Radiant Health SF
Radiant Health SF is a three-doctor naturopathic and functional medicine practice in San Francisco's Marina, built first around hormones with a longevity track. Biological age is the front door: an at-home TruAge test turned into a protocol that can include peptides and bioidentical hormones. New patients start with a Health Strategy Call. People come here for hormones and energy and midlife care.
The care team
Every clinician the operator publishes by name, with their role exactly as the operator states it.

Dr. Kristy Vermeulen, Nd
ND
Published qualifications"Dr. Kristy is a internationally recognized Naturopathic Doctor with an expertise in functional endocrinology and bio-identical hormone replacement." She runs the clinic’s HCG weight loss program.

Dr. Karmen Gregg
Published qualifications"Dr. Karmen Gregg is a clinical nutritionist specializing in functional and integrative medicine."

DR. Nazanin Safaei
ND
Published qualifications"Dr. Safaei is a licensed naturopathic doctor dedicated to evidence-based, personalized medicine and comprehensive patient education."
Care at Radiant Health SF
What people come here for, the kinds of care Radiant Health SF offers, and its specific tests and services.
What people come here for
Kinds of care
Tests and services
- Biological age testing
- Estimates aging pace from epigenetic markers.
- Comprehensive biomarker panel
- Blood testing far beyond an annual physical, 50–160+ markers.
- Food sensitivity testing
- IgG-based reaction panels.
- GLP-1 weight loss program
- Physician-supervised semaglutide/tirzepatide with monitoring.
- Gut microbiome testing
- Profiles gut bacteria to guide digestive care.
- Health & nutrition coaching
- Ongoing behavior, nutrition and training guidance.
- Hormone panel
- Measures sex hormones, thyroid and adrenals.
- Low-dose naltrexone (off-label)
- Naltrexone prescribed far below its approved dose, marketed for pain, fatigue and autoimmune symptoms. Off-label, with evidence limited to small studies.
- Menopause hormone therapy
- Estrogen/progesterone care for perimenopause and menopause.
- Micronutrient testing
- Measures vitamin and mineral levels, some inside the cell rather than in serum.
- NAD+ therapy
- Infusions or shots of a cellular-energy cofactor.
- Peptide therapy
- Compounded peptides marketed for recovery, growth hormone and repair.
- SIBO & breath testing
- Breath tests for small-intestinal bacterial overgrowth and related organisms.
- Telomere length testing
- Measures average telomere length, sold as a marker of cellular aging.
- Thyroid treatment
- Medication for diagnosed thyroid conditions.
More care this clinic lists, in its own words.
Practical information
Confirm anything time-sensitive directly with the clinic before your visit.
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Selected based on location and overlapping tests and services.

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About this profile and its sources
18 sources
Everything on this page is what the clinic publishes about itself, gathered from the pages linked below and put in one place, in plain English. Where a fact comes from somewhere else, it is named beside that fact.