Tag: 80-125 rule

The 80-125% Rule: Understanding Bioequivalence Confidence Intervals in Generic Drugs

• Cheryl Moran
• January 27, 2026
• 12 Comments

The 80-125% rule ensures generic drugs work like brand-name versions by measuring how much drug enters your bloodstream. It's not about pill strength-it's about body absorption. Here's how it works.