Bone Broth vs. Whey and Plant-Based Protein: Returning to the Original Protein

Walk down the beverage aisle today and you’ll see dozens of protein drinks—whey shakes, plant-based powders, and engineered blends promising more grams of protein than the next.

But long before protein powders, isolates, and lab-engineered formulations existed, humans relied on something far simpler: bone broth.

In fact, bone broth may be the original protein drink—a nutrient-dense staple that has fueled humans for thousands of years.

At marrō, we’re bringing that original nutrition into the modern world.

The Problem with Modern Protein Drinks

Most protein beverages today rely on highly processed protein isolates.

Whey protein is typically extracted from dairy through filtration and drying processes, then blended with sweeteners, stabilizers, and additives to make it drinkable.

Plant-based proteins—often derived from peas, soy, rice, or hemp—require even more processing. Raw plant materials must be chemically or mechanically separated to isolate the protein, which is then refined into powders and mixed with flavor systems to mask the taste.

The result can be drinks that deliver protein, but often come with:

• Long ingredient lists
  

• Artificial flavors or stabilizers
  

• Digestive discomfort for some people
  

• Protein that exists largely in isolation from other nutrients
  
  

In other words, they provide protein alone, but not much else.

Bone Broth: More Than Just Protein

Bone broth is fundamentally different.

When bones are slowly simmered, they release a range of nutrients that have supported human health for generations.

In addition to protein, bone broth naturally contains:

Collagen
Supports skin, joints, and connective tissue.

Amino acids like glycine and proline
Important for recovery, sleep quality, and metabolic health.

Electrolytes
Including sodium, potassium, and magnesium, all key for hydration and performance.

Trace minerals
Released from the bones during the cooking process.

Rather than isolating protein from its natural context, bone broth delivers a complete nutritional ecosystem that works together inside the body.

This is why bone broth has long been associated with recovery, resilience, and overall wellness.

Ancient Nutrition Meets Modern Life

Despite its benefits, traditional bone broth has one big limitation: it hasn’t fit easily into modern life.

Historically, it’s been served hot, savory, and meal-like… more soup than beverage.

That’s where marrō comes in.

We asked a simple question:

What if the benefits of bone broth could be enjoyed like a refreshing everyday drink?

The result is marrō: the first sparkling, fruit-forward bone broth beverage designed to be enjoyed cold.

Each can delivers:

• 12g clean protein
  

• naturally occurring collagen and amino acids
  

• electrolytes for hydration
  

• just 60 to 70 calories and zero sugar
  
  

All in a crisp, lightly carbonated drink that tastes closer to a fruit seltzer than soup.

The Future of Protein Might Be the Past

While the modern nutrition industry continues to develop new protein powders and engineered drinks, we believe the answer may have been here all along.

Bone broth is one of humanity’s oldest functional foods: simple, natural, and deeply nourishing.

At marrō, we’re simply making that ancient nutrition in a format that works for today. 

Because sometimes the most innovative idea is rediscovering something that’s been fueling humans for thousands of years.