A randomized double-blind study of 42 healthy students with normal lipid parameters compared the effect of daily intake of two Columbus eggs versus two standard eggs on fasting insulin, systolic blood pressure, and CRP (inflammatory state).
After 8 weeks, a significant decrease in systolic (-6%), CRP (-14%) and fasting insulin (-28%) was observed with Columbus eggs compared with standard eggs.
Reference: Fakhrzadeh, H., et al., 2005. The effects of consumption of ω3 fatty acid-enriched eggs on insulin and CRP. Nutrition, Metabolism and Cardiovascular Diseases 15, 329–330.