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Fresh Nutrition KSM-66 Ashwagandha

Backed by 14 studies

Overall grade based on research across 3 ingredients.

C
51out of 100Grade C
Research evidence score

Weighed against 14 published studies · led by Ksm-66 Organic Ashwagandha Root

Worth a look. Ksm-66 Organic Ashwagandha Root, Black Pepper and Turmeric have real research behind them.

How the ingredients work together

Known interactions from published nutrition research — separate from the evidence grade.

Curcumin + PiperineWork together

Piperine inhibits curcumin's rapid breakdown, increasing its bioavailability many-fold in human studies.

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Ingredient breakdown

C
Ksm-66 Organic Ashwagandha RootSupports health outcomes
Research direction: InconclusiveEvidence: 2 studiesDose: 700 mgEvidence strength: Moderate - supportive but mixed
The Effects of KSM-66 Ashwagandha (Withania Somnifera) Supplementation on Recovery and Muscle Strength in Academy Athletes (2025)Health Behavior and Health Education: Theory, Research, and Practice (1992)
C
Black PepperSupports health outcomes
Research direction: InconclusiveEvidence: 4 studiesDose: 20 mgEvidence strength: Moderate - supportive but mixed
Effect of a Multidomain Intervention Plus Turmeric on the Prevention of Cognitive Decline in People Over 55 Years of Age With Insulin Resistance: A Randomized Clinical Trial (2025)Supplementation of Piperine and Curcumin (Curcuma Xanthorrhiza) Extract in ST Elevation Myocardial Infarction - SPICE STEMI Trial (2025)Hemp Oil + User Experience Study: A Retrospective, Non-Interventional Study to Assess Consumer Experience and the Impact of Hemp Oil + on Quality of Life (2020)
C
TurmericReduces inflammation
Research direction: InconclusiveEvidence: 8 studiesEvidence strength: Moderate - supportive but mixed
The Efficacy and Safety of Curcuma Domestica Extracts and Ibuprofen for Therapy of Patients With Knee Osteoarthritis, the Randomized Double-blinded Controlled Trial, Multicenter Study (2008)Alveolar Ridge Augmentation With Curcumin Combined With Xenograft After Piezoelectric Alveolar Ridge Splitting Surgery (A Randomized Controlled Clinical Trial) (2021)Turmeric Anti-Inflammatory and Cell-Damage Trial (2016)

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This summary describes only the ingredients and the research behind them — it is not a judgment of the product or its marketing. Grades reflect the weight of published evidence cross-referenced against 350M+ research papers. How we grade →

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