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Happy Gut Modern Endocrine
Happy Gut Modern Endocrine

Happy Gut

$45.00

Safe & Tested Ingredients

Dr. Formulated

Optimized For You


Happy Gut is a synergistic formula of 5-hydroxytryptophan (100 mg) and vitamin B6 (20 mg) per serving for supporting overall neurotransmitter metabolism by providing precursors of serotonin. 5-HTP readily enters the blood–brain barrier; however, conversion into serotonin requires the cofactor vitamin B6, which is included in this formula. Happy Gut may be used during the day to support a healthy mood and normal appetite, or it may be used at bedtime to support sleep.


Recommended Use: 

Take 1 capsule per day or as directed by your health-care practitioner.


Warning: 

Not recommended for use by pregnant or lactating women, or by those taking selective serotonin reuptake inhibitor (SSRI) or monoamine oxidase inhibitors (MAO) medications.

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Happy Gut

$45.00 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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