Best Diet Shakes in 2023

Let’s face it: losing weight is one of the hardest things to do.

The ultimate goal is to burn fat fast but do it safely at the same time — and the best diet shakes will help you get there.

Diet shakes are designed for the modern day adventurer — they provide on-the-go meal replacements for those with a busy schedule and have little time to prepare a balanced meal. These shakes help you lose weight by cutting out the amount of fat and carbs you consume, but still providing you with enough nutrients to make it through the day.

Ready to shed those pounds? We’ve tested the market to bring you our picks of the top 5 best diet shakes for your weight loss goals:

Nature Zen

Can’t get rid of that stubborn beer gut? THE MAN diet shake caters specifically to men’s needs, with a natural belly blaster formula that helps you lose weight faster. This shake is developed to replace one or two of your daily meals. It has a high protein content at 30 grams that helps you build muscle and also helps keep you feeling full for longer. It also comes in a variety of 8 different flavors to choose from; including coffee, strawberry, banana and caramel.

Key Ingredients:

  • 30 grams of protein to build muscle
  • 25 different vitamins and minerals
  • 400mg calcium for stronger bones
  • 7.5 grams of dietary fiber for easy digestion
  • Vitamin B12
  • Pre and probiotics to boost your mood and immune system.

Verdict: The best thing about THE MAN diet shake is that you don’t have to give up eating your favorite food. This diet shake is easy to incorporate into your daily diet by providing you the fullness of a balanced meal but with lesser calories. It also comes fully fortified with vitamins such as A,B,C, D, and E as well as calcium, folate, iodine and iron.

No matter your weight loss goal, CASSIUS Advanced Meal Replacement Shake has all the ingredients necessary to kick away those unwanted pounds. More than just your ordinary diet shake, this one prides itself in being a healthier meal replacement with proper nutrient ratio for daily consumption. It features a blend of whey and milk protein for faster weight loss, as well as a mix of MCT oil and over 25 essential vitamins to sustain your appetite.

Key Ingredients:

  • 34.2 grams of protein per serving
  • 13.7 grams of carbohydrates
  • 5.9 grams of fiber
  • 25 essential vitamins and minerals
  • MCT oil and BCAA
  • Unique adaptogen blend for weight loss

Price: $66


Verdict: Featuring a very high protein content at 34.2 grams per serving, CASSIUS Advanced Meal Replacement Shake keeps you feeling full for longer. It’s also high in fibre to promote gut health and comes with a unique blend of adaptogens to improve your memory and focus, resulting in more balanced stress levels.

As its name suggests, the CELEBRITY SLIM Rapid Shake is designed to promote faster weight loss. This diet shake’s primary goal is to increase metabolism in order to burn fat which are stored in excess amounts in the body., while restricting carbohydrates at the same time. Its main feature is a unique blend of skim milk powder, dietary fiber and L-carnitine for accelerated weight loss results.

Key Ingredients:

  • Skim milk powder
  • 14.2 grams protein
  • 0.7 grams saturated fat
  • 13.6 grams sugar
  • 6.1 grams dietary fiber
  • 33 mg L-Carnatine
  • Natural sweetener and maize starch

Price: $34.99


Verdict: Unlike other diet shakes on this list, the CELEBRITY SLIM Rapid Shake is not intended as a meal replacement but instead as a daily addition to your meals. It comes with several essential vitamins for body performance and hormone balance, including vitamins A, B1, B2 and biotin. It also contains natural sweeteners so you can drink it without adding any artificial sugar.

The RAPID WELLNESS Rapid Loss Meal Replacement Shake is a great choice for people with allergies, as this product is completely gluten free and made will all natural ingredients. This diet shakes contains a special blend of guarana extract, magnesium, iron and several kinds of B vitamins to fuel your energy throughout the day and also helps reduce mental fatigue. Because it has high amounts of protein, you guaranteed to feel full faster and build leaner muscles.

Key Ingredients:

  • 133 calories per serving
  • 7.6 grams protein
  • 15.5 grams carbohydrates
  • 1.9 grams saturated fats
  • Guarana extract
  • Magnesium, iron
  • B vitamins
  • Vitamin A, D, C

Price: $45


Verdict: With both a high protein and high fiber content, the RAPID WELLNESS Rapid Loss Meal Replacement Shake makes a great combination of weight loss and muscle build-up. This product is proudly made in Australia with natural sweeteners that make it easy to add to any meal plan. A customer favorite is the brand’s creamy chocolate flavor.

The ATKINS brand is renowned for producing products that promote healthy weight loss — and the ATKINS Plus Protein Packed Shake is no different. It provides everything you need to fuel through your daily nutrition needs, featuring at high protein count at 30 grams coupled with 7 grams of soluble fiber to give you steady energy. It’s also a great choice for anyone on a low carb diet, as it only has 1 gram of sugar per serving.

Key Ingredients:

  • 30 grams protein
  • 7 grams soluble fiber
  • 2 grams net carbs
  • 20 essential vitamins and minerals
  • Gluten free
  • Low glycemic index

Price: $3.50 per 400ml bottle


Verdict: ATKINS Plus Protein Packed Shake is a gluten-free, ready-to drink shake that complements any workout routine. Each serving gives you 20 essential vitamins with only 2 grams net carbs, making it a great choice for those with high sugar levels.


When meal prep and exercise are not enough, you'll need an extra boost to get rid of stubborn body fat.

That's where diet shakes come in.

1. Convenience

The best part about diet shakes is that they're literally effortless. A busy at work might not give you the luxury of preparing a full balanced meal, and diet shakes provide a healthy on-the-go alternative. They're easy to take with you, quick to drink, and simple to prepare.

2. Packed with essential nutrients

The best diet shakes are designed to work as a full meal replacement. This means they contain essential nutrients that would be normally found in a healthy, balanced meal -- such as calcium, potassium, iron and vitamin D. It's also a great way of getting the right ratio of macronutrients into your daily diet.

3. Reduces sugar cravings

When you try to lose weight by skipping a meal, your blood sugar levels tend to increase as a result. Diet shakes are packed with enough calories and nutrients to make you feel full for longer, helping you balance out your blood sugar levels as well as keeping your appetite under control.

4. Lesser Calories

We know how fast our daily calories can add up. Diet shakes solve this problem by giving you an accurate daily calorie count and providing a nourishing, satiating source of protein.

5. Helps you lose weight faster

Diet shakes help you feel full while consuming fewer calories. This means you get all the benefits of a regular meal, but in a proper proportion that supports your weight loss goals.


Not all diet shakes are created equal. 

Each one of us has our own unique weight and health goals, so it's important to choose a diet shakes that meets those needs.

As a starting point, here are a few important factors to look out for in a diet shake:

1. High in protein

Protein is one of the most important nutrients for weight loss. Ideally, the best diet shakes should have between 10-30 grams of protein per serving. A higher protein content increases the feeling of being full, which in turn curbs your appetite so you eat less without being deprived of your daily nutrient intake.

2. Lesser calories

Diet shakes help keep the calories low and the nutrients high. Typically, the best diet shakes should have only 200 to 400 calories in a single serving. This ensures that you meet your daily meal requirements.

3. Lots of fiber

Fiber slows down the time it takes for food to pass through the stomach -- so that you feel fuller for longer periods of time. Fiber also slows down the absorption of glucose to help balance out your blood sugar levels. Try looking for a diet shake that has at least 3 grams of soluble fiber.

4. Watch the sugar

Too much sugar causes instant weight gain. Some diet shakes have a higher sugar content to improve the taste, so make sure to always check the nutrition facts. Look for diet shakes with not more than 10 grams of sugar per serving.

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