When Weight Gain Starts on the Inside: Dr. Li on Visceral Fat

We often think of weight gain in visual, external ways — extra fluff around the thighs, “love handles,” or that roll at the waist. But according to Dr. William Li, one of the first places our bodies begin to store excess fat is deeper, in visceral fat, long before we see dramatic changes in the mirror.

What Is Visceral Fat — and Why It Matters

Dr. Li describes two types of white fat in the body:

• Subcutaneous fat — the fat under your skin that you can pinch, the kind that forms love handles or soft tissue under arms.
  
• Visceral fat — fat that wraps around internal organs inside the “tube” of your body; the fat you generally can’t see from the outside. (Robbins, 2025)

He emphasizes that this internal fat is more dangerous, because as it expands, it presses against organs and can release inflammatory and metabolic signals that disrupt internal systems. (Robbins, 2025)

In his words: “Harmful body fat that expands, it’s called visceral fat, and it wraps around our organs like a baseball glove.” (Robbins, 2025)

Why Visceral Fat Is Often the “First Respondent” to Overnutrition

Dr. Li argues that when we consistently take in more energy (calories) than the body can immediately burn, the excess has to go somewhere. He links fat cells to storage tanks: they can expand, he says up to ~300%, to accommodate more fuel (i.e. stored energy), and when those hit their limits, new fat storage sites are formed. (Robbins, 2025)

Visceral fat is one of the first “overflow” sites, since it lies deep in the body cavity surrounding organs. As it grows, it forces the waistline outward and begins to interfere with organ function and hormone balances. (Robbins, 2025)

In other words, the outward change (your belly extending) is really the aftereffect of deeper internal changes. That’s why Dr. Li says that the fat you see last (subcutaneous) is often the fat you see first in size change — but the fat that truly begins the disruption is visceral.

What We Can Do (According to Dr. Li) to Prevent & Reverse Visceral Fat

Dr. Li offers several practical strategies to stop, or reverse, the creep of visceral fat:

• Eat smart, not just less: Focus on foods that support metabolic health (rich in polyphenols, fiber, etc.), rather than extreme deprivation. (Robbins, 2025)
  
• Time your eating (fasting windows): Creating periods when you’re not eating helps shift the body into a fat-burning mode, giving visceral fat an opportunity to deplete. (Robbins, 2025)
  
• Move regularly: Even walking or light movement helps burn visceral fat. (Robbins, 2025)
  
• Sleep well: Poor or interrupted sleep impairs your body’s capacity to burn stored fat. (Robbins, 2025)
  
• Avoid ultra-processed foods: These tend to encourage overeating, metabolic dysfunction, and fat storage. (Robbins, 2025)
  

Final Thoughts

Dr. Li’s message reframes the “battle of the bulge” – it’s less about outer aesthetics and more about internal balance. Visceral fat isn’t always visible early, but it can quietly undermine health long before it shows on the mirror.

A DEXA scan provides the most accurate way to measure visceral fat—the harmful fat stored deep around your organs that’s linked to heart disease, diabetes, and metabolic issues. Unlike a scale or tape measure, a DEXA scan shows exactly how much visceral fat you have and where it’s located, giving you the data you need to take control of your health from the inside out.

To schedule a DEXA Scan to uncover your visceral fat percentage, click here.