Postprandial glucose

Postprandial glucose refers to your blood sugar levels in the hours after eating, which can impact energy, hunger, fat loss, and long-term metabolic health. This topic covers how meals, training, sleep, and supplements influence post-meal glucose spikes and why keeping them in check matters for performance, body composition, and longevity.

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CGM for nondiabetics: Is tracking blood sugar worth it for men?

Dr. Susan Carter, MD: Endocrinologist & Longevity Expert

Dec 17, 2025 · 13 min read

For most men without diabetes, tracking blood sugar with a CGM is not worth it—but a 2 to 4 week, structured trial can be useful for appetite control or training-fuel troubleshooting. The key is knowing what a CGM can and cannot tell you, then using the data to make changes you can actually sustain. “For ...