Why Egg White Protein is the Most Complete Vegetarian Protein Source

At Mammoth Bar, we use  egg white protein as the main source of protein in our bars because it’s the cleanest, most bioavailable, and most complete proteins available for vegetarian diets. But what exactly makes egg white protein so effective—and how does it compare to plant-based options? Let’s break it down.

What is Egg White Protein? 

Whereas egg yolk is high in fat and cholesterol, egg whites are as pure of a protein source as you can get. When separated from the yolk, they provide a lean, natural source of high-quality protein that is already familiar to the human body as food.

When to Consume Egg White Protein 

Timing can play an important role in how your body uses protein:

• Morning: Supports sustained energy and satiety.
• Pre-Workout: Fuels muscle performance with essential amino acids.
• Post-Workout: Promotes recovery and tissue repair.
• Between Meals: Acts as a clean, filling snack.

Nutritional Profile of Egg White Protein

Per 100g of raw egg whites, you’ll find:

• Calories: 52 kcal
• Protein: 10.9 g (all essential amino acids included)
• Fat: 0.2 g
• Cholesterol: 0 mg
• Carbohydrates: 0.7 g

This makes egg white protein a nutrient-dense yet calorie-efficient option.

Benefits of Egg White Protein

• Complete Protein: Contains all nine essential amino acids needed for growth and repair.
• Muscle Recovery: Supports recovery after exercise.
• Low-Calorie, Clean Source: Virtually fat-free and cholesterol-free.
• Satiety: Promotes fullness, helping manage appetite.
• Heart-Friendly: No cholesterol or saturated fats.
• Easily Digested: High digestibility compared to many plant proteins.

What Makes Egg White Protein Different?

Egg white protein stands apart because it’s both complete and highly bioavailable. Plant proteins often lack one or more essential amino acids or require combining sources to achieve balance. Egg white protein delivers it all naturally, with a neutral flavor that blends well in foods.

✔️ Complete protein with all 9 essential amino acids
✔️ No off-flavor (unlike earthy, grassy plant proteins)
✔️ Naturally fat-free & cholesterol-free
✔️ Sustained energy for adventures, workouts, and daily life

What is DIAAS and why does it matter?

The Digestible Indispensable Amino Acid Score (DIAAS) measures how efficiently the body can absorb and use protein.

• Egg White Protein: Scores above 1.0 (excellent digestibility and amino acid utilization).
• Plant Proteins: Often fall below 1.0, meaning the body absorbs less and requires higher intake to match egg whites.

This is why egg white protein consistently ranks as one of the most efficient vegetarian protein sources available.

The Takeaway

Egg white protein is clean, complete, highgly effective and highly digestible— a powerhouse source for muscle recovery, sustained energy, and overall health making it an exceptional choice for athletes, active lifestyles, and anyone seeking lean, plant-friendly nutrition.

Whether you’re starting your day, recovering from a workout, or just need a reliable snack, egg whites deliver lean nutrition without compromise. And when combined with real, organic ingredients, egg white protein becomes more than just fuel—it’s a delicious, everyday way to keep your body performing at its best.

How Mammoth Bar Delivers it

At Mammoth Bar, we chose egg white protein as the backbone of our bars because it ensures you get the most usable protein in every bite—without fillers, excess sugars, or compromise.

Each bar packs up to 12g of complete protein from egg whites, blended with real, organic ingredients you can recognize. You’ll enjoy sustained energy for adventures, workouts, and daily life—without the earthy, grassy aftertaste found in many plant-based proteins.

References

1. USDA FoodData Central. Egg, white, raw, fresh. https://fdc.nal.usda.gov/
2. Healthline. Egg White Nutrition: High in Protein, Low in Everything Else. https://www.healthline.com/nutrition/egg-white-nutrition
3. NCBI. Position of the International Society of Sports Nutrition: protein and exercise. https://pubmed.ncbi.nlm.nih.gov/23360586/
4. FAO. Dietary protein quality evaluation in human nutrition: Report of an FAO Expert Consultation (DIAAS methodology). http://www.fao.org/3/mb061e/mb061e.pdf
5. Nutrition Geeks. Egg White Protein: Nutrition and Benefits. https://nutritiongeeks.com