1. What is the condition?
Acanthosis nigricans shows up as dark, velvety patches of skin—most often on the neck, armpits, or groin. It’s not just cosmetic—it’s your skin waving a flag that insulin resistance is at work inside.
2. What are some common signs and symptoms?
– Dark, velvety skin patches (neck, armpits, groin, knuckles)
– Sometimes mildly itchy or odorous
– Strongly linked with obesity, diabetes, and PCOS
3. What is the difference between the conventional view and the functional medicine perspective?
– Conventional View:
This condition is seen as a cosmetic problem, treated with topical creams, retinoids, or laser therapy.
– Functional View:
Recognizes it as a clinical marker of insulin resistance and chronic hyperinsulinemia that signals deeper metabolic dysfunction.
4. How does the condition stem from metabolic dysfunction?
When you develop insulin resistance, your cells stop responding efficiently to insulin. To compensate, your pancreas produces more insulin, called hyperinsulinemia. Chronically high insulin doesn’t just affect blood sugar—it also signals like a growth hormone. It binds to insulin and IGF-1 (insulin-like growth factor) receptors in the skin. This overstimulation causes skin cells, called keratinocytes, and skin-supporting cells, called fibroblasts, to multiply faster. The result of this is thickened, darkened, velvety skin patches, especially in areas sensitive to insulin and friction, such as the neck, armpits, groin. This process is compounded by inflammation, obesity, and oxidative stress, which further disrupt normal skin turnover. In short: excess insulin “talks” to your skin, and the dark patches are a warning sign that the metabolic system is under stress.
5. Is there a solution?
The good news is that addressing the root, insulin resistance, can lead to healing in the skin. The two products in the Feel Good system work in harmony with one another. Balance improves insulin sensitivity and reduces the excess insulin signal driving skin thickening. Unimate reduces inflammation and supports metabolic healing.
Additional Functional Medicine strategies
– Exfoliating creams with retinoids or salicylic acid for cosmetic support.
– Correct underlying PCOS, prediabetes, or metabolic syndrome.
– Optimize vitamin D, zinc, and antioxidants for skin and metabolic health.
Acanthosis nigricans is your skin’s early-warning system for insulin resistance. Fix the root metabolic issues—and the skin often improves naturally.
I’m Dr. Dieter, and I’m here to help you Reclaim Your Health.