A client asked this in our Savage Sister Community... thought it would be valuable for you.
If high cortisol creates belly fat, why do I still have belly fat with low cortisol?
Cortisol is not the only hormone involved in body fat...
Belly fat has multiple causes, and cortisol is only one of them.
Low cortisol doesn't cancel out the others.
Here's probably more information than you care for:
1. Insulin is the bigger driver of fat storage Insulin is the primary fat-storage hormone. Every time you eat — especially refined carbs and sugar — insulin spikes and tells your body to store energy as fat. Chronically elevated insulin (from frequent eating, high-carb diets, or insulin resistance) is one of the most common reasons belly fat won't budge, regardless of cortisol levels.
2. Estrogen dominance In women, excess estrogen (or a poor estrogen-to-progesterone ratio) drives fat to be stored specifically around the hips, thighs, and lower belly. This is extremely common during perimenopause and menopause — even in women who are otherwise "healthy."
3. Low testosterone / poor muscle mass Testosterone helps maintain muscle, and muscle is metabolically active — it burns fat even at rest. Low testosterone (common in women 35+) means less muscle, slower metabolism, and more fat accumulation — especially centrally.
4. Poor sleep Sleep deprivation increases hunger hormones (ghrelin), decreases satiety hormones (leptin), impairs glucose metabolism, and leads to fat storage — particularly visceral (belly) fat. This happens independent of cortisol levels.
5. Caloric surplus / sedentary lifestyle The most basic driver: if energy in consistently exceeds energy out over time, the body stores fat — and for most women, that storage defaults to the midsection first. No hormone needs to be elevated for this to happen.
6. Hypothyroidism or sluggish thyroid An underactive thyroid slows metabolism significantly and is associated with weight gain and difficulty losing fat, particularly in the abdominal area.
7. Genetics and body fat distribution Some people are genetically predisposed to store fat centrally. Cortisol levels don't change where your body prefers to park excess energy.
8. Inflammation Chronic low-grade inflammation (from gut issues, poor diet, processed food, alcohol) promotes visceral fat accumulation and can drive fat storage independent of cortisol.
As you can see... it's a little more complex than just cortisol.