The Longevity Registry

Advance Health Integrative & Functional Medicine

1849 Sawtelle Blvd, Suite 610 · Los Angeles, CA 90025

LISTED

This practice has not paid for its inclusion. Details were compiled from public sources and have not been independently verified.

Advance Health Integrative and Functional Medicine is a physician-led functional medicine practice in West Los Angeles, founded and directed by Dr. Rashel J. Tahzib — one of the few physicians in the country who is both a board-certified osteopathic family physician and a Certified Practitioner through the Institute for Functional Medicine (IFMCP). Dr. Rashel's approach is built on the conviction that most chronic il

One of 7 longevity practices on file in Los Angeles, California. Focus areas include Advanced Blood Biomarkers, CGM / Metabolic Diagnostics, Functional Medicine. Credentials on file: A4M / ABAARM (Anti-Aging Medicine), IFM (Functional Medicine).

Focus areas

Services

  • Functional Medicine Consultations
  • Bioidentical Hormone Therapy (BHRT)
  • Thyroid Health Optimization
  • Autoimmune Disease Reversal
  • Gut Health Restoration (SIBO, Candida, Leaky Gut)
  • Functional Medical Weight Loss
  • Chelation Therapy & Heavy Metal Detox
  • Fertility Optimization
  • Advanced Biomarker & Functional Lab Testing

Credentials

  • A4M / ABAARM (Anti-Aging Medicine)
  • IFM (Functional Medicine)

Physicians

  • Rashel J. Tahzib

Contact

Hours

Monday through Friday 9:30 AM–5:00 PM

Source: FindLongevityMD · Data as of September 6, 2026

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