By Marc Dellière, Medical Consultant & Trainer – Specialist in Stress, Prevention & Integrative Health
In women, blood sugar regulation is cyclical, hormone-dependent, and too often poorly assessed. Metabolic disorders can appear well before a diagnosis of diabetes: fatigue, reactive hypoglycemia, postprandial hyperinsulinism, irregular cycles, etc.
There is a metabolic gray area, upstream of prediabetes, marked by functional insulin resistance and silent blood sugar variability. A contextualized assessment is required: age, phase of the cycle, contraception, perimenopause, hormone replacement therapy (HRT), chronic fatigue, etc.
An individualized and multidisciplinary approach improves cardiovascular prevention, quality of life, and metabolic aging.
Recent data: key points
Menstrual cycle
- Follicular phase: improved insulin sensitivity
- Luteal phase: insulin resistance, food cravings, irritability, hypoglycemia
Perimenopause and menopause
- Decrease in estrogen → increase in visceral fat → reduction in insulin sensitivity
- Increased glycemic variability, even without diabetes
- Increased risk of prediabetes and cognitive disorders related to glycemic spikes
- Potentially favorable effect of HRT (depending on type, dose, duration)
Microbiota and estrobolome:
- Intestinal dysbiosis → low-grade inflammation
- Modulation of estrogen reuptake and glucose tolerance
Assessment and intervention approaches
Functional assessment
- Oral glucose tolerance test, HOMA-IR, or QUICKI
- Continuous glucose monitoring (CGM) over a full cycle
- Hormone assessment: estradiol, SHBG, TSH, ferritin
Nutritional advice
- Increased protein and fiber intake during the luteal phase
- Reduction of total carbohydrate load according to individual glycemic responses
- Modified or intermittent fasting after menopause, depending on profile
Micronutrition and dietary supplements
- Chromium, myo-inositol, magnesium, omega-3
- Pep2Dia, berberine, resveratrol, chaste tree, microbiota modulation
Personalized physical activity
- Intensity modulated according to the cycle
- Post-menopausal weight training (increase in GLUT4, reduction in visceral fat)
- Morning exercise recommended in cases of nocturnal glycemic variability
Conclusion
Glycemic regulation in women is a dynamic process influenced by hormones, the digestive environment, and physiological transitions. Early identification of silent deviations and targeted action can prevent metabolic, vascular, and neurocognitive complications.
Learn more about Pep2Dia to maintain a healthy glycemia!
Scientific sources :
✍️ Mauricio D, Gratacòs M, Franch-Nadal J. Managing diabetes across female reproductive stages. Trends Endocrinol Metab. 2025 May;36(5):403-417. doi: 10.1016/j.tem.2025.02.003. Epub 2025 Mar 14. PMID: 40089417.
✍️ Schieren A, Koch S, Pecht T, Simon MC. Impact of Physiological Fluctuations of Sex Hormones During the Menstrual Cycle on Glucose Metabolism and the Gut Microbiota. Exp Clin Endocrinol Diabetes. 2024 May;132(5):267-278. doi: 10.1055/a-2273-5602. Epub 2024 Feb 21. PMID: 38382644; PMCID: PMC11093651.
✍️ Bermingham KM, Linenberg I, Hall WL, Kadé K, Franks PW, Davies R, Wolf J, Hadjigeorgiou G, Asnicar F, Segata N, Manson JE, Newson LR, Delahanty LM, Ordovas JM, Chan AT, Spector TD, Valdes AM, Berry SE. Menopause is associated with postprandial metabolism, metabolic health and lifestyle: The ZOE PREDICT study. EBioMedicine. 2022 Nov;85:104303. doi: 10.1016/j.ebiom.2022.104303. Epub 2022 Oct 18. PMID: 36270905; PMCID: PMC9669773.
✍️ Mauvais-Jarvis F, Clegg DJ, Hevener AL. The role of estrogens in control of energy balance and glucose homeostasis. Endocr Rev. 2013 Jun;34(3):309-38. doi: 10.1210/er.2012-1055. Epub 2013 Mar 4. PMID: 23460719; PMCID: PMC3660717.
✍️ Legro RS. Insulin resistance in women's health: why it matters and how to identify it. Curr Opin Obstet Gynecol. 2009 Aug;21(4):301-5. doi: 10.1097/GCO.0b013e32832e07d5. PMID: 19550327; PMCID: PMC3590839.