Nestlé

Optifast — Calories, Nutrition & Ingredients

UPC 8470002046559 Meal replacements Updated 16 Oct 2026

Optifast
Photo: Open Food Facts contributors, CC BY-SA 3.0
Calories
392per serving
Protein
36 gper 100 g
Carbs
34 gper 100 g
Fat
11 gper 100 g

Where to buy

Find on Amazon
Paid links: we may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. About these links

Per 100 g, Optifast has 392 calories, 36 g protein and 11 g fat.

Label highlights: Fat: medium Saturates: low Sugars: medium Salt: medium HFSS

Nutrition

Per 100 g
Energy 1640 kJ / 392 kcal
Fat 11 g
of which saturates 1.2 g
Carbohydrate 34 g
of which sugars 19 g
Fibre 6.5 g
Protein 36 g
Salt 1.40 g

Calculated from Open Food Facts per-100 g data for the stated serving; values may differ slightly from the package label because of rounding.

Per 100 g and custom amounts

Nutrition per amount

392 calories in 100 g
Protein36 g
Carbohydrates34 g
Sugars19 g
Added sugars0 g
Fibre6.5 g
Fat11 g
Saturated fat1.2 g
Sodium560 mg

Data: Open Food Facts (ODbL) · Photo: Open Food Facts contributors (CC BY-SA)

Where to buy Optifast

Search Amazon for this product. Stock and prices vary by store and location.

Find on Amazon
Paid links: we may earn a commission at no extra cost to you. As an Amazon Associate I earn from qualifying purchases. Prices and availability are set by the retailer. About these links

Ingredients

Acacia gum, Acesulfame k, Ascorbic acid, Aspartame, Biotin, Calcium carbonate, Canola, Caramel, Chromium chloride, Colour - color, Copper gluconate, Corn starch, Ferrous sulfate, Flavouring, Folic acid, Inulin, Magnesium citrate, Manganese sulfate, Milk proteins, Nicotinic acid, Oligofructose fibre, Pantothenic acid, Plain caramel, Potassium Iodidel, Potassium phosphates, Rapeseed, Riboflavins, Skimmed milk powder, Sodium chloride, Sodium fluoride, Sodium molybdate, Sodium selenite, Sunflower oil, Sweetener, Thiamin, Tripotassium citrate, Vitamin A, Vitamin B12, Vitamin B6, Vitamin D, Vitamin E, Vitamin K, Zinc sulfate

Frequently asked questions

How many calories are in Optifast?

Per 100 g of Optifast there are 392 calories.

How much protein is in Optifast?

Per 100 g of Optifast there are 36.0 g protein.

How many carbohydrates are in Optifast?

Per 100 g of Optifast there are 34.0 g carbohydrates. Of which 19.0 g sugars.

How much sugar is in Optifast?

Per 100 g of Optifast there are 19.0 g sugars.

How much sodium (salt) is in Optifast?

Per 100 g of Optifast there are 560.0 mg sodium. UK guidance is for adults to eat no more than 6 g of salt (about 2,400 mg of sodium) a day.

How much fibre is in Optifast?

Per 100 g of Optifast there are 6.5 g fibre. Fibre is important for digestive health.

What are the main ingredients in Optifast?

The main ingredients in Optifast are: Acacia gum, Acesulfame k, Ascorbic acid, Aspartame, Biotin.

Compare with another product Calculate your portion →

Similar products

From the same category

Huel Black Edition Huel Vanilla Flavour Huel Black Edition 442Calories 44Protein 19Fat Huel v2.3 Vanilla Huel Huel v2.3 Vanilla 400Calories 29.5Protein 13.1Fat Classic Choco yfood Classic Choco 100Calories 6Protein 4.8Fat fresh berry Yfood fresh berry 100Calories 6Protein 4.8Fat food in a bottle Tasty food in a bottle 100Calories 7Protein 4.6Fat Free Range Egg White Powder Dr.Oetker Free Range Egg White Powder 365Calories 84Protein 0.2Fat

Level of processing

5
Ultra-Processed
43 ingredients · 12 food additives
UnprocessedUltra-processed

Nutrition breakdown

Macronutrients

Types of fat

Related guides

Learn more about nutrition and food labels:

All guides →

Browse products by nutrient

Find products by calories, protein, sugar and more:

Products by nutrient By calories By protein Low sugar Low sodium

More from Nestlé

Nutrition facts for other products from Nestlé:

All Nestlé products →