Does protein powder make you gassy? 

Written by Jack Schrupp and reviewed by Ella McGonagle, M.S. Nutrition

Does protein powder make you gassy? If so, switch to drink wholesome. It is additive-free, dairy-free, and made with real foods, not protein isolates – 99% of supplements fail to meet at least one of these criteria. This makes it perfect for people with gut issues and sensitive stomachs, as well as for people just looking to boost their protein intake without the processing and added junk. Order samples to see if our protein powder is right for you. 

“If you have a sensitive gut, you need simple ingredients.”

-Brittany Carpenter, MS, RDN/LDN

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Our protein powder will not make you gassy.

Protein powder makes me gassy.

Why does protein powder make you gassy? 

How to prevent gas from protein powder.

Why drink wholesome?

Protein powder makes me gassy.


If you experience protein powder gas, you are not alone. The average protein powder can make you burp, fart, and bloat. If you are sick of side effects like these, you have come to the right place. In this article, I will explain why protein supplements cause gas, and cover the top ingredients to avoid. Protein shakes make me gassy too, so I feel your pain. 

Why does protein powder make you gassy? 


There are many reasons why protein powder makes you gassy, but in all cases, gas is produced by bacteria in the gut. The gut, also known as the gastrointestinal tract or digestive system, is a pathway from your mouth to your colon. It is full of bacteria (probiotics) that help you digest food. Essentially, these bacteria eat the food that you cannot digest, and produce gas in a process known as fermentation. Fermentation in the gut is similar to the process of turning grapes into champagne. In both cases, bacteria break down carbohydrates and release gas. In the case of gut, however, smelly farts, not delicious bubbles, are the byproduct. 

The average person passes gas several times a day, so burping or farting from time to time is perfectly normal. Excessive gas or painful bloating, however, may be a sign that your protein supplement is hard to digest. If you feel bloated or gassy every time you drink a protein shake, it is time to read the ingredient list. Most protein supplements contain one or more ingredients that are hard to digest, and therefore feed your hungry gut bacteria longer than they should. Again, the more hard to digest food your gut bacteria have to eat, the more gas they will produce. This rule applies to everyone, but is especially relevant to people with gut issues (IBS, SIBO, etc.) and sensitive stomachs. 

How to prevent gas from protein powder.


There are two types of protein supplements: ready-to-drink (store-bought) protein shakes, and protein shakes made with protein powder. In order to make a protein shake with protein powder, you have to mix the powder with milk or water. This requires a blender or a shaker bottle, and a little extra time and effort. Some people therefore prefer to buy ready-to-drink protein shakes, but if they knew what they were drinking, they would probably vomit. 

Ready-to-drink protein shakes are full of emulsifiers, stabilizers, and thickeners, sweeteners, and flavors. Ingredients like these improve characteristics like taste, texture, and shelf stability, but can cause uncomfortable side effects like gas. This is why I recommend that you make your own protein shakes with protein powder. That said, not all protein powders are created equal, and many contain the same additives found in ready-to-drink protein shakes! 

Why drink wholesome


drink wholesome is additive-free.

One of the reasons why our protein powder will not make you gassy is that we do not use food additives. Most protein powders, on the other hand, are full of food additives. Although not necessarily bad for you in small quantities, additives can add up quickly (especially if you drink a protein shake every day) and cause gastrointestinal (GI) side effects like bloating, constipation, diarrhea, gas, and stomach pain. This is because food additives are hard to digest, and sit in your gut for longer than food should, which gives your gut bacteria more time to eat. As they eat, these bacteria produce gas, which causes bloating and stomach pain. Gas also slows colonic transit (the amount of time it takes food to travel through the colon), and can lead to constipation. 

vegan vanilla protein powder serving suggestion
vanilla protein powder lifestyle image 1

Here is a list of the most common food additives in protein powder:

acacia gum, acesulfame potassium, artificial flavors, aspartame, carrageenan, cellulose gum, dextrin, dextrose, erythritol, gellan gum, guar gum, gum arabic, inulin, locust bean gum, “natural” flavors, maltodextrin, rice syrup solids, soy lecithin, silica, sucralose, sunflower lecithin, xanthan gum, xylitol

When it comes to identifying food additives, go with your gut. 😉 As a rule of thumb, they are the ingredients that you cannot pronounce. Food additives are not the only thing to look out for when buying protein powder, however. There are several other ingredients that can upset your stomach.

the alternative:

Protein Matrix Comprised of (Whey Protein Concentrate,  Whey Protein Isolate, Calcium Caseinate, Micellar Casein, Milk Protein Isolate, Egg Albumen, Glutamine Peptides), Polydextrose, Sunflower Creamer (Sunflower Oil, Corn Syrup Solids,  Sodium Caseinate, Mono- and Diglycerides, Dipotassium Phosphate, Tricalcium Phosphate, Soy Lecithin, Tocopherols), Natural and Artificial Flavor, MCT Powder (Medium Chain Triglycerides, Nonfat Dry Milk, Disodium Phosphate, Silicon Dioxide), Lecithin, Cellulose Gum, Salt, Yellow 5, Sucralose, Acesulfame Potassium, Papain, Bromelain.

*This is the actual ingredient list of one of the best-selling protein powders in the United States.

drink wholesome is dairy-free.

Another reason why our protein powder will not make you gassy is that we do not use dairy-based proteins. Many protein powders are made with whey and casein, which are byproducts of cheese and yogurt production, and known to cause digestive issues, especially for people with lactose intolerance and irritable bowel syndrome (IBS). Over one in three Americans are lactose intolerant, and the prevalence of IBS is somewhere between 10 and 15 percent in the United States. It follows that you may be lactose intolerant or have IBS and not even know it. Irritable bowel syndrome (IBS) is a poorly understood condition, and it is unclear why dairy triggers symptoms. Lactose intolerance, on the other hand, is clearly understood. People with lactose intolerance are unable to fully digest lactose, the sugar in dairy. As you just learned, partially digested food feeds the bacteria in your gut, which produce gas. 

drink wholesome is made with real foods.

A final reason why our protein powder will not make you gassy is that we do not use protein isolates. Most protein powders, on the contrary, are made with protein concentrates and/or isolates, foods stripped of everything but the protein. They are listed on the ingredient list as “pea protein” and “whey protein” as opposed to “peas” and “whey.” I will not go into the details, but protein concentrates and isolates undergo heavy mechanical and chemical processing before becoming protein powder. Sometimes, manufacturers use chemical solvents like hexane to isolate (separate) the protein from the food. This means that what you end up putting into your body looks nothing like real food. If you think about it, your gut was designed to digest naturally occurring foods, not laboratory formulated imitations, so if you feed it anything but real food, it might get upset. The long term implications of eating processed foods are still not well understood, but more and more research is finding that it can alter the composition of your gut microbiota, and lead permanent damage to the gut microbiome. It is therefore in your best interest to avoid protein powders made with protein concentrates and isolates. 

vegan chocolate protein powder lifestyle image 1
chocolate protein powder serving suggestion

Instead of protein concentrates or isolates, we make protein powder with egg whites and almonds. Egg whites are simply pasteurized and dried before becoming protein powder. Almonds are just roasted, pressed, and ground. Minimally-processed ingredients like these are an easy to digest, gut-friendly alternative to protein concentrates and isolates. Unless you have a sensitivity or allergy to eggs, egg white protein is the best protein for your gut. Egg whites are low in fiber, low-FODMAP, naturally alkaline, and have the highest protein digestibility-corrected amino acid score (PDCAAS) of any whole food. Our customers have experienced fewer digestive issues with egg white protein than with any other type of protein. If you cannot eat eggs, try our almond protein powder. Unlike protein concentrates or isolates, almonds contain lots of healthy fats, fiber, and other nutrients like calcium and vitamin E. We prefer almonds to other minimally-processed plant protein sources because they are more gut-friendly. Research suggests that almonds possess prebiotic properties and can improve the diversity and composition of the gut microbiome.

★★★★★

easy to digest

“I’ve had Crohn’s disease for 20+ years and it’s always been hard to find a protein powder my stomach can handle. I’ve had no problem digesting drink wholesome AND it tastes great. I highly recommend this protein powder if you have IBS or Crohn’s.” – Jesse

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Our protein powder will not make you gassy.

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This content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. drink wholesome is not intended to diagnose, treat, cure or prevent any disease.