Insulin Resistance in Women: Signs, Symptoms, and Natural Solutions

If you have been struggling with weight that will not budge despite eating well, energy that crashes after meals, intense sugar cravings, or a general sense that your metabolism is working against you, insulin resistance may be the piece of the puzzle nobody has tested for.

Insulin resistance is one of the most common metabolic conditions in women today, and one of the most underrecognized. It does not always appear on a standard blood panel because most doctors check fasting glucose but not fasting insulin, and you can have significant insulin resistance with completely normal glucose levels. By the time glucose becomes abnormal, insulin has often been elevated and causing damage for years.

Understanding insulin resistance early, and addressing it, is one of the most important things you can do for your long-term hormonal health, fertility, cardiovascular health, and metabolic wellbeing.

1 in 3  US adults.

According to the CDC, approximately one in three US adults has prediabetes, the clinical stage of insulin resistance, and the vast majority have no idea. In women with PCOS, the rate of insulin resistance may be as high as 70 to 80 percent.

What Is Insulin Resistance and Why Does It Matter?

Insulin is a hormone produced by the pancreas whose primary job is to escort glucose from your bloodstream into your cells, where it can be used for energy. When cells stop responding properly to insulin's signal, the pancreas compensates by producing more and more insulin to get the same result. This is insulin resistance, a state of elevated insulin in the presence of normal or rising blood glucose.

According to the National Institute of Diabetes and Digestive and Kidney Diseases, over time this hormonal imbalance drives a cascade of downstream effects that go far beyond blood sugar. In women specifically, high insulin stimulates the ovaries to produce excess androgens like testosterone, contributing to PCOS (now increasingly referred to as PMOS, or polyendocrine metabolic ovarian syndrome), acne, hair thinning, and cycle irregularity. It promotes fat storage particularly around the abdomen, drives inflammation throughout the body, and, if not addressed, progresses toward pre-diabetes and type 2 diabetes.

The reason this matters so much is that insulin resistance is reversible. Unlike many metabolic conditions, the biology here is highly responsive to lifestyle, nutrition, and targeted naturopathic intervention. Catching it early and addressing it comprehensively can dramatically change the trajectory of a woman's hormonal and metabolic health for decades.

Signs and Symptoms of Insulin Resistance in Women

Insulin resistance does not always announce itself clearly. Many women live with it for years without a diagnosis because the symptoms overlap with so many other conditions. Here is what to look for.

Metabolic and physical signs include unexplained weight gain particularly around the abdomen and waist, difficulty losing weight even with diet and exercise changes, a darkening of the skin in body folds (called acanthosis nigricans, most visible at the neck and underarms), skin tags particularly around the neck and armpits, and blood pressure that has been creeping upward.

Energy and mood signs include energy crashes and intense fatigue 1 to 2 hours after eating, strong cravings for sugar or carbohydrates particularly in the afternoon, difficulty going more than a few hours without eating, brain fog, and mood swings that seem connected to meal timing.

Hormonal signs specific to women include irregular or absent periods, symptoms of PCOS such as acne, hair thinning, and excess hair growth, difficulty conceiving, elevated androgens on a blood panel, and worsening PMS. These hormonal manifestations are often what bring women to my practice, and insulin resistance is frequently the underlying thread connecting them.

Most women I see with insulin resistance have never had their fasting insulin tested. Their fasting glucose is normal so they have been told their blood sugar is fine. But fasting insulin tells a completely different story, and it is the story that actually matters.

-- Dr. Juline Savaya, NMD

How to Actually Test for Insulin Resistance

Standard blood panels check fasting glucose and sometimes hemoglobin A1c. These tests are useful but insufficient for detecting early insulin resistance. The Mayo Clinic notes that prediabetes and insulin resistance can be present for years with no clear symptoms, which is exactly why testing fasting insulin alongside fasting glucose is so important. The HOMA-IR index, a calculation using both values, is far more sensitive for detecting insulin dysregulation before glucose abnormalities appear.

In my practice, I run a comprehensive metabolic workup that includes fasting insulin alongside fasting glucose, a full lipid panel, hemoglobin A1c, liver enzymes to screen for fatty liver, inflammatory markers, and sex hormone levels. In women, insulin resistance never exists in isolation. It intersects with thyroid function, adrenal health, and reproductive hormones, and I want to see the full picture before making recommendations.

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How Naturopathic Medicine Addresses Insulin Resistance

Insulin resistance is highly responsive to lifestyle and nutritional intervention, and this is one of the most evidence-backed areas of naturopathic medicine. The approach is not about eating less and exercising more. It is about working with the body's hormonal systems strategically.

Nutrition is the foundation. A low-glycemic, anti-inflammatory dietary pattern consistently improves insulin sensitivity in research. This means prioritizing non-starchy vegetables, quality proteins, healthy fats, and complex carbohydrates while significantly reducing refined sugars and ultra-processed foods. Meal timing matters too, and a protein-and-fat-rich breakfast stabilizes blood sugar through the morning in a way that a carbohydrate-heavy breakfast simply does not.

Movement is the second most powerful intervention available. Skeletal muscle is the primary site of glucose uptake in the body, and regular muscle contraction dramatically improves insulin sensitivity. Both resistance training and aerobic exercise are beneficial.

Targeted nutritional support plays an important role alongside dietary changes. Magnesium is required for over 300 enzymatic processes including insulin signaling, and deficiency is extremely common in insulin-resistant patients. Berberine has robust clinical evidence for insulin sensitization, comparable in some studies to metformin. Alpha-lipoic acid improves mitochondrial glucose metabolism. Inositol, particularly myo-inositol, has strong evidence specifically for insulin resistance in PCOS.

Depending on the individual case, medication such as metformin can also play a role, used alongside these naturopathic and lifestyle strategies and coordinated with the broader care team when pharmaceutical support is indicated.

Why Insulin Resistance Matters If You Are Trying to Conceive

Insulin resistance is one of the most common and most treatable root causes of ovulatory infertility. Elevated insulin directly suppresses the hormonal signaling needed for normal follicle development and ovulation. It drives androgen excess that disrupts the menstrual cycle. And it increases the risk of miscarriage, gestational diabetes, and pregnancy complications even in women without a PCOS diagnosis.

Improving insulin sensitivity before conception is one of the most impactful things a woman can do for her fertility outcomes, and it is central to the preconception work I do with patients in Arizona and clients in Michigan.

When to Seek an Evaluation for Insulin Resistance

Consider a comprehensive metabolic evaluation if any of the following apply to you:

• You have unexplained weight gain particularly around your midsection that has not responded to diet or exercise

• You experience energy crashes, intense cravings, or fatigue after eating

• You have been told your blood sugar is borderline or on the higher end of normal

• You have PCOS or have been told your androgens are elevated

• You have a family history of type 2 diabetes, cardiovascular disease, or metabolic syndrome

• You have irregular periods or are having difficulty conceiving

• You have skin changes including darkening at the neck or armpits, or new skin tags

• You have never had your fasting insulin tested alongside your fasting glucose

Insulin resistance is not inevitable and it is not permanent. With the right approach, it is one of the most responsive conditions in naturopathic practice. The earlier you address it, the more options you have.

WRITTEN BY

Dr. Juline Savaya, NMD

Licensed Naturopathic Physician (Arizona)  |  Naturopathic Health Consultant (Michigan)

Dr. Savaya specializes in women's health, hormones, fertility, and gut health. She sees patients via telehealth across Arizona and in-person and virtually in Michigan.

Learn more about Dr. Savaya.

References

1. Centers for Disease Control and Prevention. The Surprising Truth About Prediabetes. cdc.gov

2. Mayo Clinic. Prediabetes: Symptoms and causes. mayoclinic.org

3. National Institute of Diabetes and Digestive and Kidney Diseases. Insulin Resistance and Prediabetes. niddk.nih.gov

4. Mayo Clinic. Metabolic Syndrome: Symptoms and causes. mayoclinic.org