WellByNumbers.

Nutritional yeast vs Parmesan (hard)

Nutritional yeast counts toward 30 plants a week; Parmesan (hard) doesn't.

Nutritional yeastParmesan (hard)
Protein · per 100 g40.4 g35.8 g
Carbs · per 100 g41.2 g3.2 g
Fat · per 100 g7.6 g25.0 g
Fiber · per 100 g26.9 g0.0 g
Energy · per 100 g325 kcal392.0 kcal
Protein · per 100 kcal12.4 g9.1 g
To hit 30 g protein74 g · 241 kcal84 g · 329 kcal

The same three numbers, drawn

Protein / 100 g40.435.8Fiber / 100 g26.90.0Protein / 100 kcal12.49.1Nutritional yeastParmesan

What 30 g of protein looks like on a plate

74 gNutritional yeast241 kcal rides along84 gParmesan329 kcal rides alongsquare area drawn to scale · grams needed for 30 g protein

Where the calories come from

protein 41%carbs 42%fat 17%
protein 38%3%fat 59%

The one-line verdict: Nutritional yeast delivers 1.4× the protein per calorie of Parmesan (hard) (12.4 g vs 9.1 g per 100 kcal).

More protein / 100 g: Nutritional yeastMore fiber / 100 g: Nutritional yeastLighter per 100 g: Nutritional yeastSmaller 30 g portion: Nutritional yeast

Swap in your own pair

Bold marks the better side of each row. "Per 100 kcal" answers the density question — which food delivers more protein for the energy it costs. Portion row is computed live from the same USDA base values shown on each food page.