Articles tagged

Iron

2 articles. Plain-language guides, sourced, and never a diagnosis.

Latest guide

GuidesSeptember 16, 2026 5 min read

HbA1c vs fasting glucose — which test to ask for, and why the honest answer is usually both

HbA1c averages three months of blood sugar; fasting glucose is one morning. They disagree more often than people expect — iron deficiency and some haemoglobin variants shift HbA1c. What each test measures, the ranges clinicians use, and how to read both.

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Metabolic health
Labs
Prediabetes
Iron

The metabolic screening card: TyG index, TG:HDL ratio, HOMA-IR and the metabolic-syndrome criteria, each with its reference range and the date of the draw — Metabolic screening · example data

GuidesSeptember 15, 2026 5 min read

Heavy periods and low ferritin — what your own data can show, and what only a clinician can tell you

Heavy menstrual bleeding is one of the commonest causes of low iron, and it is often under-reported at appointments. Learn what "heavy" means in clinical terms, what a ferritin result does and does not tell you, and how to put both on one page for your doctor.

Cycle
Labs
Iron
Doctor's report