What to Know About Meal Replacement Shakes (2024)

Meal replacement shakes are a hot topic. A shake could be what you’re looking for if you want a quick meal on the go or if you’re trying to lose weight.

What Is a Meal Replacement Shake?

‌A meal replacement shake is designed to replace your breakfast, lunch, or dinner. They are often filled with nutrients but have fewer calories than you would eat during a meal. Look for a meal replacement shake high in proteinif you want help managing your appetite.

On average, men eat between 2,000 and 3,000 calories each day, and women usually eat between 1,600 and 2,400. Experts recommend that your diet include:

  • Vegetables
  • Fresh fruit
  • Whole grains
  • Dairy products, like milk, cheese, and yogurt
  • Protein, like meat, eggs, beans, and seafood‌
  • Oils and fats

Meal replacement shakes don’t usually have fruits, vegetables, or grains, but they tend to be rich in the nutrients you would find in those foods. ‌

How Do Meal Replacement Shakes Work?

Meal replacement shakes are high in protein, so they fill you up but may not load you with extra calories. This aids in weight loss without giving up muscle mass. Some meal replacement shakes are premade, and you can get them in single-serving bottles. Others come as a powder that you mix with milk or water.

Pros of Meal Replacement Shakes

Full of nutrients. A meal replacement shake is one way to make sure you have a healthy option if you know you won’t have time to stop and eat. It might be easy to stop by a fast-food restaurant, where many options aren’t healthy. Plus, you’ll probably spend more on a burger than you would on a meal replacement shake.

Low calories. A meal replacement shake is a good addition to your diet if you’re watching your weight or trying to lose weight. One downfall when losing weight is feeling hungry, and meal replacement shakes can help you overcome that obstacle.

Added fiber. In addition to protein that helps you feel full, meal replacement shakes are often high in fiber. This helps healthy digestion, so you don’t get bloated or have constipation.

Proven weight loss. Research has found that meal replacement shakes can help with weight loss. One study tracked two groups of people as they tried to lose weight over the course of 3 months. At the end of the study, the group that did not use meal replacement shakes lost only 1.5% of their initial body weight. The group that used replacement shakes lost 7.8%.

Cons of Meal Replacement Shakes

Artificial ingredients. Often, meal replacement shakes have a lot of artificial ingredients because the powder mixes are processed. The artificial ingredients help preserve the product and boost nutrients. Many shakes also include added sugars so they taste better. Be sure to read labels carefully.

Checking for quality. Some products boast meal replacement but don’t live up to expectations. Look for at least 3 grams (g) of fiber in your shake. The protein content should be higher than or equal to the amount of carbohydrates in the shake.

Low calories. This may be an advantage in some cases but a disadvantage in others. You cut back on calories when you want to lose weight. However, cutting out too many calories is dangerous.Meal replacement shakes are typically between 150 and 200 calories, which is probably nowhere near what you would eat during a meal. Be sure to make up calories with other meals and snacks.

Other Considerations

Think about allergens. If you have a dairy allergy or lactose intolerance, check labels before purchasing. Keep in mind that whey protein comes from cow’s milk, so you may want to find a protein mix that is plant-based.

What to Know About Meal Replacement Shakes (2024)

FAQs

Is it okay to drink meal replacement shakes everyday? ›

Replacing all meals or prolonged consumption of these shakes is dangerous. They may produce harmful effects because it deprives the body of all essential nutrients and enzymes.

What are the cons of meal replacement shakes? ›

Cons of Meal Replacement Shakes

Often, meal replacement shakes have a lot of artificial ingredients because the powder mixes are processed. The artificial ingredients help preserve the product and boost nutrients. Many shakes also include added sugars so they taste better. Be sure to read labels carefully.

How many meals can you replace with meal replacement shakes? ›

Bottom Line: Drinking only meal replacement shakes is safe, provided you are consuming enough calories to lead an active lifestyle. There are few risks, just some unpleasant side effects. It is ultimately a better option only to replace 1-2 meals per day with shakes and create healthy meals for the remaining calories.

Can you lose weight from meal replacement shakes? ›

Replacing meals with protein shakes may help you lower your daily calories, which can help you lose weight. But in time you'll need to start eating solid food again. Eating solid food may cause excess weight to return if you don't make smart food choices.

How much weight can you lose in a week on shakes? ›

With a meal replacement you could create a 500-calorie deficit a day, which means you can lose 1 lb a week. However, if you create a larger calorie deficit of 2,500 by replacing two meals a day with a meal replacement, eat a healthy meal, and include exercise; you can safely lose up to 5 lbs a week.

How long can you stay on meal replacement shakes? ›

You can live on meal replacement shakes and nothing else but should not plan on doing so for longer than eight weeks. Most people will respond better to having two or even just one shake per day. Finding the right shake for you is also important.

Is meal replacement shake for breakfast or lunch? ›

While breakfast might be the most commonly replaced meal, meal-replacement shakes can also be a handy option for lunch or dinner, especially when you are short on time or on the go. Think about it: imagine you are stuck at work with a mountain of deadlines and you don't even have time to think about lunch.

Are meal replacement shakes worth it? ›

Although meal replacement shakes can be healthier than skipping a meal altogether, they are not all equal in nutrition or quality. If used properly, one product may enhance your weight loss, while another could work against your efforts.

What's the difference between a protein shake and a meal replacement shake? ›

Meal replacement shakes can help you lose or maintain weight because they offer balanced nutrition and portion control. Meal replacement shakes help take the guesswork out of calorie counting. Protein supplement shakes are meant to boost your protein intake throughout the day.

What are the negative effects of meal replacement shakes? ›

The vitamins in meal replacement shakes don't come from a food source so your body doesn't recognise them. These lab-created synthetics can cause inflammation, allergies, digestive disturbances, and autoimmune dysfunction. Fructose: Processed sugar, such as in the form of fructose, can greatly affect health.

Is it okay to have a meal replacement shake every day? ›

Most people should not consume pre-made, bottled meal replacements on a day-to-day basis.” Meal replacement shakes are not without their benefits, but incorporating them into a balanced diet takes a good understanding of what kind of nutrients your body needs.

Do meal replacement shakes help lose belly fat? ›

Lastly, some meal replacement shakes are higher in protein than others, so choose a shake that is high in protein and low in sugar. Bottom Line: Meal replacement shakes that are high in protein may help you lose weight and body fat.

How often should you drink nutritional shakes? ›

If you work out regularly and you're trying to build muscle, two protein shakes per day is plenty. And if you're not that active, you likely don't need more than one protein shake per day.

Is it okay to drink protein shakes multiple times a day? ›

So, the short answer to your question is: yes, you can drink two (or more) protein shakes a day, but you might not need to. How much protein you have and the type of protein you take ultimately depends on your goals, which is what we're here to help you with.

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