Fresh yeast calories
1 packet · 42 g: about 40–50 kcal. 105 kcal per 100 g: 8.4 g protein, 18.1 g carbohydrate, 1.9 g fat.

In portions
| Portion | Amount | Calories |
|---|---|---|
| 1 packet | 42 g | 40–50 kcal |
Nutrition facts (100 g)
| Energy | 105 kcal |
|---|---|
| Protein | 8.4 g |
| Carbohydrate | 18.1 g |
| Sugar | 0 g |
| Fiber | 8.1 g |
| Fat | 1.9 g |
| Saturated fat | 0.2 g |
| Sodium | 30 mg |
Where the calories come from: protein 27% · carbohydrate 59% · fat 14%.
Source: USDA FoodData Central record 175042. The same food can vary by ±10% with its variety, recipe and brand.
Frequently asked questions
Fresh yeast: how many grams and calories in 1 packet?
1 packet is about 42 g on average and has about 40–50 kcal.
Fresh yeast: how many calories in 100 grams?
Per 100 g there are 105 kcal, 8.4 g of protein, 18.1 g of carbohydrate and 1.9 g of fat.
Fresh yeast: how much protein does it have?
Per 100 g there are 8.4 g of protein; 1 packet (42 g) has about 4 g of protein. About 27% of its calories come from protein.
Fresh yeast: does it make you gain weight?
No single food makes you gain weight on its own; your weight depends on the day’s total calories. 1 packet (42 g) has about 44 kcal: about 2% of a 2,000 kcal day (the reference on nutrition labels). Its energy density is low (1.1 kcal per gram): you can eat more of it for the same calories. More than half of its calories come from carbohydrate.
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Similar foods
Among grains, it is one of the lightest: 105 kcal per 100 g (average 343 kcal).
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