Weight Loss Shakes
Our diet range offers 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. To find out more, check out our selection below or take a look at our diet and weight loss range for high-protein foods and supplements aimed to help you on your weight-loss journey.
Shop Weight Loss Shakes at Myprotein
Weight loss shakes are protein-packed powders designed to fit into a calorie-conscious lifestyle without the fuss. Whether you're tracking macros, managing meal timing, or simply looking for a convenient high-protein option that doesn't derail your goals, these shakes give you a straightforward way to hit your numbers. With a range spanning ultra-lean isolate formulas to higher-calorie options built around recomposition goals, there's something here for every approach to fat loss.
Each shake in this range is built around protein — the macronutrient that contributes to the growth and maintenance of muscle mass1 while you work through a calorie deficit. Formats include fast-mixing powders in a wide variety of flavours, so you're not stuck with the same thing every day. Pick your serving size, mix with water or milk, and you're set.
Who Weight Loss Shakes Are For
Weight loss shakes are built for anyone running a calorie deficit who wants to keep protein intake high without adding unnecessary calories from whole food meals. That covers gym-goers cutting after a bulk, people new to structured nutrition who want an easy entry point, and anyone who finds it difficult to hit protein targets through food alone on a busy schedule.
They're equally well-suited to those who train regularly and want to preserve lean mass while losing body fat — a phase where getting enough protein consistently matters. If you skip breakfast, rush through lunch, or find meal prep unrealistic on weekdays, a weight loss shake is a practical tool that slots into the gaps without a load of planning or cooking.
When to Use Weight Loss Shakes
The most common time to use a weight loss protein shake is as a meal replacement or post-training shake during a calorie-restricted phase. Many people use them first thing in the morning when appetite is low, or as a mid-afternoon option that keeps protein intake consistent without a heavy meal. Timing doesn't need to be rigid — fitting a shake into the moments when you'd otherwise skip eating or reach for something less nutritious is what counts.
Post-workout is another popular window, particularly if you've trained fasted or your next proper meal is a few hours away. Protein contributes to the maintenance of muscle mass1, so getting it in consistently throughout the day — not just at one sitting — makes the most of each serving. The convenience factor is real: mix, drink, move on.
Weight Loss Shakes Benefits
High Protein in a Low-Calorie Format
The core appeal of fat loss shakes is the protein-to-calorie ratio. Lean shake formulas pack meaningful protein per serving — like Impact Whey Isolate Powder's up to 26g — while keeping overall calorie load low. That makes it easier to hit daily protein targets without eating into your calorie budget too heavily.
Muscle Mass Maintenance During a Deficit
Protein contributes to the maintenance of muscle mass1, which is especially relevant when training hard through a calorie deficit. Keeping protein high throughout a cut helps you hold on to the lean mass you've built, so the weight you lose is more likely to come from fat rather than muscle tissue.
Convenient and Consistent
Consistency is the hard part of any weight management phase. Shakes remove decision fatigue — no cooking, no measuring out complex meals, no guessing at macros. You know exactly what's in each serving, which makes daily tracking straightforward and repeatable, even on your busiest days.
Flexible Across Different Goals
From ultra-lean isolate powders to options with a fuller macronutrient profile, the range covers different approaches to body composition. Whether you're deep in a cut or taking a more gradual approach to fat loss, there's a shake format that fits the shape of your diet without forcing you to overhaul your whole routine.
Popular Picks
Impact Whey Isolate Powder — Impact Whey Isolate Powder: If you want serious protein without the calories, this delivers up to 26g per serving for just 109 calories.
Impact Whey Mass Gainer — Impact Whey Mass Gainer: Built for those who need to eat big, this packs 30g of protein and 50g of carbs into 388 calories per serving.
FAQs
What are weight loss shakes?
Weight loss shakes are protein-based powders formulated to deliver a high-protein serving with a controlled calorie count, making them a practical tool during a calorie-restricted phase. They're typically mixed with water or milk and used as a meal supplement or post-workout option. The protein content is the key feature — protein contributes to the growth and maintenance of muscle mass1, which matters when you're training through a deficit.
Are weight loss shakes the same as meal replacement shakes?
Not exactly. Meal replacement shakes for weight loss are formulated to stand in for a full meal, with a broader nutrient profile including vitamins and minerals. Weight loss protein shakes are more focused on hitting protein targets and tend to have fewer calories overall. Both can play a role in a fat loss plan — the right choice depends on whether you're replacing a meal entirely or supplementing an existing diet.
Which weight loss shake should I choose?
If you're looking for a lean, high-protein option, Impact Whey Isolate Powder is a strong pick — it delivers up to 26g of fast-absorbing protein per serving with ultra-high protein content and a minimal calorie footprint, making it well-suited to a fat loss phase. If your goal involves maintaining more overall calories while managing composition — such as a recomposition approach — Impact Whey Mass Gainer, with 30g of protein and 50g of carbs per serving, offers a more substantial profile.
How do fat loss shakes fit into a calorie-restricted diet?
Fat loss shakes work best as a consistent part of your daily nutrition rather than a standalone solution. Use them to fill the protein gaps in your day — first thing in the morning, post-training, or as a lower-calorie alternative to a snack or light meal. Tracking total daily intake alongside your shake helps ensure you're staying within your calorie target while keeping protein where it needs to be.
How many weight loss shakes a day should I have?
One to two servings a day is the typical approach, fitted around meals and training. There's no fixed rule — it depends on your total daily protein target, how many whole food meals you're eating, and how your calories are spread. Most people use shakes to bridge the gaps rather than replace every meal, which keeps diet variety intact alongside the convenience.
Can I use weight loss shakes if I don't go to the gym?
Absolutely — weight loss protein shakes aren't exclusively for gym-goers. They're a useful protein source for anyone managing their calorie intake, regardless of how they exercise. Protein contributes to the maintenance of muscle mass1 whether you lift weights, run, cycle, or follow a lower-intensity routine. The convenience factor is the same across the board: a quick, trackable protein source without the need for cooking or meal prep.
What's the difference between whey protein and a slimming shake?
Whey protein powders and slimming shakes often overlap significantly — many weight loss shakes are whey-based. The distinction is mainly in marketing framing. Whey protein powders focus on the protein source and its quality; slimming shakes are positioned specifically around calorie management. In practice, a high-quality whey isolate with a lean nutritional profile serves both purposes well.
Who develops the weight loss shakes at Myprotein?
Myprotein's expert nutritionists develop all products in the range, working to deliver formulas that are both effective and grounded in nutritional science. Each product goes through a development process that considers ingredient quality, macronutrient balance, and how the shake performs in the context of real-world training and dieting.
Are weight loss shakes available in different flavours?
Yes — shakes like Impact Whey Isolate Powder come in a wide range of flavours, so you're not locked into one option. Flavour variety makes it easier to stick to a consistent protein routine without palate fatigue, which is often an underestimated factor in long-term diet adherence. Check the individual product pages for the current flavour lineup.
Are Myprotein weight loss shakes suitable for everyday use?
Yes — weight loss shakes are designed for regular, everyday use as part of a structured diet. They're convenient enough to use daily without requiring significant preparation, and the nutritional profiles are built for consistency over time. Using them as part of a broader diet that includes whole foods gives you the best of both practicality and nutritional variety.
1. Protein contributes to the growth and maintenance of muscle mass.