JYZEN
JYZEN is an integrative medicine practice in Mill Valley, led by Chief Medical Officer Beth McDougall, M.D. Its Biometrics Lab measures resting metabolic rate, VO2 max, heart rate variability, body composition, grip strength and lung function. It also offers IV therapy, on-site blood draws, cryotherapy, red light therapy and bodywork. Tests are booked by appointment, singly, in packages or in programs.
The care team
Every clinician the operator publishes by name, with their role exactly as the operator states it.

Beth McDougall
M.D.

Harris Masket
M.D.

Brooke Bennis
D.O.

Maria E. Marian
ND, MSE

Paul Wehrman

Muriel Mayes Monty
PT, COMT

Ken O’Shea
ACSM, EP
Care at JYZEN
What people come here for, the kinds of care JYZEN offers, and its specific tests and services.
What people come here for
Kinds of care
Tests and services
- Bioimpedance body composition
- Estimates body fat and muscle using electrical impedance.
- Cryotherapy
- Brief extreme cold exposure for recovery and inflammation.
- IV vitamin therapy
- Vitamin and fluid infusions marketed for energy and recovery.
- Lung function test
- Measures how much and how fast you can move air.
- Metabolic rate testing
- Measures calories your body actually burns at rest.
- Red light therapy
- Light-panel sessions marketed for skin and recovery.
- Shockwave therapy
- Acoustic-wave treatment for ED and musculoskeletal pain.
- Strength, mobility & balance testing
- Measures grip strength, movement quality and fall risk.
- VO₂ max testing
- Measures cardiorespiratory fitness, the strongest exercise predictor of longevity.
- qEEG brain mapping
- Records resting brain electrical activity and compares it against a normative database.
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
24 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.