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Head-to-head evidence comparison — which supplement is right for you?
Ashwagandha vs Shatavari: Ashwagandha has the stronger overall evidence (7.5 vs 5/10); they're alternatives for reduce anxiety & stress — the best pick depends on your goals. Take the 60-second quiz for a pick tailored to your goals.
Ashwagandha wins 2 of 3 categories. Both are solid choices — the best pick depends on your specific goals.
Verdict
Likely helps
13 of 13 studies with measurable effects showed benefit.
Top outcomes
Verdict
Likely helps
5 of 5 studies with measurable effects showed benefit.
Top outcomes
300-600mg daily (standardized extract)
Morning for daytime stress, Evening for sleep support
KSM-66 or Sensoril standardized extract
500-1000mg root extract, 1-2x daily
With meals, Morning and evening
Root extract standardized to saponins
2-4 weeks
2-4 weeks
2-4 weeks
First week
4-12 weeks
4-8 weeks
1-2 weeks
Effects of Ashwagandha (Withania Somnifera) on stress and anxiety: A systematic review and meta-analysis
Explore (NY) (2024) · Meta analysis · n=873
Significant effect on the Perceived Stress Scale (PSS) (MD = -4.72, 95 % CI = [-8.45 to -0.99]).
Effects of Withania somnifera Extract in Chronically Stressed Adults: A Randomized Controlled Trial
Nutrients (2024) · Rct · n=131
Our findings demonstrate the stress-reduction capabilities of this well-characterized aqueous extract of WS (root and leaf) at the low dose of 125 mg/day, in a dose-dependent manner, via the modulation of the HPA axis.
Plant-derived nootropics and human cognition: A systematic review
Critical reviews in food science and nutrition (2023) · Systematic review
Bacopa monnieri improves language, learning and memory.
Oral galactagogues (natural therapies or drugs) for increasing breast milk production in mothers of non-hospitalised term infants
The Cochrane database of systematic reviews (2020) · Meta analysis · n=20
Only one study (metoclopramide) reported on the outcome of infant weight, finding little or no difference (mean difference (MD) 23.0 grams, 95% confidence interval (CI) -47.71 to 93.71; 1 study, 20 participants; low-certainty evidence).
Modulation of Various Pharmacological Pathways by Asparagus Saponins: Special Emphasis on Shatavarin-IV
Chemistry & biodiversity (2026) · Review
Shatavarin-IV is regarded as the most important steroidal saponin responsible for most of the pharmacological effects of Shatavari.
Shatavari (Asparagus racemosus Willd) root extract for postpartum lactation: A randomised, double-blind, placebo-controlled study
Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology (2025) · Rct · n=113
Maternal satisfaction with lactation was higher in the SHT group (52.63% vs. 25.00%, p = 0.008).
Based on meta-analysis showing significant HAM-A score reduction (p=0.0007) and RCT evidence at 125mg dose. High heterogeneity (I2=98%) in pooled analysis suggests variable response. Extract standardization affects bioavailability.
Based on single RCT (n=113) showing improved maternal satisfaction (52.63% vs 25%). Meta-analysis notes limitations in galactagogue studies including small sample sizes and poor blinding methods.
AI-estimated from published studies. Interpret as directional guidance.
Ashwagandha has a higher evidence score (7.5/10 vs 5/10) and wins in 2 of 3 categories.
For reduce anxiety & stress, Ashwagandha has a higher relevance score (95 vs 32).
No known interactions between Ashwagandha and Shatavari have been documented in our database. However, always consult a healthcare provider before combining supplements.
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The right pick depends on your goals. Answer a few quick questions for a personalised recommendation — or dig into the full evidence on each.