Nutrition
Oral Glucose Tolerance
Oral glucose tolerance testing checks blood sugar after a standard glucose drink in clinical settings—not the same as casual CGM meal curves.
Oral glucose tolerance testing measures blood sugar response after a standardized glucose drink—used clinically to diagnose gestational diabetes and impaired glucose metabolism. It differs from everyday CGM curves after real meals.
Fasting prep and lab timing matter; home hacks are not equivalent.
Common questions
-
Do you need OGTT if you wear a CGM?
CGM shows real-life patterns; OGTT is standardized for diagnosis. Follow your clinician on which test fits pregnancy screens, prediabetes, or symptoms.
Related terms
Put Oral Glucose Tolerance into practice
Ohga connects nutrition, fitness, focus, and habits with an AI copilot that learns your patterns. Join the waitlist for early access.