What is the PDCAAS Score for MuscleBlaze Protein?
The Protein Digestibility Corrected Amino Acid Score (PDCAAS) is a widely used method for evaluating protein quality based on both the amino acid requirements of humans and their ability to digest it. The maximum possible score on this scale is 1.0, a value achieved by high-quality, complete protein sources like milk proteins (whey and casein), eggs, and soy.
Given that many MuscleBlaze supplements use whey protein isolate and whey protein concentrate as primary ingredients, these products have a PDCAAS score of 1.0. MuscleBlaze highlights that its Biozyme range achieves the top PDCAAS score. This indicates that MuscleBlaze products containing high-grade whey provide the highest protein quality according to the PDCAAS metric.
The Science Behind Protein Quality Scores
To understand the value of your supplement, it's helpful to know how these scores are calculated and why there is a newer standard. The PDCAAS method compares a protein's amino acid profile to a reference pattern based on the needs of young children. It then corrects this score for digestibility.
However, in 2013, the Food and Agricultural Organization (FAO) introduced the Digestible Indispensable Amino Acid Score (DIAAS). DIAAS is now considered a more accurate measure for several reasons:
- Ileal vs. Fecal Digestibility: DIAAS measures digestibility at the end of the small intestine (ileum), providing a more accurate value for amino acid absorption. PDCAAS uses fecal samples, which can overestimate protein quality.
- Non-Truncated Scoring: DIAAS scores can exceed 100%, allowing for better differentiation between the highest-quality protein sources, unlike PDCAAS which is capped at 1.0. For example, whey protein isolate has a DIAAS score of 1.09, while soy protein isolate has a DIAAS of 0.90.
Comparison Table: PDCAAS vs. DIAAS
| Feature | PDCAAS | DIAAS |
|---|---|---|
| Measurement Standard | Compares amino acid profile to reference based on 2-5 year old children. | Compares digestible amino acid ratio to age-specific requirements. |
| Measurement Location | Relies on fecal digestibility, which can be less accurate. | Uses ileal digestibility, which is a more accurate measure of absorption. |
| Scoring Range | Truncated at a maximum score of 1.0, failing to distinguish higher quality proteins. | Non-truncated, allowing scores over 100% for greater precision. |
| Recommended by | Adopted by WHO/FDA in 1993, now being phased out. | Recommended by FAO since 2013 as the preferred method. |
How MuscleBlaze Optimizes Absorption Beyond PDCAAS
While PDCAAS indicates protein completeness, MuscleBlaze enhances its Biozyme line with a proprietary Enhanced Absorption Formula (EAF®), also known as MB EnzymePro®, to improve protein absorption. Clinical tests in India showed improved protein and BCAA absorption with this formula. Many products also include a multi-enzyme blend like DigeZyme to aid digestion and reduce bloating. This focus on bioavailability complements the high raw score. For more on optimal protein intake, the National Center for Complementary and Integrative Health offers resources on supplements and performance enhancement.
What to Consider When Choosing a Protein Supplement
A high PDCAAS score is a good start, but other factors are key. Consider:
- Type of Protein: Whey concentrate is common and affordable with some lactose and fat. Isolate is more processed, higher in protein, and lower in lactose, suitable for mild intolerance. Hydrolysate is pre-digested for fast absorption but is more expensive.
- Ingredient Transparency: Choose brands that list ingredients clearly. MuscleBlaze often lists specific ingredients and uses third-party testing.
- Third-Party Certifications: Look for certifications like Informed-Sport to ensure testing for banned substances.
- Digestive Comfort: If needed, choose products with digestive enzymes or a whey isolate.
- Fitness Goals: Match the protein to your goals. Whey is good for post-workout, while a blend with casein can provide sustained release.
Conclusion
MuscleBlaze whey products generally have a PDCAAS score of 1.0 due to their high-quality whey protein content. While PDCAAS is a good indicator, DIAAS is the newer, more precise standard for measuring protein quality. MuscleBlaze also addresses absorption with technologies like EAF® in its Biozyme range, enhancing the practical benefits for consumers. Choosing the right supplement involves considering protein type, transparency, certifications, digestive comfort, and personal fitness goals beyond just a single score.
