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In-depth guideSupplementsLutein Supplements: Eye Evidence, Dose, Food Sources and SafetyA clear lutein guide covering AREDS2, intermediate AMD, lutein plus zeaxanthin, studied doses, food and label checks, smoking warnings, interactions and uncertainty.Updated 4 Sept 202616 minute read

In-depth guideBlood tests and biomarkers.Eosinophils: Absolute Count and PercentageUnderstand eosinophil counts and percentages, convert common units, and learn why the full blood count, symptoms, medicines and laboratory range matter.Updated 8 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.Total Protein Blood Test: High, Low and A/G ContextLearn what a total protein blood test measures, how albumin and globulin shape A/G context, and how to read high or low results safely.Updated 4 Sept 202613 minute read

In-depth guideBlood tests and biomarkers.UACR Test: Urine Albumin-Creatinine Ratio ExplainedUnderstand what a UACR urine test measures, the A1 to A3 categories, why repeat testing matters, and how UACR works with eGFR to assess kidney health.Updated 27 Aug 202614 minute read

In-depth guideSupplementsBoswellia Serrata SupplementsReview Boswellia serrata evidence for joint symptoms, why extract details matter, and what small trials can and cannot establish about benefits and safety.Updated 11 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.24-Hour Urine Creatinine: Test & ResultsUnderstand a 24-hour urine creatinine result, collection accuracy, units, creatinine clearance and why muscle mass and kidney context matter.Updated 31 Aug 202613 minute read

In-depth guideBlood tests and biomarkers.BUN Blood Test: High, Low & Kidney ContextUnderstand blood urea nitrogen (BUN), why hydration and protein affect it, and how creatinine, eGFR, urine albumin and trends clarify a result.Updated 29 Aug 202614 minute read

In-depth guideBlood tests and biomarkers.BUN/Creatinine Ratio: What the Blood Test AddsUnderstand how blood urea nitrogen and creatinine form a ratio, what can shift either value, and why eGFR and the full kidney assessment matter.Updated 25 Sept 20267 minute read

In-depth guideBlood tests and biomarkers.ESR Blood Test: High, Low and What Results MeanLearn what an erythrocyte sedimentation rate (ESR) measures, how Westergren and alternate methods differ, and why age, sex, pregnancy and anaemia matter.Updated 3 Sept 202614 minute read

In-depth guideBlood tests and biomarkers.Free T3 (FT3) Blood TestUnderstand free T3 alongside TSH and free T4. Learn why assay methods, illness and biotin matter, and why FT3 is not a personal metabolism target.Updated 11 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.IgM Blood Test: Total Immunoglobulin M ExplainedUnderstand total IgM, high and low results, laboratory ranges and units, and how this blood test differs from infection-specific IgM antibodies.Updated 1 Oct 20264 minute read

In-depth guideBlood tests and biomarkers.Non-HDL Cholesterol: Formula, Goals & MeaningCalculate non-HDL cholesterol, understand which particles it represents, and interpret goals with LDL, triglycerides, ApoB and overall cardiovascular risk.Updated 29 Aug 202615 minute read

In-depth guideBlood tests and biomarkers.Sodium Blood Test: Low, High and What Results MeanLearn how a sodium blood test reflects water balance, why your report interval matters, and how low or high results fit symptoms, medicines and other tests.Updated 4 Sept 202613 minute read

In-depth guideSupplementsAloe Vera Products: Oral and Topical EvidenceSee how aloe gel, latex and whole-leaf products differ, what topical and oral studies actually suggest, and where safety is uncertain.Updated 27 Sept 20267 minute read

In-depth guideSupplementsAshwagandha: Benefits, Doses Studied, Risks & SafetyEvidence-based ashwagandha guide covering stress and sleep findings, studied doses, product differences, side effects, liver risk and interactions.Updated 27 Aug 202615 minute read

In-depth guideSupplementsBeta-Carotene: Food Sources, Supplements and SafetyCompare beta-carotene foods and supplements, understand provitamin A and retinol, and read the evidence on smoker-trial harm and eye-health formulations.Updated 1 Oct 20264 minute read

In-depth guideSupplementsFolate & Folic Acid: Benefits, Dose, MTHFR & Safety | LongevityMateEvidence-based guide to folate and folic acid: pregnancy, deficiency, MTHFR, methylfolate, dose, food sources, interactions, B12 safety and testing.Updated 10 Aug 202634 minute read

In-depth guideSupplementsQuercetin Supplements: Human Evidence and SafetyRead the human evidence for quercetin supplements, including blood-pressure trials, early senolytic research, interaction signals and important limits.Updated 1 Oct 20264 minute read

In-depth guideSupplementsVitamin B5 (Pantothenic Acid) SupplementsSeparate vitamin B5 nutrition from supplement claims. Compare pantothenic acid with pantethine, understand small trials, and read safety and label limits.Updated 11 Sept 20265 minute read

In-depth guideSupplementsVitamin B6: Benefits, Safe Dose, P-5-P & Toxicity | LongevityMateEvidence-based vitamin B6 guide covering who benefits, safe dose, pyridoxine versus P-5-P, neuropathy, pregnancy nausea, interactions, testing and food.Updated 10 Aug 202631 minute read

In-depth guideBlood tests and biomarkers.Aldosterone Blood Test: Renin, Posture and LimitsLearn what aldosterone measures, why renin, posture and potassium matter, and why aldosterone-renin ratio cutoffs depend on methods and units.Updated 28 Sept 20265 minute read

In-depth guideBlood tests and biomarkers.Anti-Müllerian Hormone (AMH): Ovarian Reserve and What It Cannot PredictA careful guide to Anti-Müllerian hormone, including ovarian reserve, fertility-treatment response, age, assay, contraception, units and why AMH is not a stand-alone fertility or PCOS test.Updated 5 Sept 202613 minute read

In-depth guideBlood tests and biomarkers.Urine Protein-Creatinine Ratio: UPCR vs UACRLearn what a spot urine protein-creatinine ratio measures, why UPCR differs from UACR, and how sample timing, units and repeat tests affect its meaning.Updated 24 Sept 20267 minute read

In-depth guideSupplementsCurcumin & Turmeric: Benefits, Dose & Liver SafetyEvidence-based curcumin and turmeric guide covering osteoarthritis findings, formulation and dose differences, side effects, liver injury, pregnancy and interactions.Updated 28 Aug 202617 minute read

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