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10/26/2020

Can Too Much Protein Powder Make You Fat?

People take protein powder for lots of different reasons. Generally, though, the main idea is to develop a lean physique with plenty of powerful muscle and as little fat as possible.

 

But, sometimes concerns arise when people look at the nutrition information on the tub of their favorite protein powder. After all, there is a pretty significant amount of calories packed into even the highest-quality protein supplements.

 

So, is it possible for protein powder to work against your weight loss efforts? Can you get fat from too much protein powder?

 

Macronutrients 101

 

To fully answer this question, it's important that we first explain the basic nutritional principles at work here. Although your body requires lots of different vitamins, minerals and other substances, there are not used for fuel and are only needed in small quantities.

 

Illustration showing the different nutrition groups - carbohydrates, protein, and fat - and foods high in those macronutrients

 

Carbohydrates, fats and proteins, though, are the major players. Called macronutrients, these are the nutrients that your body relies on most heavily for fuel, energy and raw building materials. But each class of macronutrient is used a little differently.

 

Generally speaking, carbohydrates and fats are your main sources of energy.

 

Carbs, though, can be broken down and metabolized faster so they tend to be used most often – especially during burst of short, intense activity. Because fats contain about double the amount of calories but are a little more challenging to use, they're generally stored and used as a back-up.

 

Protein, however, is structurally much more complicated. In fact, about 30 percent of the calories contained in each gram of protein are used up just in processing that same chunk of protein.

 

Scoop of protein powder next to a protein shake and some weights

 

Using protein for fuel, then, just isn't a smart investment. Plus, proteins are made up of amino acids, commonly called the “building blocks of life.” Those amino acids are needed for building and repairing every tissue in your body.

 

They're also used to create several important hormones. So, if those amino acids were burned for fuel, other biological functions could suffer.

 

Do Protein Supplements Link To Obesity?

 

In truth, the answer is both yes and no. Before you completely ditch protein supplements, read on to understand why you shouldn't.

 

Yes - Any Food Or Supplement Can Cause Weight Gain

 

In theory, any food or supplement that provides you with excess calories can lead to weight gain. Any calories that are not immediately needed for energy or other uses could be stored away as body fat.


If the rest of your diet isn’t in check or otherwise doesn’t allow for protein supplements, you could be getting more calories than you actually need. This could increase your risk of obesity, as is the same with any other food.

 

No - Your Body Doesn't Waste Protein

 

Here’s the thing; your body doesn’t really like to waste protein like that. When you take in proteins, your body breaks them down into their individual amino acids to be reorganized and repurposed as needed.

These amino acids can be used for many reasons, such as repairing muscle fiber, creating cells, or to build body tissues. To use this vital resource for fuel or store it away as fat, then, would be extremely wasteful.

Plus, numerous studies have found that regular use of protein supplements – specifically whey protein – can be an extremely useful weight loss tool

 

The Big Question

 

So, will chugging protein powder make you fat? It's possible. After all, any excess calories could be stored as body fat – regardless of which macronutrient it was when it entered your body.

 

Protein, however, is your body's last choice for fuel. It has much more important things to do. In order for protein powder to add any noticeable fat to your frame, then, you would need to consume much more than you actually need.