Know what your labs mean today. See what they'll mean tomorrow.
Optimal Testing tracks your vitamin D, iron, B12, and other key biomarkers over time, catching deficiencies early, preventing overshoot and toxicity, and keeping you in a safe, effective range long-term.
No diagnosis. No prescriptions. Just clarity for better conversations with your doctor.
Vitamin D
12-month trend
28 ng/mL
Trending toward deficiency: may need supplementation review
Iron (Ferritin)
Safe range tracking
Stable for 6 months: no action needed
Low: current supplementation is appropriate
Talk to Your Provider
Generated questions
2 biomarkers flagged for discussion
How Optimal Testing Works
Upload Your Labs
Upload lab results from any provider. We support all major lab formats and testing companies.
Track Your Trends
We analyze your labs over time to detect slow drifts, deficiencies, and overloads single results miss.
Stay in Range
Get early alerts before labs drift out of range and share clear, clinician-ready summaries when needed.
Trusted by clinicians, patients, and athletes
Built for performance, prevention, and care
Clear trends. Earlier action. Better outcomes.
"For the first time, I could see that my cholesterol wasn't just 'borderline' it was trending up fast. That visualization made me take action three years before it would have become a real problem."
Michael R.
Patient
"I take supplements regularly, and this caught me before I reached harmful levels of vitamin D and iron. I had no idea over-supplementation could happen this quietly."
Ani B.
Patient
"I manage iron, vitamin D, and thyroid levels for hundreds of patients. The trend visualizations save me 10 minutes per visit and catch drifts I would have missed until the next annual check."
Dr. Sarah Mitchell
Primary Care Physician
"Parents want foresight, not just reassurance. Being able to show them their child's vitamin D trend heading into winter, and project what happens without intervention, changes the conversation entirely."
Dr. James Park
Pediatrician
"Labs without prediction are useless for my clients. Compliance dies without timelines. This tool shows them exactly when their levels will drop if they skip their supplements, and that makes my guidance stick."
Rachel Torres, RD
Registered Dietitian
"I hit a mid-season slump and couldn't explain it. Getting my blood work tracked showed where I was under-fueling and overreaching. Fixing that helped me feel sharper, recover faster, and actually make plays again."
Alex M.
Collegiate Athlete
Why Optimal Testing?
Predictive Lab Insights
See where biomarkers are headed before they cross risk thresholds.
Clinically Grounded
Built on real physiology, reference ranges, and longitudinal data.
Faster Clinical Review
Instant trend context replaces manual lab-by-lab analysis.
Earlier Intervention
Catch slow drifts, deficiencies, and overloads before symptoms appear.