Fasting Glucose
Fasting glucose is the snapshot of blood sugar after 8+ hours without food. Useful but volatile — HbA1c is the more reliable single read for chronic glycaemic control. Always interpret alongside fasting insulin for a real insulin-resistance picture.
- Category
- Metabolic
- Units
- mmol/L
- Reference range
- 3.9-5.5 mmol/L (fasted)
What does a high Fasting Glucose result mean?
Above 5.6 mmol/L: impaired fasting glucose. Above 7.0: diabetic range. Stress, illness, or inadequate fasting can transiently elevate.
What does a low Fasting Glucose result mean?
Hypoglycaemia, fasting too long, rare insulin-secreting tumours.
Why does Fasting Glucose matter?
Catches the metabolic dysfunction that crashes testosterone before HbA1c moves.
Want Fasting Glucose interpreted in the context of your full panel? Every FORM bloodwork tier covers it, with an MD walking you through the result.
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