GLP-1 Macros: How to Set Protein, Carbs & Fat on Semaglutide (2026)

GLP-1 macros guide showing how to balance protein, carbs and fat on semaglutide and tirzepatide for fat loss and muscle retention

Nutrition · GLP-1s · Macro Tracking GLP-1 Macros: How to Set Protein, Carbs & Fat on Semaglutide (2026) Lower hunger doesn’t remove the need for nutrition structure. If you’re losing weight on a GLP-1, your job isn’t just to eat less. Your job is to eat in a way that protects your body while the […]

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. […]

The Perfect Macro Ratio – You’ve been lied to

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Macro Ratios Are Outdated—and What You Need Instead When it comes to nutrition, there’s one myth that refuses to die: the perfect Macro Ratio.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 […]

The Gut-Brain Axis

A medical illustration graphic showing a pink silhouette of a human head with a detailed brain and stomach inside. To the right, various healthy whole foods like avocado, spinach, and fruit are floating towards and out of the brain. The text "The Gut-Brain Axis" is on the left against a clean white background.

Gut feeling, gut instinct, go with your gut… We’ve all heard these sayings, but where and why did they originate? The gut-brain axis is the connection between your gut and your brain, which can be seen as a communication network between the two. “The gut-brain axis (GBA) consists of bidirectional communication between the central and […]

A Focus On Gluten

Two slices of whole-grain bread and stalks of wheat resting on a dark slate plate. A text overlay on the right reads "A Focus On Gluten" against a warm brown and gold background.

  Dining Out, If It Fits Your Macros Style You’ve just been invited out to dinner with your friends on a Friday night and immediately feel some excitement at the thought. Soon after, however, anxiety sets in. What about your macros? You do after all have fat loss goals!The great part about IIFYM and the […]

The #1 Way to Improve Your Gut Health

A close-up of a person's hand juicing a blood orange using a manual black and glass juicer on a white marble surface. Red juice is dripping into the glass container. Text on the left reads "The #1 Way to Improve Your Gut Health."

  Stop consuming foods and drinks that weren’t designed to be eaten. Firstly, the ingredients on the back of a food label should be the ingredients that you intend on eating. For example, if a snack bar contains oats, dates, cocoa, etc. all of these you would be happy to eat. When the list starts […]

Simplifying Probiotics & Prebiotics

A colorful assortment of fresh organic vegetables on a light wooden cutting board. Includes red tomatoes on the vine, a whole purple cabbage, green zucchini, green peppers, and a purple turnip. The vegetables show natural texture and water droplets.

When it comes to your health, both pre and probiotics have been under the spotlight. Though they’ve similar-sounding names, they play different, important roles in your health. Probiotics are good gut bacteria, and prebiotics are fibre that feed these good bacteria. You need the best probiotics and natural probiotics for a balanced gut. Prebiotics feed […]

What’s The Best Protein For You? – Part 1

A four-part grid image featuring high-protein food sources on a white background. It includes two glasses of milk, a plate with raw red meat and black beans, and a small wooden board with four eggs (one white, three brown).

The best source of protein really does depend on what you want to get out of it! Different options can work best for different people with different focuses. 🧪 Bioavailability This is the extent to which we utilize the amino acids consumed in our meals for functional uses. Whey protein, eggs and fish have the […]

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