PCOS (Polycystic Ovary Syndrome) is often described as a simple hormonal imbalance. In reality, in most cases, the causes are deeper and often begin with a metabolic aspect: insulin resistance.
When insulin remains high for too long, the body no longer responds efficiently to this hormone. The body can produce more and more of it to keep blood sugar stable, and this excess also ends up affecting female hormone levels.
When insulin "talks" to the ovaries
In many predisposed women, a high presence of insulin can stimulate the ovaries to produce more androgens (like testosterone). This leads to several typical PCOS symptoms:
- persistent acne;
- excess hair (hirsutism);
- difficulty losing weight despite effort;
- irregular or absent periods;
- constant hunger and mood swings.
As long as insulin remains high, the ovaries continue to receive "distorted" signals. This creates a cycle: more blood sugar spikes → more insulin → more androgens → more symptoms.
Why many women don't realize it
In many cases, routine tests may seem perfect: blood sugar is within reference values, blood parameters show no cause for concern, and everything seems "normal."
But this doesn't mean that insulin is truly under control.
The body, in fact, can keep blood sugar levels seemingly stable by producing more insulin than necessary. It's a compensatory mechanism: the pancreas works harder to "hide" a problem that actually exists.
For this reason, blood sugar alone is not enough to understand how metabolism works.
Over time, this continuous effort leads to a condition where cells become less sensitive to insulin: the body produces more and more of it, but the metabolic response decreases.
This is the prelude to insulin resistance, one of the most common metabolic bases in PCOS.
This is why so many women, despite following an apparently correct diet or exercising regularly, struggle to lose weight, experience constant hunger, or see their acne and menstrual cycle worsen.
The problem is not just "how much" they eat, but how their body reacts to carbohydrate-rich foods — especially if refined or consumed alone.
Every blood sugar spike creates a new insulin spike, and this keeps the body in a state of constant accumulation, making it difficult to burn fat and restore hormonal balance.
The role of low-carb nutrition in PCOS
The low-carb diet is not "mandatory" for those with PCOS, but it can be an extremely useful tool. By reducing blood sugar spikes, the demand for insulin decreases: this tends to reduce the stimulus for androgen production. Less androgens often means less acne, less constant hunger, and a more efficient metabolism.
In practice, keeping blood sugar stable is like turning down the volume of inflammation and hormonal stress. It's not about eliminating carbohydrates, but about choosing them wisely (preferring those with a low glycemic index) and always combining them with proteins and "good" fats.
This type of diet can also improve aspects related to PCOS such as energy, concentration, and mood, making long-term adherence simpler.
The right approach: awareness and small steps
PCOS is not "solved" with miraculous diets, but with a conscious and consistent journey. Understanding what is happening in the body is the first step to starting to manage it better, without revolutionizing everything overnight.
Small daily changes — less added sugar, attention to portions of starchy foods, choosing foods that don't cause large blood sugar swings — can make a big difference over time.
Important note
This content is for educational purposes and does not replace consultations, diagnoses, or therapies. PCOS requires a clinical evaluation and, when necessary, teamwork between a gynecologist, general practitioner, and nutrition professionals.
Do you want to start eating in a more balanced way?
If you want to start stabilizing blood sugar and improving metabolic well-being, you can start with my low-carb food guides 🥦 — practical and sustainable paths with recipes, seasonal menus, and simple strategies to apply every day.
They are not rigid diets, but concrete tools to learn how to choose the right foods and reduce blood sugar swings, step by step.