How a blood draw works.
01 Plan
Book in the app
Pick a location and time from 238+ certified draw locations in the Optimize app — no referral from your GP needed.
02 Draw
Visit a location
Stop by your chosen location for a quick, professional blood draw by trained staff.
03 Results
Results in the app
Your results appear in the Optimize app typically within 24 hours — explained in plain language against optimal ranges.
Appointment
Book a blood test appointment.
You can book a blood test appointment with Optimize online, without a GP referral. Choose your package, pay online and schedule your blood draw in the Optimize app at a location near you — from 238 certified draw locations across the Netherlands. Your results appear with plain-language explanations in the app, usually within 24 hours.
Book your blood testQuality first
Processed by leading laboratories.
Locations
Find a location in the Netherlands.
Pick your city to see the certified draw locations nearby.
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Or browse by city
Ready when you are.
Choose your package and book your blood test — no referral needed, at a draw location near you.
Book your blood test
Or download the app