What is IIFYM (If It Fits Your Macros)?

What is IIFYM? An Introduction to If It Fits Your Macros IIFYM is a diet plan that stands for If It Fits Your Macros. It helps users lose weight by tracking macronutrients (protein, fat, and carbohydrates) without restricting food choices. Macros are the only place calories come from so by hitting macros, users inherently hit weight loss […]

What is Total Daily Energy Expenditure Calculator (TDEE)?

What is TDEE? TDEE is an acronym for Total Daily Energy Expenditure. It represents an estimated total of the calories your body burns for energy each day. TDEE is an essential factor if you are trying to lose weight or gain weight because the two are basically about the deficit between your calorie intake and […]

You Can Eat It… If It Fits Your Macros

First, a quick history of If It Fits Your Macros. For those of you who don’t know already (which is more people than you may think, so you’re not alone if you don’t!) IIFYM is an acronym for “If It Fits Your Macros”. Back in the day, bodybuilders used to eat canned tuna, egg whites, […]

Does Every Flexible Diet Plan Have A Moderate to High Carbohydrate Intake?

We get pigeon-holed as carb-zealots that denote other ways of eating. When it’s the correct scenario we prefer to provide our clients and readers with moderate carbs in their diet plan. This doesn’t mean that we are averse to eating a little more fat or protein in lieu of carbs. We understand that preference and […]

How Much Protein Do I Need To Retain Muscle While In a Calorie Deficit?

This is one of the most loaded questions in regards to flexible dieting. It feels as though new research comes out constantly pertaining to this. Yet, we had an article written which outlines how much protein is enough while in a calorie deficit. We base it on lean body mass rather than body weight which is […]

The Top 10 IIFYM.com Posts

These are our top posts from the absolute beginning. This isn’t about our personal favorites, this is about the posts our audience appreciated the most. The ones that were the most insightful and useful to everyone who follows and continues to support us. On that note, we are beyond grateful to all of our readers, […]

What is the best way to start IIFYM after a low carb diet?

Switching from a low carb diet or keto to flexible dieting can be a bit tricky. Not due to IIFYM mind you, but due to the fact that when eating such a low carb diet, your body has been trained to perform a certain way. Once you start adding carbs back into your diet, your […]

Should I subtract fiber from carbs?

When it comes to IIFYM and fiber, there is no additional math. With IIFYM and weight loss, we base everything off of the gross amount of carbohydrates, not net carbs. Losing weight is all about the gross amount of food we eat, which is why there’s no reason to subtract fiber from carbs. So, when […]

What do I do if I hit my macros but have left over calories?

I founded IIFYM.com in 2011 specifically to show people a new way of weight loss. Not just a weight loss diet but a fat burning program that is centered around rapid fat loss while eating the foods you love. First with the introduction of our macronutrient calculator and then a few years later when we […]

Why does the Flexible Dieting macro calculator tell me to eat so many calories?

The numbers that the IIFYM macro calculator spits out are based on the numbers you input for your body and energy levels. Most people think these numbers are high for one of two reasons: 1. They really have no idea of how many calories they consume daily because they have never accurately tracked their calories or […]