Whey protein is ubiquitous. Open any supplement store, any protein bar, any shake — it's everywhere. But more and more people are asking: "What if I don't want whey? What's the alternative?"
The reasons are legitimate. Lactose intolerance, preference for plant-based sources, animal ethics, or simply being tired of "whey shakes" — there are various justifications. The good news? There are real alternatives, with nutritional profiles as good as (or better than) whey.
In this article, we will explore the main alternatives to whey, their protein quality (measured by PDCAAS and DIAAS), and how protein choices can really affect your muscle mass gains.
Why has whey dominated the market?
Historically, whey protein has become synonymous with "quality protein" because:
- It is a complete protein with all essential amino acids
- It is cheap to produce (a byproduct of cheese making)
- It has an excellent absorption rate and bioavailability
- It is backed by a lot of scientific research
This is neither good nor bad — it's just the market. But the reality is that whey is not the only complete protein, and for many people, it's not even the best option.
Whey alternatives: Protein quality comparison
To compare the quality of different proteins, the industry uses two systems:
- PDCAAS (Protein Digestibility Corrected Amino Acid Score): 0-1 scale, where 1 = perfect protein
- DIAAS (Digestible Indispensable Amino Acid Score): a newer and more accurate version of PDCAAS
Egg protein
PDCAAS: 1.0 (perfect) | DIAAS: 1.0 (perfect)
Egg white is considered the reference protein — this is what other proteins are compared to. CORIAL Protein Pancakes use egg protein combined with wheat flour, resulting in 38-39g of protein per 100g with an exceptional amino acid profile.
Why it's excellent:
- Contains ALL essential amino acids in ideal proportions for muscle protein synthesis
- Lactose-free, suitable for intolerant people
- Less processed than many whey isolates
- Has been consumed for thousands of years — it's familiar
Disadvantage: egg allergies (rare, but it exists)
Plant protein (pea protein, rice, pumpkin)
PDCAAS (pea protein): 0.92 | DIAAS (pea protein): 0.76
Isolated plant proteins are improving significantly. Pea protein, in particular, has a very complete amino acid profile — superior to soy isolate.
Why consider it:
- Completely vegan and sustainable
- Free from common allergens (dairy-free, egg-free, nut-free in many cases)
- A DIAAS of 0.76 is still respectable — lower than whey/egg, but not significantly
Disadvantage: Flavor profile can be more "earthy" than whey; some people find digestion difficult; protein with a slightly lower DIAAS means you need a little more for the same effect.
Which is better for muscle mass gains?
Here's the most important answer: the difference between a protein with DIAAS 1.0 and one with DIAAS 0.90 is negligible in practice, especially if you consume enough.
A meta-analysis published in the British Journal of Sports Medicine (2023) analyzed 49 studies comparing different protein sources for muscle protein synthesis. The conclusion: what matters is the total amount of protein consumed (≥1.6g per kg of body weight), timing (distributed throughout the day), and consistency — not so much the specific source[2].
In other words: if you consume egg protein consistently, in adequate amounts, the gains will be equivalent to those from whey.
3 practical reasons to choose whey alternatives
1. Lactose intolerance
Whey protein isolate has less lactose than whey protein concentrate, but some people are still intolerant. Egg or plant protein completely eliminates this problem.
2. Preference for whole foods
CORIAL Protein Porridge combines oats, egg protein, wheat protein, and wheat flour — it's closer to "real food" than a 100% whey isolate.
3. Variety and flavor
Different protein sources bring different flavor profiles and textures. Varying between egg and plant protein throughout the week offers nutritional diversity.
Protein is protein — but not all protein is created equal
The industry has invested heavily in branding whey as "the protein" — but science is clear: there are multiple sources with equivalent or superior nutritional quality.
Protein contributes to the maintenance of muscle mass and to the growth of muscle mass (claims approved by EFSA). Whether it comes from eggs or plants — what matters is consuming it in sufficient quantity and with consistency.
Choose the one that best suits your lifestyle, your digestion, your ethical preferences. The "best" protein is the one you will actually consume, day after day.
If you want to start exploring alternatives, Protein Pancakes (egg and wheat protein) are a good starting point. No whey, no extreme isolates — just clear ingredients and quality protein.
References
- Stull, V.J. et al. (2023). "Effects of Insect Consumption on Human Health: A Systematic Review of Human Studies." Foods, 12(7), 1415. mdpi.com
- Morton, R.W. et al. (2023). "A systematic review, meta-analysis and meta-regression of the effect of protein supplementation on resistance training-induced gains in muscle mass and strength in healthy adults." British Journal of Sports Medicine, 52(6), 376-384. bmj.com
- Patel, S. et al. (2024). "Unlocking the Potential of Insect-Based Proteins: Sustainable Solutions for Global Food Security and Nutrition." Foods, 13(12), 1846. PMC11203160
- FAO (2021). "Dietary Protein Scores Applying the PDCAAS and DIAAS Methods." fao.org