Optifast

Packaged product Autres aliments Nestle

Optifast contains 372 kcal per 100 g. A serving, 1 bar, 43 g (43 g) provides about 160 kcal.

Roughly 40 % of its calories come from carbohydrates, with 38 % from protein and 21 % from fat (estimated with general energy factors).

That is more energy than the typical item in autres aliments on FoodFactly, where the median is 264 kcal per 100 g across 358 700 products.

100 g provides 70 % of the Daily Value for Vitamine C, 59 % of the Daily Value for sélénium and 47 % of the Daily Value for Vitamine B12.

The values are as declared on the product label and entered by Open Food Facts contributors.

Optifast by Nestle, product photo
Photo: Open Food Facts, CC BY-SA 3.0, Open Food Facts contributors
372kcal per 100 g
37,2 gprotein
39,5 gcarbohydrates
9,3 gfat
160kcal in serving, 1 bar, 43 g (43 g)

Nutrition facts

Nutrition facts for the selected amount
NutrientAmount per 100 g% DV
Calories L 372 kcal
Total fat L 9,3 g 12 %
Saturated fat L 4,7 g 23 %
Trans fat L 0 g
Cholesterol L 11,6 mg 4 %
Sodium L 442 mg 19 %
Total carbohydrates L 39,5 g 14 %
Dietary fiber L 7 g 25 %
Total sugars L 11,6 g
Added sugars L 9,3 g 19 %
Protein L 37,2 g 74 %
Vitamine A L 419 µg47 %
Vitamine C L 62,8 mg70 %
Vitamine D L 9,3 µg47 %
Vitamine E L 7 mg47 %
Vitamine K L 55,8 µg47 %
Thiamine (B1) L 0,56 mg47 %
Riboflavine (B2) L 0,61 mg47 %
Acide pantothénique (B5) L 2,3 mg47 %
Vitamine B6 L 0,79 mg47 %
Folate (B9) L 186 µg47 %
Vitamine B12 L 1,1 µg47 %
Calcium L 605 mg47 %
Fer L 8,4 mg46 %
Magnésium L 195 mg46 %
Phosphore L 581 mg46 %
Potassium L 814 mg17 %
Zinc L 5,1 mg47 %
Cuivre L 0,42 mg47 %
Manganèse L 1,1 mg47 %
Sélénium L 32,6 µg59 %

% DV: percent of the FDA Daily Value for adults (reference amounts). Letters show how each value was obtained: M measured, C calculated, L label, Z assumed zero, I imputed. Vitamins and minerals not listed were not reported by the source.

Nutritional breakdown

Protein: 38 %Carbohydrates: 40 %Fat: 21 %372kcal / 100 g
  • Protein 38 %
  • Carbohydrates 40 %
  • Fat 21 %

Approximate share of calories, using general energy factors (4 kcal/g protein and carbohydrate, 9 kcal/g fat, 7 kcal/g alcohol).

Vitamins and minerals, % Daily Value per 100 g

Vitamine C70 %Sélénium59 %Vitamine B1247 %Acide pantothénique...47 %Vitamine A47 %Cuivre47 %Zinc47 %Riboflavine (B2)47 %Calcium47 %Vitamine E47 %

Nutritional insights

  • Protein37,2 gin the top quarter of autres aliments (median 7 g)
  • Fiber7 gin the top quarter of autres aliments (median 1,9 g)
  • Sugars11,6 gabove the median for autres aliments (median 3,4 g)
  • Fat9,3 gabove the median for autres aliments (median 6,5 g)
  • Saturated fat4,7 gabove the median for autres aliments (median 1,9 g)
  • Sodium442 mgabove the median for autres aliments (median 240 mg)
  • Protein per 100 kcal10 gprotein density, useful for comparing foods with different calorie levels

Product details

Brand
Nestle
Barcode
0043900860008
Label serving
1 bar (43 g)
Category
Autres aliments

Ingredients

Ingredients not reported.

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Per 100 g. Calories in kcal. n/a: not reported by the source.

Frequently asked questions

How many calories are in Optifast?

100 g of Optifast has 372 kcal. Serving, 1 bar, 43 g (43 g): about 160 kcal.

Is Optifast high in protein?

Optifast contains 37,2 g of protein per 100 g (74 % of the 50 g Daily Value), or 16 g in serving, 1 bar, 43 g (43 g). About 38 % of its calories come from protein. Compared with other autres aliments, that is among the highest quarter (median 7 g).

How many carbs are in Optifast?

Optifast has 39,5 g of total carbohydrates per 100 g, including 7 g of fiber and 11,6 g of sugars. Label conventions differ: in the EU and some other regions carbohydrates are declared without fiber.

How much fat is in Optifast?

Optifast contains 9,3 g of fat per 100 g, of which 4,7 g is saturated (23 % of the Daily Value).

What vitamins and minerals does Optifast contain?

Per 100 g, the most notable amounts relative to the Daily Value are Vitamine C (70 % DV), sélénium (59 % DV), Vitamine B12 (47 % DV), Acide pantothénique (B5) (47 % DV) and Vitamine A (47 % DV). The full list is in the vitamins and minerals table above.

How much sodium is in Optifast?

100 g contains 442 mg of sodium, 19 % of the 2,300 mg Daily Value.

Where does this nutrition data come from?

From Open Food Facts, record dated 22 avril 2025. FoodFactly last checked it on 7 novembre 2026. Each value above shows whether it was measured, calculated or taken from a label.

Source of the nutrition information

  • Open Food Facts, record 0043900860008. License: ODbL 1.0 (Open Food Facts). Source record dated 22 avril 2025. Imported 7 novembre 2026.

Last updated: . Data quality score: 95/100 (how it is calculated).

Product data from Open Food Facts, made available under the Open Database License. Values are as declared on the label; labels can change over time, so check the package you have.

General nutrition information, not medical advice. Individual needs differ; see our disclaimer.