https://masdiag.com/blog.html Expert perspectives on biomarker science, dried blood spot technology, and precision diagnostics from the Masdiag laboratory team. en Sun, 29 Mar 2026 00:00:00 +0000 https://masdiag.com/blog/tryptophan-serotonin-pathway-mental-health.html https://masdiag.com/blog/tryptophan-serotonin-pathway-mental-health.html Thu, 02 Apr 2026 00:00:00 +0000 Explore tryptophan metabolism, the kynurenine pathway, serotonin production, and clinical applications for depression, autoimmune disease, and gut-brain health. https://masdiag.com/blog/acylcarnitine-profiling-fat-metabolism.html https://masdiag.com/blog/acylcarnitine-profiling-fat-metabolism.html Wed, 01 Apr 2026 00:00:00 +0000 Learn what acylcarnitines are, why a 23-analyte panel reveals comprehensive metabolic status, and clinical applications from newborn screening to sports performance. https://masdiag.com/blog/contract-laboratory-services-dbs.html https://masdiag.com/blog/contract-laboratory-services-dbs.html Tue, 31 Mar 2026 00:00:00 +0000 Explore the build vs outsource decision for diagnostic testing. Learn what a contract DBS laboratory provides and how to evaluate lab partners for white-label programs. https://masdiag.com/blog/how-to-launch-at-home-blood-test-kit.html https://masdiag.com/blog/how-to-launch-at-home-blood-test-kit.html Mon, 30 Mar 2026 00:00:00 +0000 A complete guide for wellness brands and health tech companies launching white-label at-home blood test kits. Learn the roadmap from biomarker selection to commercial launch. https://masdiag.com/blog/lyme-disease-borrelia-testing.html https://masdiag.com/blog/lyme-disease-borrelia-testing.html Sun, 29 Mar 2026 00:00:00 +0000 Learn about Lyme disease transmission, early vs. late symptoms, why two-tier testing matters, and how dried blood spot Borrelia testing improves detection. https://masdiag.com/blog/cortisol-salivary-testing-adrenal-health.html https://masdiag.com/blog/cortisol-salivary-testing-adrenal-health.html Sat, 28 Mar 2026 00:00:00 +0000 Learn how cortisol and cortisone measured from saliva reveal HPA axis function. Understand diurnal rhythm, chronic stress effects, and who should test. https://masdiag.com/blog/hba1c-diabetes-monitoring-dbs.html https://masdiag.com/blog/hba1c-diabetes-monitoring-dbs.html Fri, 27 Mar 2026 00:00:00 +0000 Learn how HbA1c testing via dried blood spot eliminates clinic visits for diabetes monitoring. Understand reference ranges, testing frequency, and the advantages of at-home collection. https://masdiag.com/blog/thyroid-testing-tsh-ft4-finger-prick.html https://masdiag.com/blog/thyroid-testing-tsh-ft4-finger-prick.html Fri, 27 Mar 2026 00:00:00 +0000 Learn how TSH and free T4 testing via finger prick enables remote thyroid screening. Understand reference ranges, symptoms of dysfunction, and who should test. https://masdiag.com/blog/omega-3-index-clinical-guide.html https://masdiag.com/blog/omega-3-index-clinical-guide.html Thu, 12 Mar 2026 00:00:00 +0000 A clinical guide to the Omega-3 Index — when to order the test, how to interpret results, target ranges for cardiovascular risk reduction, and monitoring supplementation response. https://masdiag.com/blog/amino-acid-testing-what-26-biomarkers-reveal.html https://masdiag.com/blog/amino-acid-testing-what-26-biomarkers-reveal.html Wed, 11 Mar 2026 00:00:00 +0000 A comprehensive amino acid blood test measures 26 biomarkers simultaneously. Learn what amino acid profiles reveal about nutrition, metabolism, and health — and who should consider testing. https://masdiag.com/blog/what-is-the-omega-3-index.html https://masdiag.com/blog/what-is-the-omega-3-index.html Tue, 10 Mar 2026 00:00:00 +0000 Learn what the Omega-3 Index measures, why it matters for cardiovascular and brain health, and how dried blood spot testing makes it accessible. https://masdiag.com/blog/vitamin-d-clinical-management-guide.html https://masdiag.com/blog/vitamin-d-clinical-management-guide.html Mon, 09 Mar 2026 00:00:00 +0000 A clinical guide to vitamin D testing — interpreting 25(OH)D levels, choosing appropriate thresholds, monitoring supplementation, and managing high-risk populations. https://masdiag.com/blog/coq10-blood-test-what-levels-mean.html https://masdiag.com/blog/coq10-blood-test-what-levels-mean.html Sun, 08 Mar 2026 00:00:00 +0000 Coenzyme Q10 is essential for cellular energy and antioxidant defence. Learn what a CoQ10 blood test measures, normal ranges, and why levels drop with age and statin use. https://masdiag.com/blog/x-linked-adrenoleukodystrophy-screening.html https://masdiag.com/blog/x-linked-adrenoleukodystrophy-screening.html Sat, 07 Mar 2026 00:00:00 +0000 X-linked adrenoleukodystrophy (X-ALD) is a devastating genetic disorder affecting fatty acid metabolism. Learn how LPC-VLCFA testing enables early newborn screening and can prevent irreversible neurological damage. https://masdiag.com/blog/vitamin-d-testing-who-needs-it.html https://masdiag.com/blog/vitamin-d-testing-who-needs-it.html Fri, 06 Mar 2026 00:00:00 +0000 Understand vitamin D testing — who should be tested, how to interpret 25(OH)D levels, and why deficiency affects over a billion people worldwide. https://masdiag.com/blog/homocysteine-clinical-interpretation-guide.html https://masdiag.com/blog/homocysteine-clinical-interpretation-guide.html Thu, 05 Mar 2026 00:00:00 +0000 A clinical guide to homocysteine testing — when to order it, how to interpret levels, treatment targets for B-vitamin supplementation, and the role of MTHFR variant monitoring. https://masdiag.com/blog/aadc-deficiency-early-diagnosis.html https://masdiag.com/blog/aadc-deficiency-early-diagnosis.html Wed, 04 Mar 2026 00:00:00 +0000 AADC deficiency is a rare genetic disorder blocking dopamine and serotonin synthesis, often misdiagnosed as cerebral palsy. Discover how 3-O-methyldopa testing enables early identification and access to gene therapy. https://masdiag.com/blog/vitamin-a-deficiency-and-testing.html https://masdiag.com/blog/vitamin-a-deficiency-and-testing.html Tue, 03 Mar 2026 00:00:00 +0000 Vitamin A deficiency remains the leading cause of preventable blindness globally. Learn what retinol testing reveals, who is at risk, and why subclinical deficiency is widely underdiagnosed. https://masdiag.com/blog/glutathione-clinical-guide-oxidative-stress.html https://masdiag.com/blog/glutathione-clinical-guide-oxidative-stress.html Mon, 02 Mar 2026 00:00:00 +0000 Clinical guide to glutathione testing — measuring oxidative stress through GSH:GSSG ratio, identifying at-risk patients, and monitoring NAC and glutathione therapy response. https://masdiag.com/blog/histamine-intolerance-dao-testing.html https://masdiag.com/blog/histamine-intolerance-dao-testing.html Sun, 01 Mar 2026 00:00:00 +0000 Histamine intolerance affects millions yet remains underdiagnosed. Learn how diamine oxidase (DAO) deficiency causes non-allergic histamine reactions and how DAO testing reveals the true cause of your symptoms. https://masdiag.com/blog/nad-clinical-applications-longevity-medicine.html https://masdiag.com/blog/nad-clinical-applications-longevity-medicine.html Sat, 28 Feb 2026 00:00:00 +0000 Clinical guide to NAD+ testing — understanding age-related decline, monitoring NMN/NR supplementation, and integrating NAD+ measurement into longevity and metabolic health protocols. https://masdiag.com/blog/histamine-dao-clinical-guide.html https://masdiag.com/blog/histamine-dao-clinical-guide.html Fri, 27 Feb 2026 00:00:00 +0000 A clinical guide to DAO testing, interpretation of diamine oxidase levels, and diagnostic algorithms for suspected histamine intolerance when allergy panels are negative. https://masdiag.com/blog/what-is-homocysteine.html https://masdiag.com/blog/what-is-homocysteine.html Fri, 27 Feb 2026 00:00:00 +0000 Homocysteine is a key cardiovascular risk marker. Learn what elevated levels mean, how they relate to B-vitamin status, and why testing matters. https://masdiag.com/blog/vitamin-a-clinical-testing-deficiency-toxicity.html https://masdiag.com/blog/vitamin-a-clinical-testing-deficiency-toxicity.html Thu, 26 Feb 2026 00:00:00 +0000 Clinical guide to vitamin A (retinol) testing — identifying at-risk patients, interpreting serum retinol, managing supplementation safety, and monitoring malabsorption patients. https://masdiag.com/blog/vitamin-e-the-antioxidant-you-should-be-testing.html https://masdiag.com/blog/vitamin-e-the-antioxidant-you-should-be-testing.html Wed, 25 Feb 2026 00:00:00 +0000 Vitamin E protects cells from oxidative damage, but testing is rarely included in routine panels. Learn what alpha-tocopherol levels reveal and why deficiency is more common than expected. https://masdiag.com/blog/vitamin-e-clinical-testing-neuropathy-prevention.html https://masdiag.com/blog/vitamin-e-clinical-testing-neuropathy-prevention.html Tue, 24 Feb 2026 00:00:00 +0000 Clinical guide to vitamin E (alpha-tocopherol) testing — recognising high-risk patients, interpreting results with lipid context, and preventing irreversible neurological damage. https://masdiag.com/blog/glutathione-master-antioxidant.html https://masdiag.com/blog/glutathione-master-antioxidant.html Fri, 20 Feb 2026 00:00:00 +0000 Glutathione is the body's most important antioxidant. Learn what it does, why levels decline with age, and how testing can reveal oxidative stress status. https://masdiag.com/blog/nad-testing-longevity.html https://masdiag.com/blog/nad-testing-longevity.html Fri, 13 Feb 2026 00:00:00 +0000 NAD+ is central to energy metabolism and ageing. Learn what NAD+ testing reveals, why levels decline with age, and how it's measured from a dried blood spot. https://masdiag.com/blog/coq10-deficiency-who-is-at-risk.html https://masdiag.com/blog/coq10-deficiency-who-is-at-risk.html Fri, 06 Feb 2026 00:00:00 +0000 CoQ10 is vital for mitochondrial energy production. Learn who's at risk of deficiency — including statin users — and how dried blood spot testing works. https://masdiag.com/blog/dried-blood-spot-vs-venous-draw.html https://masdiag.com/blog/dried-blood-spot-vs-venous-draw.html Fri, 30 Jan 2026 00:00:00 +0000 Compare dried blood spot (DBS) testing with traditional venous blood draws — advantages, limitations, and when each method is most appropriate. https://masdiag.com/blog/amino-acid-profile-guide.html https://masdiag.com/blog/amino-acid-profile-guide.html Fri, 23 Jan 2026 00:00:00 +0000 A comprehensive amino acid profile reveals metabolic, nutritional, and neurological insights. Learn what 26 amino acid biomarkers tell us about health. https://masdiag.com/blog/bench-to-kit-method-development.html https://masdiag.com/blog/bench-to-kit-method-development.html Fri, 16 Jan 2026 00:00:00 +0000 The journey from R&D to commercial diagnostic kit — method development, validation, manufacturing, and regulatory approval explained by a lab that does it all. https://masdiag.com/blog/white-label-diagnostics.html https://masdiag.com/blog/white-label-diagnostics.html Fri, 09 Jan 2026 00:00:00 +0000 Learn how supplement and wellness brands partner with diagnostic laboratories to offer branded biomarker testing — and what it takes to launch a white-label programme.