAST, 6MWTs, PSQI, MMSE, and SF-12 were seen with ARE after 8 weeks. Also, significant improvements (p<0.05) were observed in CK and in CRP with ARE. These improvements were greater (p<0.05) with ARE as compared to placebo. ARE was well tolerated with no adverse effects, and no changes in hepatic and renal parameters. Thus, Ashwagandha root extract…
How strong is the evidence?
Evidence Hub reads this as a randomized trial, done in people. Its evidence level is 3 of 5 (Moderate · trial / cohort / secondary analysis). Trials without a large randomized design, cohorts and secondary analyses give moderate evidence. Reported size: 25 participants or records.
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