VO2 Max
Advanced VO₂ Max Testing for Fitness, Longevity & Metabolic Optimization in Pasadena
VO₂ Max Testing is the gold standard for measuring cardiovascular endurance and metabolic efficiency. At Beauty by Dr. Kay, we offer clinical-grade VO₂ assessments to precisely measure how much oxygen your body can use during intense physical activity—a powerful predictor of overall health, athletic potential, and longevity.
Whether you’re a high-performance athlete, a wellness enthusiast, or simply optimizing for graceful aging, your VO₂ Max score helps tailor workouts, prevent overtraining, and identify respiratory or cardiovascular limitations before they impact performance or well-being.
Our state-of-the-art system analyzes your breathing, oxygen output, and heart rate while you exercise, giving you the most accurate data to improve stamina, fat-burning efficiency, and energy utilization.
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During a VO₂ Max test, you wear a mask connected to a high-precision analyzer while performing controlled exercise on a treadmill or stationary bike. As intensity increases, the machine measures how much oxygen your body absorbs and how much carbon dioxide it expels—pinpointing your aerobic capacity, ventilatory threshold, and metabolic flexibility in real time.
Frequently Asked Questions
VO₂ Max is the maximum amount of oxygen your body can utilize during exercise. It's a key indicator of cardiovascular fitness, endurance, and longevity potential.
Athletes, biohackers, wellness clients, and anyone looking to improve stamina, heart health, fat metabolism, or exercise efficiency benefit from testing.
Using a metabolic cart and specialized mask, your oxygen consumption and carbon dioxide output are measured during graded treadmill or bike exercise in a controlled setting.
A high VO₂ Max suggests excellent cardiovascular health and endurance, while a low score may indicate poor fitness or potential circulatory or pulmonary issues.
Every 3–6 months is ideal if you're working on a fitness or longevity plan. It helps track progress, tweak workouts, and measure real physiological improvement.
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What our Patients Say About Us
“I’ve been going to Dr. Kay for five years, and the results have been truly life-changing. From fillers (under-eye, jawline, cheeks, lips, temples, chin) to PRP for my scalp and breast augmentation scars, every treatment has been natural, subtle, and customized to my face. As an actress, it's essential my expressions stay intact—at 33, people are shocked I’ve had work done. Dr. Kay is truly the best—her techniques, precision, and global expertise set the standard. Yes, she may be more expensive, but it's worth every penny when it’s your face. I’ve never had to dissolve anything, and my confidence has never been higher. 💖💖”
-Margo, Graff
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“Dr. Kay is the absolute best, and her staff is always so warm and welcoming. I always have a great experience at every appointment. I love that Dr. Kay offers specials each month, and her Stay with Kay program is a no brainer especially if you are dedicated to routine Botox and overall maintenance. Her skincare products are also awesome. I use the Vit. C Serum, Deep Blue Hydration., and Neck Firming Therapy cream. Dr. Kay's work is flawless, and I always get so many compliments after my visits with her. She is such a sweetheart and so is her manager Carmen and the rest of the staff. Highly recommend!!”
- Kelly R.
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“Absolutely had a great experience at Dr. Kay’s office.Everyone in her team was extremely nice and helpful. I was immediately happy with my results. I have another appointment in the next couple weeks and I am excited to see the finished results! Definitely recommend if you want to leave the office feeling happy with your results!” - Anna F.
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“Dr. Kay and her team are the best option for facials, anything injectable and general skincare and maintenance. I come here because I know I’m getting the absolute best care from knowledgeable, carefully and informative injectors! With Dr. Kay I get a specific plan that is right for my goals and budget. I get all my questions answered and leave her office feeling empowered! Join the VIP program! You won’t regret it. I received my first microdermabrasion facial as well as Botox for my traps, wrinkles and platysma bands.”- Sophie R.
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“Dr. Kay is truly exceptional! I’ve been a follower on Instagram, admiring her work, and I finally had the opportunity to experience it firsthand. Her products and services are top-notch. Personally, I underwent a nose job as a teen, and unfortunately, the initial results left me feeling insecure. Thanks to Dr. Kay’s renowned liquid Rhinoplasty, she transformed my nose into my dream look in just 20 minutes! I’m incredibly thrilled with the results, and her supportive staff only adds to the positive experience. My confidence has seen a significant boost. Without a doubt, I highly recommend Dr. Kay!”
- Gil A.
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“I participated in a Radiesse study for lower face balancing for Dr. Kay’s Modern Aesthetic Theory.
I always appreciate Dr. Kay’s direct communication, professionalism and expertise. I also had her address some changes in under eye filler that I had and wasn’t happy with. You never want to go just anywhere with regard to aesthetics and under eyes. I did wait a while longer than I expected to be seen, however, overall I’m happy with the results. Subtle, and natural.”
- Rebecca F.
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“I have been treated by Dr. Kay for the last 8 months doing a Sculptra study.
I had previously been using fillers to help with what I thought was volume loss throughout my face. With this one Sculptra study, Dr. Kay has essentially given me a face lift without using any fillers or adding volume to my face. I trust Dr. Kay and her staff to keep me looking my best without changing my overall look. I’m incredibly happy with my services!.”
- Rose L.
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“I love Dr. Kay! She came recommended by a friend who manages a med spa, as the #1 doctor for facial injections. I drive all the way from the Palisades for Botox and fillers... she does a beautiful job creating a natural look to help me look like my best self. 💖 Thank you for helping me look as young as I feel.”
- Laura N.
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“I highly recommend Dr. Kay. I am 65 and I was quite honestly pretty nervous for my appointment. Everyone in the office made me feel safe, excited, and comfortable..”
- Alison H.
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