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  • Sinister Labs Sinfit Protein Cookie - Birthday Cake - Box of Protein
  • Sinister Labs Sinfit Protein Cookie - Birthday Cake - Box of Protein

Sinister Labs Sinfit Protein Cookie - Birthday Cake

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Blast your taste buds to the nearest birthday celebration in town with SinFit's Birthday Cake Protein Cookie.

Soft baked to the cookie core and covered in vanilla icing and fruit-flavoured bits that will make each bite more satisfying than the last! Each cookie is gluten-free and packed with 20g of protein per serving.

Close your eyes, make a wish, and blow out the candles and enjoy our delicious Birthday Cake Protein Cookie.


Nutrition Per 100g Per Cookie (78g)
Energy (kJ) 1663 1297
Energy (kcal) 397 310
Fat 15.4g 12g
- of which saturates 7.7g 6g
Carbohydrate 41g 32g
- of which sugars 9g 7g
Fibre 3.8g 3g
Protein 25.6g 20g
Salt 1.3g 1g



Protein Blend (Whey Protein Concentrate, Whey Protein Isolate), Brown Rice Flour, Vegetable Glycerin, Vegetable Oils (Palm, Palm Kernel, Soybean), Sugar, Maltitol,Soy Protein Isolate, Water, Chicory Root Fibre, Corn Syrup, Natural Flavours, Corn Cereal, Baking Soda, Corn Starch, Potassium Sorbate, Whey, Mono and Diglycerides, Sunflower Lecithin, Soy Lecithin, Beta-Carotene, Vitamin A Palmitate, Turmeric, Paprika, Fruit and Vegetable Extract, AlmondPeanut and Sucralose.



See ingredients in Bold.

Manufactured in a plant that processes Milk, Soy, Wheat, Treenut, Peanut and Egg.

UK (Including Northern Ireland)

Delivery starts from £2.99

FREE 2nd Class Signed For UK Delivery over £24.99 - 48 hours (2 Working Days)

Republic of Ireland

Delivery starts from £2.99

Rest of the World

Delivery starts from £4.99

Please note that while we do ship orders outside of the United Kingdom, international orders can be tricky as customs rules vary widely from country to country. By placing an international order, you understand that you are solely responsible for any and all customs, taxes, tariffs, or any other costs which this order may incur and we cannot issue a refund for any inability to receive the package after we have sent it out.

We aim to ship all orders within 24hours


Customer Reviews

Based on 2 reviews

Super tasty. Highly recommended


This cookie is great but was very large and somewhat sickly however it was nice to eat in moderation :)

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