Nutritional yeast: amino acid profile
powder · Composite estimate from published S. cerevisiae yeast-protein analyses
How much protein and leucine does it contain?
Per 100 g, Nutritional yeast provides 50.0 g protein and 3.45 g leucine. Use the listed preparation when comparing portions.
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The first column of amounts is per 100 g of food; the second compares the composition of the protein itself.
| Amino acid | g / 100 g | g / 100 g protein |
|---|---|---|
| Leucine Essential (BCAA) | 3.45 | 6.9 |
| Isoleucine Essential (BCAA) | 2.13 | 4.3 |
| Valine Essential (BCAA) | 2.68 | 5.4 |
| Lysine Essential | 3.50 | 7.0 |
| Threonine Essential | 2.50 | 5.0 |
| Phenylalanine Essential | 1.88 | 3.8 |
| Methionine Essential | 0.73 | 1.5 |
| Histidine Essential | 1.10 | 2.2 |
| Tryptophan Essential | 0.55 | 1.1 |
| Glutamic acid Non-essential | 6.45 | 12.9 |
| Aspartic acid Non-essential | 4.75 | 9.5 |
| Proline Non-essential | 1.90 | 3.8 |
| Alanine Non-essential | 3.40 | 6.8 |
| Serine Non-essential | 2.50 | 5.0 |
| Tyrosine Non-essential | 1.80 | 3.6 |
| Arginine Non-essential | 2.40 | 4.8 |
| Cysteine Non-essential | 0.50 | 1.0 |
| Glycine Non-essential | 2.15 | 4.3 |
What do these numbers mean? Read the guide →
By Logan King and Dr Paul T Morgan, Senior Lecturer in Human Nutrition and Metabolism, Manchester Metropolitan University.
Amino acid score compares this food's scarcest essential amino acid with the WHO/FAO/UNU 2007 adult pattern; 100%+ means every essential amino acid is carried in good proportion. Data: Composite estimate from published S. cerevisiae yeast-protein analyses. Educational reference, not medical advice.