Is There Whey Protein That Doesn’t Cause Bloating & Gas?

Most whey protein powders can lead to bloating, gas, and other unpleasant side effects for people with lactose intolerance. Here’s a product that has zero sugar/lactose in it.

Milk protein shake with red berries
Milk protein shake with red berries

With its complete amino acid profile, whey protein is the most popular protein source for people trying to build muscle. However, not every body can tolerate whey protein.

Whey comes from milk, so it does contain milk sugar, aka lactose. People who have lactose intolerance or sensitivity can experience some uncomfortable side effects when consuming whey protein, such as stomach upset, bloating and gas.

Buy not all whey protein is equal. Some products have a high lactose content, while others are practically lactose-free.

Whey protein powder comes in two main processed forms: concentrate and isolate.

The concentrate can have a protein content of up to 80% by weight, while the rest consists of fat, sugar (lactose), and other nutrients.

The isolate is further processed and filtered to remove fat and sugar, and usually has a protein content of more than 90% by weight.

Most whey isolate powders on the market contain very little to no amount of sugar (lactose), making them the more suitable choice for people with lactose intolerance.

You can find plenty of brands that use high-protein, low-sugar (or even zero-sugar) isolate in their formulations. One of these is IsoFlex by ALLMAX Nutrition.

IsoFlex is made from pure whey isolate that provides 27 grams of protein per serving (30 grams). It comes in different flavors that contain either 0 or 1 gram of sugar per serving. For example, two of their best flavors (chocolate and banana) each contain 0 sugars.

This is a pricey brand but it’s a high quality protein isolate with the lowest amount of lactose possible. I haven’t seen any negative reviews of this product saying it caused gas or bloating issues, so it’s worth a shot. If this doesn’t work for you, then it’s probably time to start looking at other protein sources, like plant-based protein blends.

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