Guides
The things a table cannot explain.
Nothing here can diagnose you, and nothing here is a treatment plan. Blood glucose results are interpreted by a doctor alongside your history, your symptoms and a repeat test — a single number on a screen is not a diagnosis. If any reading concerns you, or if you feel unwell, see a doctor rather than a website.
The "sugar level by age chart" is not a real thing
Popular charts list a different normal blood sugar range for every age group. The published diagnostic criteria do not work that way — here is what actually changes with age and what does not.
Open →How to read an Indian blood sugar lab report
FBS, PPBS, RBS, OGTT and HbA1c — what each line on a pathology report actually measured, what the units mean, and why the lab's own reference range may not match the guideline.
Open →What HbA1c actually measures — and when it misleads
HbA1c reflects average glucose over roughly three months. It is convenient and standardised, and there are well-documented situations in which it is the wrong test. Both halves matter.
Open →Glycemic index vs glycemic load, with the arithmetic
GI ranks a food against glucose at a fixed 50 g of carbohydrate. Glycemic load scales that to the amount you actually eat. One line of arithmetic separates them.
Open →Rice does not have a glycemic index
Published GI values for rice run from the high 30s to the 90s depending on variety, parboiling and cooking time. That range is the finding — and it is why this site refuses to print one number.
Open →Diabetes in India: what the national survey found
The ICMR-INDIAB study measured glucose across every state and union territory. Its headline estimates — 101 million with diabetes and 136 million with prediabetes — reset what the scale of this actually is.
Open →PeakForm is a training and accountability programme. It is not a treatment for diabetes or prediabetes, it is not a substitute for your doctor's advice, and nothing on this site should be acted on before speaking to one.
General information only — NOT medical advice, and never a diagnosis. Only a doctor can interpret your results and diagnose or treat diabetes. If a reading concerns you, see a doctor rather than a website. Every threshold, equation and glycemic index value used on this site is listed with its publication on the data & method page, and every publication is listed with its issuing body and its date in the source register.
SOURCE·Published reference ranges + GI tables·REVIEWED JUL 2026
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