3700: Do Blood Sugar Spikes After Eating Really Matter?
March 24, 2026
3700: Do Blood Sugar Spikes After Eating Really Matter?
March 24, 2026
TWT:
Many people today are using continuous glucose monitors and noticing spikes in their blood sugar after meals, but do those spikes actually matter for long-term health?
On today’s episode, I break down the difference between short-term blood sugar spikes and long-term glucose control, and explain why some individuals can experience higher post-meal spikes yet still maintain excellent metabolic health.
Join me on today’s Cabral Concept 3700 as I explain whether blood sugar spikes actually matter and how to better interpret your glucose data for overall health and longevity.
Enjoy the show!
Show Highlights & Big Takeaways
1. Blood Sugar Spikes Don’t Tell the Whole Story: Temporary spikes after meals can happen even in metabolically healthy individuals. What matters more is how quickly your body brings glucose back down and how long blood sugar stays elevated.
2. Hemoglobin A1C Reflects Your True Long-Term Control: Your Hemoglobin A1C represents your average blood sugar over the past 2–3 months. A lower A1C typically indicates less glycation and better overall metabolic health, even if occasional spikes occur.
3. Metabolic Health Requires Looking at Multiple Markers: To fully understand metabolic health, it’s important to also assess markers like fasting insulin, triglycerides, HDL cholesterol, and inflammation. Together, these provide a much clearer picture than glucose spikes alone.
Links From This Episode
HBA1c to eAG
4.0% → 68 mg/dL
4.1% → 71 mg/dL
4.2% → 74 mg/dL
4.3% → 77 mg/dL
4.4% → 80 mg/dL
4.5% → 83 mg/dL
4.6% → 85 mg/dL
4.7% → 88 mg/dL
4.8% → 91 mg/dL
4.9% → 94 mg/dL
5.0% → 97 mg/dL
5.1% → 100 mg/dL
5.2% → 103 mg/dL
5.3% → 105 mg/dL
5.4% → 108 mg/dL
5.5% → 111 mg/dL
5.6% → 114 mg/dL
5.7% → 117 mg/dL
5.8% → 120 mg/dL
5.9% → 123 mg/dL
6.0% → 126 mg/dL
Quick reference points
4.0% ≈ 68 mg/dL
4.5% ≈ 83 mg/dL
5.0% ≈ 97 mg/dL
5.5% ≈ 111 mg/dL
6.0% ≈ 126 mg/dL
