Dr. Rahna Rehman is a highly accomplished medical specialist in Functional and Longevity Medicine and the visionary Founder of Preciva Health.

Dr. Rehman combines over 20 years of extensive experience in the U.K.’s NHS, spanning diverse medical and surgical specialties, with world-class advanced training in the United States. She is an expert generalist renowned for her holistic, integrative approach, which bridges specialized fields to provide comprehensive, personalized care. Her focus is on optimal health, chronic disease reversal, and longevity, seamlessly integrating physical health, emotional well-being, and lifestyle factors for lasting vitality.

Dr. Rehman holds prestigious qualifications, including MBBCh, MRCGP, and MRCS, and completed her advanced medical fellowship in Anti-Aging, Functional, Metabolic, and Regenerative Medicine. This advanced training is accredited by institutions internationally recognized for leadership in Longevity Medicine, including the American Academy of Anti-Aging Medicine (A4M) and the Metabolic Medical Institute (MMI).

Her distinctive expertise is rooted in a BSc in Biochemistry, which provides a deep scientific foundation for interpreting genetic profiles and biomarkers, and postgraduate training in intensive care and surgery, sharpening her clinical precision to detect subtle health changes.

Driven by a life-changing personal health journey that highlighted the critical gaps in conventional medicine, Dr. Rehman is personally committed to the integrative model. Her mission is to use a science-backed, personalized methodology to empower clients to achieve a level of health and independence they never thought possible.