Diet Protein Shake

FEEL FULLER FOR LONGER WITH JUST 224 CALORIES

Build lean muscle and track your macros during cutting season with our Diet Protein Shake. It delivers a huge 43g of high-quality whey protein, less than 3g sugar and a maximum of 224 calories per serving. The formula combines fast and slow-release proteins with glucomannan to help you feel fuller for longer — the key for staying in control of your calorie intake.

Enhanced with glucomannan, green tea extract, and glutamine peptides, the high protein content helps you build muscle without any unwanted extras. 

That means maximum gains and maximum flavour. Try the delicious Chocolate and Strawberry flavours to satisfy sweet cravings without worrying about your calorie count.

PRODUCT SUMMARY

Our Diet Protein Shake delivers 43g high-quality whey and milk protein with less than 3g sugar and 6g carbs per serving. It’s been expertly designed to help you stay in control of your weight — perfect for low-calorie training programmes.

We’ve enhanced the formula with carefully chosen nutrients to maximise its impact. Added glutamine peptides blend with glucomannan to help support weight loss¹.

BULK QUALITY PROMISE

Our Diet Protein Shake is designed to support weight loss and lean muscle maintenance², combining premium whey protein with green tea extract, and CLA. We process each ingredient with care to retain its nutritional effectiveness and deliver a high-protein shake that supports your goals without compromise.

Our expert team is made of athletes, scientists and nutritionists. We use advanced equipment in our state-of-the-art facility to guarantee our products meet the highest standards. Every batch of every product is thoroughly tested by gym-goers to make sure you get the best experience with Bulk.

KEY PRODUCT BENEFITS

• 43g whey protein per serving
• Less than 6g of carbohydrate per serving
• Less than 3g sugar per serving
• Great for building lean muscle
• Unique blend for maximum effect

¹Contains glucomannan which, in the context of an energy restricted diet, contributes to weight loss. The beneficial effect is obtained with a daily intake of 3g glucomannan split across three 1g doses taken with 1-2 glasses of water before meals, in the context of an energy restricted diet.

²Protein contributes to the growth and maintenance of muscle mass.

THE SCIENCE BEHIND THE PRODUCT

Diet protein shakes & weight loss shakes are formulated to support weight-management strategies by combining high-protein nutrition with selected functional ingredients commonly used in calorie-control protocols. Each serving contains less than 6g of carbohydrates and includes glucomannan, green tea extract, CLA, and L-carnitine, ingredients frequently associated with appetite regulation and metabolic support when paired with an energy-restricted diet and regular physical activity. 

At the same time, this specific formula from Bulk delivers a blend of fast- and slow-release proteins, providing all essential amino acids required for muscle protein synthesis. This sustained amino acid delivery supports the maintenance of lean muscle mass during periods of reduced calorie intake or increased training demand. With high protein content and low sugar per serving, Diet Protein Shake offers a practical option for individuals looking to maintain protein intake, manage total daily calories, and align nutrition with body-composition goals.

THE EXPERT’S OPINION

“Diet Protein Shake is the ideal addition to your weight loss plan. When dieting, keeping protein intake high to maintain muscle mass is important. Diet Protein Shake includes over 40g protein per shake, whilst also featuring weight loss ingredients, such as Glucomannan alongside Green Tea Extract.” Rowan Cooke, Head of Innovation

7783 reviews