Advanced Biomarker Labs in Ontario, California
Residents of Ontario now have access to hospital-grade longevity biomarker testing via local Quest Diagnostics centers.
Quest Diagnostics Locations Near Ontario
You can complete your draw at any of the following locations after securing your lab order online:
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Comp – Ontario (Preferred)
Ontario, CA 91761
909-605-8888
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Get Directions → |
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Proactive Work Ontario (Preferred)
Ontario, CA 91761
909-390-3400
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Get Directions → |
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Examone – Riverside (Preferred)
Rancho Cucamonga, CA 91730
855-570-3926
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Get Directions → |
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Arrow Occupational Medicine Center (Preferred)
Rancho Cucamonga, CA 91730
909-297-5070
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Get Directions → |
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Quest Diagnostics – Upland Foothill
Upland, CA 91786
909-946-9405
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Get Directions → |
Don’t Pay Retail Prices at These Labs
Most patients in California overpay for basic blood work. We use a Function Health membership to unlock incredible pricing at the locations listed above.
| Feature | Standard Walk-In | Function Health |
|---|---|---|
| Total Cost | $2,500+ (Est.) | $365 / year |
| Biomarkers Tested | ~20 (Basic Panel) | 100+ (Full Body) |
| Clinician Notes | ✘ No | ✔ Included |
| Retest (6 Months) | ✘ Pay Again | ✔ Included |
Get Your Biological Age with Function →
Why Ontario Residents Are Upgrading Their Labs
Many individuals in California are turning to preventative testing for three main reasons:
- Find Answers Standard bloodwork can miss issues like thyroid, hormone, or autoimmune problems.
- Longevity Optimization: You cannot optimize what you do not measure. Function tracks APOB, Insulin, and Cortisol to measure aging.
- Family History: Early detection of cancer signals or heart disease risk factors is possible.
Ontario boasts excellent access to nature; its proximity to mountains and numerous parks makes integrating natural movement into daily life, a core Blue Zone principle, highly accessible. This allows for effortless outdoor activity, a significant strength for longevity.
However, car dependency is a substantial challenge. Relying on vehicles for daily errands can limit incidental movement and spontaneous social interaction, making ‘moving naturally’ less organic. Residents must consciously seek ways to counteract this sedentary bias for optimal health.
The 3-Step Process for Ontario Locals
- Start Your Membership: Create your account online.
- Draw Blood: Book your appointmnet at any Ontario location. The draw can take less than 15 minutes.
- Get Answers: Results are uploaded to your secure dashboard with clinician notes explaining every red flag.
Common Questions
Can I walk into Quest in Ontario and buy this?
No. This specific package is care of Function Health and must be ordered through them.
Is this covered by insurance?
Function Health does not accept insurance. It is HSA/FSA eligible.
Ready to See Your Data?
Don’t guess about your health. See the full list of biomarkers included and get your access code below.
