Written by Dr. Jeffrey Peng, MD — Board-Certified Sports Medicine Physician Published: March 1, 2025 | Last Updated: March 1, 2025 Visceral fat is something most people have never heard of, but it may be one of the most important factors in long-term joint health. Unlike the fat you can pinch under your skin, visceral fat hides deep inside your abdomen, surrounding your organs. It does not simply sit there quietly — it actively drives systemic inflammation, fuels metabolic s