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Ashwagandha KSM-66 & L-Theanine

product on market Tablet or Pill Puritan's Pride 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 and L-theanine are supported by moderate to strong evidence for reducing stress and promoting relaxation. Research indicates these ingredients may lower cortisol levels and improve cognitive focus. The combination is generally well-tolerated with a high safety profile.

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

Label

Product Label

Label for Ashwagandha KSM-66 & L-Theanine
Open Full PDF View on NIH DSLD →
Details

Label Data

2 Tablet(s)
Serving Size
30
Servings
Other Combinations
Product Type
100%
Evidence Coverage
Ingredients

Supplement Facts — Evidence Check

600 mg
Market median: 450.0mg (502 products) 28 studies (A:0, B:8)
200 mg
Market median: 200.0mg (358 products) 9 studies (A:0, B:2)

Other Ingredients

Cellulose Crospovidone Silica Stearic Acid Magnesium Stearate Glycerin
Claims

Label Claims — Verification

Unverified All Other
Unverified Structure/Function
Info

Product Information

Directions for Use

Directions: For adults, take two (2) tablets daily, preferably with meals.

Warnings & Precautions

Warning: Not intended for use by pregnant or nursing women. If you are taking any medications or have any medical condition, consult your doctor before use.

Discontinue use and consult your doctor if any adverse reactions occur.

Not intended for use by persons under the age of 18. Keep out of reach of children.

Do not use if seal under cap is broken or missing.

Contains milk ingredients.

Formulation Notes

Occasional anxiety & stress support

No artificial color, flavor or sweetener, no sugar, no starch, no soy, no gluten, no wheat, no yeast, no fish.

Additional Information

Store at room temperature.

To reorder item # 25745 www.puritan.com 1-800-645-1030

QA Quality Assured

Made in the USA with select ingredients from around the world

Metadata

Product Details

UPC / SKU0 25077 00085 2
DSLD Entry Date2023-06-22
Product TypeOther Combinations
FormTablet or Pill
DSLD ID286429
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
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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.