Insulin resistance is not just a metabolic problem — it is a hormonal problem. And until insulin is addressed, virtually every other hormonal intervention will produce suboptimal results. Yet the connection between insulin and the broader hormonal system is rarely discussed in conventional medicine outside of diabetes management.
Insulin is a powerful anabolic hormone. When working correctly, it signals cells to absorb glucose for energy or storage. When cells become resistant — failing to respond normally to insulin’s signal — the pancreas compensates by producing more insulin. This chronically elevated insulin (hyperinsulinemia) is the actual driver of most metabolic and hormonal disruption, and it can persist for years or decades before blood glucose actually rises enough to trigger a diabetes diagnosis.
The hormonal consequences of insulin resistance are far-reaching. In women, hyperinsulinemia directly stimulates ovarian production of androgens (testosterone and androstenedione), driving the hormonal picture seen in PCOS: elevated testosterone, suppressed SHBG, disrupted ovulation, and estrogen dominance. In men, insulin resistance is associated with lower testosterone, higher estrogen (through increased aromatase activity in abdominal fat), and impaired sperm production. In both sexes, it impairs thyroid conversion, drives cortisol dysregulation, and accelerates cellular aging.
Fasting insulin — not just fasting glucose or HbA1c — is the critical test. Fasting insulin should ideally be below 5 uIU/mL. Values between 5–10 suggest early insulin resistance. Values above 10 indicate significant metabolic dysfunction that will undermine every other hormonal intervention until addressed. HOMA-IR (calculated from fasting insulin and fasting glucose) provides an additional measure of insulin sensitivity.
Addressing insulin resistance requires a precision approach: targeted dietary modification, strategic exercise (particularly resistance training and high-intensity interval training), sleep optimization, stress management, and targeted supplementation. Call 844-734-2112 or contact us to have your metabolic and hormonal picture evaluated together.