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Rainbow Labs delivers quick, doctor-interpreted home blood testing straight to your door or its Harley Street clinic. Targeted panels cover Vitamin D, thyroid and full wellness profiles, returning results within 48-72 hours via clear SmartReports. Kits are batch-tested and created under UK doctors for dependable accuracy. Slide a small sample into the prepaid pack and let Rainbow Labs reveal insights that guide you towards brighter, data-driven wellbeing.