Weight Loss Shakes
Our diet range offer a variety of blends that combine the perfect ingredients and nutritionals to help you achieve your body shape goal. This includes our Impact Diet Whey — with key diet additions including green tea extract and L-carnitine.
Shop Weight Loss Shakes at Myprotein
Weight loss shakes are high-protein powders designed to slot into a calorie-managed diet — giving you a convenient, measured way to hit your protein targets without the guesswork. Each shake delivers a substantial amount of protein per serving, making them a practical tool for anyone working towards a leaner physique alongside a balanced diet and regular training.
The range here covers everything from ultra-lean isolate formulas to multi-ingredient diet shakes — so whether you're after something stripped back or a more comprehensive blend, there's a format to fit your approach. Protein contributes to the growth and maintenance of muscle mass1 and the maintenance of normal bones2, which matters when you're in a calorie deficit and want to hold onto what you've built.
Who Weight Loss Shakes Are For
These shakes are built for people who are actively managing their calorie intake and want a convenient, protein-rich option that fits around a busy day. If you're training regularly and eating in a deficit, getting enough protein from whole food alone can be a challenge — weight loss shakes make it easier to hit those numbers without adding unnecessary calories.
They're equally useful for those who find themselves skipping meals or reaching for less structured snacks between sessions. A shake gives you a defined, trackable serving that fits cleanly into your daily targets — no estimating, no weighing out ingredients, just a straightforward protein hit when you need it.
When to Use Weight Loss Shakes
Timing a weight loss shake comes down to where it fits best in your routine. Many people use them as a meal complement — alongside a lighter meal during the day — or as a post-training option when you want something quick and protein-dense after a session. Protein contributes to the maintenance of muscle mass1, so getting it in around training makes practical sense.
They're also well suited to the moments when a structured meal isn't possible — mid-morning, between meetings, or before an evening session. The key is consistency: a shake works best as part of a broader calorie-managed approach rather than as a standalone solution.
Weight Loss Shakes Benefits
High Protein Per Serving
The shakes here are built around protein content — delivering up to 36g per serving depending on the product. Protein contributes to a growth in muscle mass1 and its maintenance1, which is particularly relevant when you're training hard while managing your calories.
Convenient and Measurable
Each serving is pre-measured, so you know exactly what you're consuming. That kind of precision is genuinely useful when you're tracking macros or working to a specific daily calorie target — no estimation needed.
Versatile Formulas
From fast-absorbing isolates to multi-protein blends and diet-specific formulas, there's a shake here to match different training styles and dietary goals. Whether you prefer something minimal or a more complete nutritional profile, the range has options worth exploring.
Designed Around a Calorie-Managed Diet
These shakes are formulated with diet phases in mind — lower in fat and sugars, higher in protein. That nutritional profile makes them a logical fit within a structured eating plan, rather than just a generic supplement bolted onto an existing routine.
Popular Picks
Impact Whey Isolate Powder — If you want maximum protein with minimum calories, Impact Whey Isolate Powder delivers up to 26g of fast-absorbing protein per serving for just 109 calories.
Impact Diet Whey — Built for those who want more from their protein shake, Impact Diet Whey packs up to 36g of protein per serving alongside green tea extract, CLA, and added choline.
Total Protein Blend — Total Protein Blend earns its name by combining seven different protein sources into a single low-fat, low-sugar serving of 24g of protein.
FAQs
What are weight loss shakes?
Weight loss shakes are high-protein powder supplements designed to be used as part of a calorie-managed diet. They typically deliver a significant amount of protein per serving in a low-calorie format, making them a practical and trackable option for people working towards a leaner physique. Most are mixed with water or milk and consumed as a meal complement or post-workout option.
Are diet shakes the same as meal replacement shakes?
Diet shakes and meal replacement shakes are related but not identical. Diet shakes like those in this range are high-protein supplements designed to complement your existing meals within a calorie-managed diet. Meal replacements are specifically formulated to substitute a full meal and must meet strict nutritional criteria — substituting two daily meals of an energy-restricted diet with meal replacements contributes to weight loss3. Most of the shakes here are best used alongside meals, not instead of them.
Which weight loss shake should I choose?
The right shake depends on your protein targets and how lean you want your formula to be. Impact Whey Isolate Powder delivers up to 26g of fast-absorbing protein per serving with an ultra-high protein content — a strong choice if you want something stripped back. Impact Diet Whey steps it up further with up to 36g of protein per serving and added choline, which contributes to normal lipid metabolism4. If variety is your priority, Total Protein Blend offers 24g of protein from a blend of seven protein sources per serving.
How many weight loss shakes can I have per day?
That depends on your overall daily protein and calorie targets. Most people use one shake per day as part of a structured diet, though two is common for those with higher protein requirements or busier schedules. Always factor your shakes into your total daily intake and consider the rest of your diet when deciding on frequency.
Can I use slimming shakes if I'm not training?
Slimming shakes can be used by people at various activity levels, but they work best when paired with some form of exercise and a calorie-managed diet. Without a training component, the high protein content still has a role — protein contributes to the maintenance of muscle mass1 — but the overall results will vary depending on how the rest of your lifestyle is structured.
What's the difference between whey isolate and a diet shake blend?
Whey isolate is a single-source protein that's been processed to remove most of the fat and lactose, resulting in a very high protein-to-calorie ratio. A diet shake blend typically combines multiple protein sources and may include additional ingredients such as choline. The right choice comes down to whether you want maximum protein purity or a more rounded nutritional profile in your shake.
How do I use weight loss shake powder?
Mix your chosen serving with water or milk in a shaker bottle until smooth. Most people take their shake alongside a lighter meal, after training, or at a point in the day when a full meal isn't practical. Always follow the serving guidance on the specific product you're using, and factor each shake into your overall daily calorie and protein totals.
Who formulates Myprotein's weight loss shakes?
Myprotein's weight loss shakes are developed by Myprotein's expert nutritionists, who design each formula with specific training and dietary goals in mind. The focus is on delivering meaningful protein content in a format that fits practically into a calorie-managed lifestyle — without unnecessary fillers or complicated protocols.
Do weight loss shakes come in different flavours?
Yes — the shakes in this range are available across a variety of flavours, so there's plenty of scope to find something you'll actually look forward to drinking. Flavour availability varies by product, so it's worth browsing the individual product pages to see the full options for each formula.
Are these shakes suitable for vegetarians?
Suitability varies by product — whey-based formulas are derived from milk and are typically suitable for vegetarians but not vegans. Always check the individual product page for full ingredient and allergen information before purchasing, particularly if you follow a specific dietary approach.
1. Protein contributes to the growth and maintenance of muscle mass.
2. Protein contributes to the maintenance of normal bones.
3. Substituting two daily meals of an energy restricted diet with meal replacements contributes to weight loss.
4. Choline contributes to normal lipid metabolism.