The Hidden Challenge of Whey Protein at Altitude

TL;DR: Whey protein can cause bloating or digestive discomfort for some people, and those effects may feel more noticeable at altitude as gases in the digestive system expand. ABC 360 uses a dairy-free blend of marine collagen peptides, fava bean protein, and brown rice protein to provide complete nutrition without whey.

For decades, whey protein has been one of the most popular ingredients in nutrition bars, protein powders, and meal replacement products. Whether sourced from conventional dairy or grass-fed cows, whey is widely recognized as a high-quality protein.

Back in the 1990s, my friends were all hyped up on whey protein powder, so naturally I went out and bought a giant tub. Every day I'd blend it up with milk, flaxseed oil, bananas, and whatever berries I had lying around.

One thing I noticed almost immediately was a huge amount of gas.

I apologize for the TMI, but my friends even had a name for it: "whey protein farts."

As funny as that sounds, it got me thinking about digestion and how different foods affect different people.

And with that, there's one environment where whey protein may not be the ideal choice: high altitude.

Trust me, extra gas isn't something you want when you're sitting in close quarters with other people for hours at a time.

What Happens to the Body at Altitude?

As altitude increases, atmospheric pressure decreases. This lower pressure causes gases within the digestive system to expand. The result can be increased bloating, discomfort, and gastrointestinal distress for some individuals.

Pilots, aircrew, mountain climbers, and others who spend time at altitude have long recognized that digestion can feel different thousands of feet above sea level.

For individuals who are sensitive to dairy—or who simply experience occasional digestive discomfort from whey protein—these effects may become more noticeable during flight operations or extended time at altitude.

Grass-Fed Whey Is Still Whey

Grass-fed whey protein offers many advantages and may be preferred by consumers seeking a more natural source of protein.

However, whether whey comes from conventionally raised cows or grass-fed cows, it remains a dairy-derived protein.

For individuals who experience bloating or digestive discomfort from dairy products, the source of the cow does not necessarily eliminate the issue.

Why We Took a Different Approach

When developing ABC 360®, we intentionally chose a protein system built around marine collagen peptides, fava bean protein, and brown rice protein.

Our goal was to create a complete meal bar that delivers meaningful nutrition while remaining easy to digest.

The result is a protein blend that contains no whey protein and no dairy ingredients.

Many of our customers tell us they're surprised by how light they feel after eating an ABC 360 bar compared with traditional protein bars.

In fact, one of the most common things I hear at demos is:

"I usually don't eat protein bars because they make me feel heavy."

As someone who felt the same way for years, I completely understand what they mean.

Potential Benefits for Aviation and Operational Environments

Aviation crews often operate in environments where meal options are limited, schedules are unpredictable, and digestive comfort matters.

While every individual responds differently, we believe the combination of dairy-free proteins, complete nutrition, and shelf stability makes ABC 360 an interesting option for aviation, military, and operational environments.

In fact, ABC 360 is currently being evaluated and discussed within military and government channels because of its unique approach to complete nutrition in a portable format.

For pilots flying long missions, every piece of gear and every item of food has a purpose. If a nutritional product can help reduce the likelihood of digestive discomfort while providing complete nutrition, that's worth paying attention to.

Nutrition Designed for Real-World Performance

At ABC 360, our goal wasn't to create another protein bar.

We set out to create a complete meal in a bar—one that delivers protein, fiber, vitamins, minerals, and functional ingredients without relying on whey protein.

Because sometimes performance isn't just about what you put into a product.

It's about what you leave out.

Tim Laros, Co-Founder and CEO of ABC 360