HbA1c and glycemic load
Reads: Blood-sugar support
You want it tight: steady glucose control is upstream of energy, weight and metabolic longevity.
What this marker reads
How high your blood sugar runs, and for how long, across the day. Higher is worse: sugar that stays high after meals slowly damages nerves, blood vessels and the eyes, including the lens.
What a named body publishes
Each line below is the sentence the issuing body wrote, carried with its own identifier. Nothing here interprets your result — it states what was published, for whom, and by whom.
HbA1c
“NIDDK's A1C table gives "Normal: below 5.7 percent".”
The A1C Test & Diabetes · National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health — last reviewed April 2018 The document
“NIDDK's A1C table gives "Prediabetes: 5.7 to 6.4 percent".”
The A1C Test & Diabetes · National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health — last reviewed April 2018 The document
“NIDDK's A1C table gives "Diabetes: 6.5 percent or above".”
The A1C Test & Diabetes · National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health — last reviewed April 2018 The document
“The WHO consultation states "An HbA1c of 6.5% is recommended as the cut point for diagnosing diabetes", adding that "A value of less than 6.5% does not exclude diabetes diagnosed using glucose tests".” a diagnostic cut point, with the source’s own caveat
Use of Glycated Haemoglobin (HbA1c) in the Diagnosis of Diabetes Mellitus: Abbreviated Report of a WHO Consultation · World Health Organization, Geneva, 2011 — hosted on NCBI Bookshelf The document
“NIDDK states that "Studies have shown that some people with diabetes can reduce the risk of diabetes complications by keeping A1C levels below 7 percent", while noting that "an A1C level that is safe for one person may not be safe for another".” a treatment target for people already diagnosed
The A1C Test & Diabetes · National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health — last reviewed April 2018 The document
Your laboratory reads your result against its own assay, and this page does not do that for it. What is above is what a named body published and for whom; the machinery this marker reads is set out on its pathway page, and the formulas witnessed on it are below.
The machinery behind it
What raises this marker and what it goes on to move — each edge carried with its own study — is set out in full on its pathway page: Blood-sugar support →
Formulas that modulate it
Each formula page names this pathway and carries the study behind its claim.
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