ChatGPT Macro Calculator: Why AI Gets Your Numbers Wrong (And What to Use Instead)

A person standing behind a large smartphone display showing a ChatGPT conversation about macro counts. The background is black with floating red question marks and warning icons. Text above reads "ChatGPT Macro Calculator: Why AI Gets Your Numbers Wrong."

By Anthony Collova  | Founder, IIFYM.com  | March 4, 2026 ChatGPT vs. Macro Calculators: What’s Actually Worth Trusting? People treat ChatGPT answers like they came from a doctor. I’ve watched clients follow AI-generated macros for weeks without questioning a single number, because it answered in full sentences and sounded confident. That confidence is the problem. […]

Intermittent Fasting And IIFYM: What New Research Says

Intermittent Fasting and IIFYM

    I’ve coached thousands of people through fat loss over the years, and one pattern I keep seeing is this: the best results come when structure meets flexibility. That’s why I started combining intermittent fasting and IIFYM and why it changed everything for me and my clients. Intermittent fasting gives you control over when […]

How to Start IIFYM Today • Calculate Your Macros

How to track macros with IIFYM

Welcome to our official quick-start, flexible dieting guide on how to start tracking macros and burning fat with IIFYM! In this guide, we take the guesswork out of IIFYM and flexible dieting, giving you a specific path to follow to start your weight loss journey today. These steps are your roadmap to success. IIFYM is […]

The Perfect Macro Ratio – You’ve been lied to

A silhouette of a woman standing in shallow ocean water at sunset, with her arms raised wide toward a bright orange sun reflecting on the water.

Macro Ratios Are Outdated—and What You Need Instead When it comes to nutrition, there’s one myth that refuses to die: the perfect Macro Ratio. You’ve probably heard it before: eat 40% carbs, 40% protein, 20% fat, or some other formula that’s marketed as the perfect Macro Ratio for your goals. Here’s the problem. These ratios […]

What is Flexible Dieting? 4 Key Steps to Start Today

A top-down view of a wooden cutting board surrounded by a variety of fresh vegetables, including cherry tomatoes, bell peppers, corn, garlic, and leafy greens on a rustic wooden table.

Introduction: Have you ever dreamed of a “diet” where you can still enjoy your favorite foods? Well, flexible dieting might just be the answer you’ve been looking for. It’s an approach that seems almost too convenient – and it satisfies taste buds too. Flexible dieting, also known as IIFYM Diet or if it fits your […]

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