Home/ Supplements/ Ashwagandha/ Ultimate Ashwagandha 250 mg KSM-66

Ultimate Ashwagandha 250 mg KSM-66

product on market Capsule Swanson Safety: 100/100
100/100

This product looks safe

  • No ingredients exceed tolerable upper intake levels
  • 100% of ingredients have research evidence
A Label Compliance Grade

What the Evidence Says

AI-generated · Qwen 3.6 · grounded in 1 source · methodology

KSM-66 ashwagandha extract is supported by strong evidence for reducing stress and cortisol levels in adults. Research indicates it may improve perceived anxiety and enhance cognitive function. The ingredient profile maintains a high safety rating for general use.

AI-generated summary based on research evidence. Not medical advice.

Label

Product Label

Label for Ultimate Ashwagandha 250 mg KSM-66
Open Full PDF View on NIH DSLD →
Details

Label Data

1 Veggie Capsule(s)
Serving Size
Botanical
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

Market median: 450.0mg (502 products) 28 studies (A:0, B:8)

Other Ingredients

Hypromellose Rice Bran Silica Rice Extract Blend
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Suggested use: As a dietary supplement, take one veggie capsule one to two times per day with water.

Warnings & Precautions

Warning: For adults only.

Consult your physician before using this or any product if you are pregnant or nursing, taking medication, or if you have a medical condition.

Keep out of reach of children.

Do not use if seal is broken.

Additional Information

Supports a healthy, natural response to daily stress Enhances mental and physical vitality Science-Backed Quality Since 1969

Store in a cool, dry place.

Stress Support

SWU1003 Rev 2 06 13 18

Metadata

Product Details

UPC / SKU0 87614 21003 2
DSLD Entry Date2019-02-25
Product TypeBotanical
FormCapsule
BrandSwanson
DSLD ID191089
Data Updated2026-04-11
Research

Research Evidence

63
Research Sources
54
Avg Quality
26
Systematic Review
21
Rct
11
Meta Analysis
5
Clinical Trial
B Identifying immunostimulatory herbal supplements that may flare autoimmune skin diseases: a systematic scoping review
Systematic Review Lupus science & medicine 2025 PubMed DOI
B Effects of Ashwagandha (Withania somnifera) on VO2max: A Systematic Review and Meta-Analysis
Meta Analysis Nutrients 2020 PubMed DOI
B Does Ashwagandha supplementation have a beneficial effect on the management of anxiety and stress? A systematic review and meta-analysis of randomized controlled trials
Meta Analysis Phytotherapy research : PTR 2022 PubMed DOI
B An update on the efficacy of anti-inflammatory agents for patients with schizophrenia: a meta-analysis
Meta Analysis Psychological medicine 2019 PubMed DOI
B Safety and efficacy of Withania somnifera for anxiety and insomnia: Systematic review and meta-analysis
Meta Analysis Human psychopharmacology 2024 PubMed DOI
B Effect of Ashwagandha (Withania somnifera) extract on sleep: A systematic review and meta-analysis
Meta Analysis PloS one 2021 PubMed DOI
B Plant-derived nootropics and human cognition: A systematic review
Systematic Review Critical reviews in food science and nutrition 2023 PubMed DOI
B Effects of Ashwagandha (Withania Somnifera) on stress and anxiety: A systematic review and meta-analysis
Meta Analysis Explore (New York, N.Y.) 2024 PubMed DOI
B Systematic review and network meta-analysis of the effects of plant active substance on quality of life in breast cancer patients
Systematic Review Frontiers in pharmacology 2025 PubMed DOI
B Clinical evidence for the adaptogenic effects of Withania somnifera and Rhodiola rosea - A systematic review with molecular interpretation of psychometric outcomes
Systematic Review Annals of agricultural and environmental medicine : AAEM 2026 PubMed DOI
View all evidence for Ashwagandha →
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This product page is for informational purposes only and does not constitute medical advice. Always consult your healthcare provider before taking any supplement.