(Aging Untold) — Coconut oil has been marketed as a health food that can help with weight loss, control blood sugar, lower cholesterol and reduce inflammation. But Mayo Clinic experts say coconut oil will not boost your health. A survey conducted by The New York Times and Morning Consult found that 72% of Americans believe coconut oil is healthy. However, coconut oil is 90% saturated fat, Dr. Stephen Kopecky, a preventive cardiologist at Mayo Clinic, said.