Case Studies

At NeuRoot, we believe in feeling good—and in doing it the right way. That’s why every ingredient in our blend is backed by real science, not hype. From stress to focus and calm, here’s what the clinical peer reviewed research actually says about our core ingredients:

Kava: Natural calm without the crash.

For centuries, Kava has been used in Pacific Island communities to ease the mind and promote connection. Modern science is catching up—and the results are compelling.

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Efficacy of Kava Extract for Treating Anxiety

The analysis of seven randomized controlled trials suggested that kava extract is superior to placebo in reducing anxiety symptoms.

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Kava for the Treatment of Generalized Anxiety Disorder (K-GAD)

The results indicated that kava significantly reduced anxiety levels compared to placebo, supporting its use as an effective anxiolytic agent

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The Effectiveness and Safety of Kava Kava for Treating Anxiety

This meta-analysis evaluated randomized clinical trials on kava's effectiveness in treating anxiety. The findings demonstrated that kava is effective in reducing anxiety symptoms and has a favorable safety profile when used appropriately.

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Ashwaganda: Stress support that runs deep.

Used in Ayurvedic medicine for over 3,000 years, Ashwagandha helps your body adapt to stress—naturally.

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Effects of Ashwagandha (Withania somnifera) on Stress and Anxiety: A Systematic Review and Meta-Analysis

This meta-analysis of nine randomized controlled trials involving 558 patients found that ashwagandha supplementation significantly reduced stress and anxiety levels, as measured by the Perceived Stress Scale and Hamilton Anxiety Scale

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Does Ashwagandha Supplementation Have a Beneficial Effect on the Management of Anxiety and Stress? A Systematic Review and Meta-Analysis of Randomized Controlled Trials

This systematic review and dose–response meta-analysis revealed a beneficial effect of ashwagandha supplementation in reducing both stress and anxiety levels.

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Effects of Withania somnifera Extract in Chronically Stressed Adults: A Randomized, Double-Blind, Placebo-Controlled Study

This study demonstrated that an aqueous extract of ashwagandha (roots and leaves) safely reduces mild to moderate chronic stress

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L-Theanine: Focus meets calm.

Found naturally in green tea, L-Theanine helps take the edge off without dulling your thinking. It’s calm, collected clarity.

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Effects of L-Theanine on Cognitive Function in Middle-Aged and Older Subjects

This study indicated that L-theanine supplementation may contribute to improving attention, thus enhancing working memory and executive functions in middle-aged and older adults.

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Effects of L-Theanine Administration on Stress-Related Symptoms and Cognitive Functions in Healthy Adults

This randomized, placebo-controlled, double-blind trial found that four weeks of L-theanine administration (200 mg/day) significantly improved stress-related symptoms and cognitive functions in healthy adults.

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Dose-Response Effect of L-Theanine on Psychomotor Speed, Sustained Attention, and Inhibitory Control: A Double-Blind, Placebo-Controlled, Crossover Study

This study demonstrated that L-theanine significantly improves attention in simple visuomotor tasks, suggesting its potential to enhance focus and reaction time.

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Real Science. Real Calm.

We’re not here to guess—we’re here to deliver. At NeuRoot, everything we make is built on research, transparency, and trust.