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In-depth guideBlood tests and biomarkersUrine Specific Gravity: What Concentration MeansUnderstand what urine specific gravity measures, why dipstick and laboratory methods differ, and why one result cannot diagnose dehydration or kidney disease.Updated Sep 26, 20267 minute read

In-depth guideSupplementsAlpha-Lipoic Acid: Neuropathy Evidence, Forms, Dose & SafetyEvidence-graded alpha-lipoic acid guide covering oral versus IV neuropathy evidence, studied doses, metabolic claims, R-ALA limits, interactions, side effects and high-risk groups.Updated Sep 3, 202616 minute read

In-depth guideSupplementsGarlic Supplements: Benefits and SafetyCompare garlic extracts, powder and food, including modest average benefits, a negative cholesterol trial, bleeding precautions and limits of the evidence.Updated Sep 22, 20265 minute read

In-depth guideSupplementsPsyllium: Benefits, Dose, Cholesterol & Safety | LongevityMateEvidence-based psyllium guide covering constipation, LDL and ApoB, blood sugar, dose, water, timing, interactions, forms, pregnancy and side effects.Updated Aug 10, 202632 minute read

In-depth guideBlood tests and biomarkers11-Deoxycortisol (Compound S): Test, Range & MeaningUnderstand what an 11-deoxycortisol blood test measures, why baseline, ACTH and metyrapone results differ, and how to interpret the result safely.Updated Aug 24, 202611 minute read

In-depth guideBlood tests and biomarkersCreatine Kinase (CK) Blood TestUnderstand a creatine kinase blood result, why exercise and timing matter, and how CK differs from creatinine. Read laboratory ranges with the right context.Updated Sep 10, 20265 minute read

In-depth guideBlood tests and biomarkersErythropoietin (EPO) Blood Test: Meaning and LimitsUnderstand how an EPO blood result relates to red blood cells, kidney signalling and oxygen, and why a standalone value cannot explain anemia.Updated Sep 27, 20266 minute read

In-depth guideBlood tests and biomarkersGlobulin Blood Test: High, Low and A/G RatioLearn what a globulin blood test measures, how calculated globulin and the A/G ratio differ, and how to read high or low results in context.Updated Sep 4, 202613 minute read

In-depth guideSupplementsAlgal DHA Oil: Vegan Omega-3 Labels and EvidenceAlgal oil can provide DHA without fish. Learn how to read DHA versus total oil on labels, what studies show, and where benefits and safety remain uncertain.Updated Sep 25, 20268 minute read

In-depth guideSupplementsBeta-alanine Supplements: Exercise Evidence, Studied Loading and SafetyA careful guide to beta-alanine, muscle carnosine, selected high-intensity exercise, studied loading patterns, tingling, product quality and long-term uncertainty.Updated Sep 6, 202616 minute read

In-depth guideSupplementsBromelain Supplements: Evidence and SafetyUnderstand what pineapple-derived bromelain is, why oral study findings are limited, and how prescription topical burn care differs.Updated Sep 27, 20266 minute read

In-depth guideSupplementsGreen Tea Extract (EGCG): Evidence and Liver SafetyCompare green tea extract and brewed tea, read EGCG and weight-loss claims against human evidence, and understand liver and medicine-interaction cautions.Updated Sep 30, 20266 minute read

In-depth guideSupplementsN-Acetylcysteine (NAC): Benefits, Dose & SafetyEvidence-based NAC guide separating medical acetylcysteine treatment from supplement claims, with condition-specific findings, studied doses, side effects and interactions.Updated Aug 28, 202617 minute read

In-depth guideSupplementsRiboflavin: Migraine Dose, Benefits, R5P & Safety | LongevityMateEvidence-based riboflavin guide covering vitamin B2 deficiency, the 400 mg migraine dose, R5P forms, absorption, pregnancy, tests, side effects and safety.Updated Aug 10, 202635 minute read

In-depth guideBlood tests and biomarkersAntinuclear Antibody (ANA) Test: Meaning, Patterns and LimitsA plain-English guide to antinuclear antibody testing, including titre, pattern, HEp-2 IFA, other assays, healthy positives and why the result needs clinical context.Updated Sep 5, 202612 minute read

In-depth guideBlood tests and biomarkersaPTT (PTT) Blood TestLearn what aPTT measures, why a prolonged clotting time does not always mean bleeding risk, and how medicines and sample quality affect the result.Updated Sep 11, 20265 minute read

In-depth guideBlood tests and biomarkersVitamin B6 (PLP) Blood TestUnderstand plasma PLP testing, preparation and supplement effects. See why laboratory intervals vary and a high B6 result does not alone diagnose nerve injury.Updated Sep 21, 20265 minute read

In-depth guideBlood tests and biomarkersH. pylori Stool Antigen Test: Results and TimingUnderstand H. pylori stool antigen results, the difference from breath, PCR and antibody tests, and why medicines and test-of-cure timing matter.Updated Sep 30, 20266 minute read

In-depth guideBlood tests and biomarkersMean Platelet Volume (MPV) Blood TestUnderstand mean platelet volume alongside platelet count. Learn why laboratory methods and sample timing matter, and why MPV alone cannot diagnose a cause.Updated Sep 12, 20265 minute read

In-depth guideBlood tests and biomarkersTransferrin Blood Test: Iron Transport and Result ContextLearn what measured transferrin means, how it differs from ferritin and transferrin saturation, and why inflammation and laboratory units matter.Updated Sep 8, 20265 minute read

In-depth guideBlood tests and biomarkersUric Acid Blood Test: High Results, Gout and MeaningUnderstand a uric acid blood test, high and low results, gout treatment targets, kidney excretion, urine testing and questions for your clinician.Updated Sep 4, 202613 minute read

In-depth guideSupplementsBerberine: Benefits, Dose, Weight Loss & Safety | LongevityMateEvidence-based berberine guide covering glucose, cholesterol, weight loss, dose, forms, side effects, pregnancy, medicine interactions and product quality.Updated Aug 11, 202638 minute read

In-depth guideSupplementsCaffeine: Benefits, Dose, Sleep, Side Effects & SafetyEvidence-based caffeine guide covering alertness, exercise, food and supplement sources, sleep timing, side effects, withdrawal, pregnancy and safe-use limits.Updated Aug 27, 202616 minute read

In-depth guideSupplementsCranberry SupplementsReview cranberry evidence for recurrent urinary infections, differences between juice, extracts and PAC labels, and safety limits. It does not treat an active UTI.Updated Sep 12, 20265 minute read

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