• Free UK Next Day Delivery
    When you spend over 50 quid
  • 93% felt positive
    after their first week*
  • 100% of your daily vitamins & minerals
    when following our diet
  • Our customers love us
    rated 4.5 on Reviews.co.uk

Marvellous Muesli Bar

Our delicious Marvellous Muesli diet bars are topped with creamy white chocolate.

Allergens: Gluten, Milk, Soy, Sulfites. Manufactured on equipment that processes: Nuts, Peanuts, Tree Nuts.


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A Real Treat Without the Naughtiness

Developed to curb the trend, the bars have great taste and texture. These low-calorie chocolate bars are packed full of good stuff – fibre, protein, vitamins and minerals – so they can be used as a meal replacement in our diet plans and you won’t end up hungry, keeping you fuller for longer.

Full of Essential Vitamins and Minerals

Keeps you happy and healthy

Unrivaled Taste

So good that you don’t feel like you are dieting

Unrivaled Taste

So good that you don’t feel like you are dieting

Yogurt flavored compound coating1,2 (sugar; palm kernel oil; lactose1; fermented milk powder1; emulsifier: soy lecithin2); milk1 and vegetable2 proteins; soy wheat crisps2,3,4; soy nuts2; raisins and raisins paste; fructose syrup; glucose syrup; oligofructose (chicory); apple paste; emulsifiers: glycerin, mono and diglycerides, soy lecithin2; soybean oil2; fructose; oat flakes3,4; apple pieces1 (fruit (apple, apple juice); saccharose; fructose syrup; rice flour; palm oil; acidifier: citric acid; gelling agent: pectin; flavour); stabilizers: dipotassium phosphate, potassium lactate; acidity correcting agents: tricalcium phosphate, magnesium oxide, malic acid; flavours4; oat bran3; salt; vitamin and mineral mix (vitamin C as ascorbic acid, ferrous fumarate, niacinamide, vitamin E as tocopheryl acetate, copper gluconate, zinc oxide, manganese sulfate, calcium pantothenate, vitamin B6, vitamin B2, vitamin B1, vitamin A as palmitate, folic acid, potassium iodide, chromium chloride, sodium molybdate, sodium selenite, biotin, vitamin K1, vitamin D3, vitamin B12); antioxidant: tocopherols.

Allergens: Gluten, Milk, Soy, Sulfites. Manufactured on equipment that processes: Nuts, Peanuts, Tree Nuts.

Fortified with Vitamins and Minerals

The key to the success of Shake That Weight products is that they are fortified with 25% of your RDA of vitamins and minerals in each product. Due to the nature of food these values vary by product and you can see the breakdowns below.

NutritionalPer 100gPer serving
Energy Values
Typical nutritional values
Total Carbohydrates43.316.0
-Sugars (g)35.713.2
Total Fat12.54.6
-Saturated (g)6.42.37
-Monoinsaturated (g)1.970.73
-Polyinsaturated (g)3.391.26
-Omega 3 (g)0.150.05
-Omega 6 (g)2.420.9
Fibre (g)3.31.2
Salt (g)1.010.38

Vitamin Profile

NutritionalPer 100gPer serving
Vitamin A (μg RE)357132
Vitamin D (μg)2.280.84
Vitamin E (mg TE)7.42.7
Vitamin C (mg)26.279.72
Thiamin (mg)0.560.21
Riboflavin (mg)0.930.34
Niacin (mg NE)12.94.8
Vitamin B6 (mg)0.660.25
Biotin (μg)37.113.7
Pantothenic acid (mg)1.880.70
Calcium (mg)365135
Phosphorus (mg)445165
Iron (mg)9.203.40
Zinc (mg)5.391.99
Copper (mg)0.820.30
Iodine (μg)63.223.4
Selenium (μg)29.811.0
Magnesium (mg)121.144.8
Manganese (mg)1.900.70
Weight35 kg
Dimensions10 x 3 x 1.5 cm

Suitable for Vegetarians


Gluten, Milk, Soy, Sulfites

Manufactured on equipment that processes

Nuts, Peanuts, Tree Nuts

UK Delivery

Free for orders over £50 & economy options from £1.99

Available next day* with DPD and Royal Mail.

Alongside the door to door service, we offer pick up from shop and 1 hour delivery time-slot.

UK Delivery Rates

*when ordered before dispatch deadline

International Delivery

Free delivery* available all over Europe and beyond

We can deliver around the world from 2 days with a Free delivery available on all destinations. Click the button below to find your destination.

International Delivery Rates

*order value threshold differs by destination

4.46 Average 24 Reviews

All the bars a little too sweet for me, but great as a snack *


Lovely tastes, more of a breakfast type bar in taste so nice mid morning. *


Really nice taste I like to have one just to chew something *


Great flavour *


My favourite of all the bars available, but I do find it annoying that this particular bar never seems to be reduced. *

* Weight loss results are different for each individual and yours may vary.

Free Shaker with orders over £75