Ingredient glossary
Leucine
What it is
The single amino acid that acts as the "on switch" for building muscle.
What it does
When enough leucine arrives at once, it signals your body to start muscle protein synthesis.
The dose that works
~2.5–3g per sitting — the "leucine threshold" from the research.
Where it lives in the system
Post (~2.7g per scoop, naturally occurring) — every serving clears the threshold.
Good to know
This is why one full scoop beats grazing on half-scoops.
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