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L-Theanine Modern Endocrine
L-Theanine Modern Endocrine

L-Theanine

$36.00

Safe & Tested Ingredients

Dr. Formulated

Optimized For You


L-theanine is a naturally occurring, unique amino acid found in tea leaves. L-theanine has been shown to reduce stress and promote relaxation without causing drowsiness. It alleviates nervousness due to overwork and decreases irritability by contributing to a variety of changes in the brain. Human studies suggest it is also helpful in improving focus, attention and mental clarity while reducing the negative side effects of caffeine.

1 capsule per day or as recommended by your health care professional.

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L-Theanine

$36.00 USD

Cassie Smith, MD Approved

Cassie Smith, MD is dual board-certified in endocrinology, diabetes, metabolism, and internal medicine. She’s a certified health care professional who understands the power of high quality vitamin and supplement formulas. She has approved every selected ingredient to support your long term wellness.

Why Our Supplements Work

Expert-Selected

Expertly Curated

Every product is hand-selected by Dr. Cassie Smith and our team of medical professionals, rooted in science, not trends.

Compassionate Service

Compassionate Care

We prioritize your comfort, well-being, and long-term success with supplements designed to support real healing, not just symptom relief.

Holistic Approach

Whole-Body Wellness

We take a functional, holistic approach—pairing high-quality supplements with lifestyle guidance, nutrition support, and stress management.

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