When young men consumed β-lactoglobulin, their blood leucine levels peaked higher than when they consumed regular whey protein.

Scientific Claim

In 10 young healthy males, β-lactoglobulin achieved a higher peak plasma leucine concentration (396 ± 20 μM vs. 334 ± 17 μM, p=0.0009) than whey protein isolate following ingestion.

Original Statement

“BLG notably achieved greater peak and AUC leucinaemia, with EAA, BCAA, and LEU concentrations also exhibiting a greater rise over the first 20 min post-feed. ... peak leucinaemia also being greater (396 ± 20 μM vs. 334 ± 17 μM; p = 0.0009).”

From study:The Effect of Leucine-Enriched β-Lactoglobulin Versus an Isonitrogenous Whey Protein Isolate on Skeletal Muscle Protein Anabolism in Young Healthy Males

Evidence Quality Assessment

Claim Status

appropriately stated

Study Design Support

Design supports claim

Appropriate Language Strength

definitive

Can make definitive causal claims

Assessment Explanation

The RCT design with precise measurements allows definitive statements about peak concentration differences.

Evidence from Studies

Supporting (1)

The Effect of Leucine-Enriched β-Lactoglobulin Versus an Isonitrogenous Whey Protein Isolate on Skeletal Muscle Protein Anabolism in Young Healthy Males

Randomized Controlled Trial

Human

2025 Oct 30

Contradicting (0)

No contradicting evidence found

Source Study

The Effect of Leucine-Enriched β-Lactoglobulin Versus an Isonitrogenous Whey Protein Isolate on Skeletal Muscle Protein Anabolism in Young Healthy Males

Score: 58

DOI: 10.3390/nu17213410

Similar Assertions

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