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Are Meal Replacement Shakes Nutritious?
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Are Meal Replacement Shakes Nutritious?

Meal replacement shakes have gained popularity around the world as a quick and convenient way to lose weight. Shakes are a multi-billion dollar industry that is expected to continue growing.

Meal replacement shakes can be an effective weight loss tool, but they vary in the amount of nutrition they offer and have other pros and cons to consider. If you’re considering meal replacement shakes for healthy weight loss, here’s what you need to know:

How Do Meal Replacement Shakes Work?

Meal replacement shakes are low in calories, ranging from approximately 150 to 400 calories per shake, so they can be effective as part of a meal. weight loss program. They are available ready-made in a single serving or as a powder that you mix with water or milk.

vibrations high protein that fills you upThis way, you will be less hungry while consuming fewer calories. Protein also helps you maintain muscle mass while reducing calorie intake in a way that other types of diets cannot. Most shakes contain other important macronutrients, including carbohydrates and fats.

However, Shakes may not contain all the nutrients you need. They may be missing antioxidants and other phytonutrients (natural compounds found in plants), as well as some vitamins and minerals (micronutrients).

These ingredients are important for health but are difficult to add during production. The body cannot produce these either; you need to get them through food. Micronutrients help support the immune system and cardiovascular health and reduce inflammation.

How Often Should You Change Meals?

There’s no set rule for how many shakes you should drink instead of meals, but consider replacing one meal (or two at most) per day.

Shakes aren’t the best replacement for the nutrition you can get from whole foods. Additionally, if your calorie consumption is too low, you may feel tired, your metabolism may slow down, and your risk of disease may be higher. gallstone development (hardened bile deposits in the gallbladder), especially with rapid weight loss.

Benefits

Meal replacement shakes have various benefits, including:

  • They can jump-start weight loss by making you feel full while consuming fewer calories.
  • They may be more effective than a weight loss plan based on whole foods. A review of clinical studies investigating meal replacement shakes showed that people who drank shakes lost more weight in one year than people using other nutritional approaches; but some other studies were inconclusive.
  • You don’t have to shop for food, prepare, cook or clean. Meal replacement shakes are easy to take on the go and can be healthier and have far fewer calories than fast food.
  • Shakes can help you burn more fat during exercise and feel less hungry afterward.
  • Although the evidence is limited, they may help lower your blood pressure and reduce “belly fat,” especially in men. Belly fat is an indicator of metabolic disease risk (such as type 2 diabetes). People of all genders saw reductions in blood sugar levels after using the meal replacement shakes at dinner for 12 weeks.
  • if there is type 2 diabetesLosing weight can contribute to your overall health by lowering your body weight; This can improve your blood sugar, insulin, fat, and A1c (a measurement of blood sugar over several months) levels.
  • They may be useful for people with irritable bowel syndrome (IBS) or inflammatory bowel diseases (IBDs) when they don’t want to eat. If you have IBS or IBD, talk to your healthcare provider before trying meal replacement shakes.

Disadvantages

Meal replacement shakes have their benefits, but they also have significant drawbacks to consider. These include:

  • Shakes do not provide complete nutrition. Some may have more nutrients than others, but none alone represents a balanced diet. They may not have enough fiber and phytonutrients that you can get from whole plant-based foods like vegetables and fruits.
  • Meal replacement shakes are unlikely to be a long-term solution to weight management because they are rarely satisfying in the long run.
  • Whether powder or liquid, the ingredients in mixtures are often finished and often contain additives, preservatives or added sugar.
  • Clinical practice guidelines for managing overweight and obesity note that the evidence that meal replacements work for weight loss is weak.

Fiber It is important for gut health, blood sugar control and managing cholesterol. Women should aim to get about 25 grams of fiber per day, while men should aim for about 38 grams (or 14 grams for every 1,000 calories).

Who Should Avoid Meal Replacement Shakes?

Meal replacement shakes have been associated with several safety concerns. If you have a nutritional deficiency, eating disorder, or digestive disorder, consult your healthcare provider before using them.

Other Matters

Ready-made shakes are best suited. Plant-based meal replacement shakes are available, but check the protein content to make sure it’s adequate.

When choosing a meal replacement shake, check the labels and find out what it offers, what it contains, what it’s not healthy for, and what it’s missing. Be sure to eat plant-based foods to provide the nutrients you need.

if you make your own protein shakeAlthough it may take some effort to prepare, you can avoid some processed ingredients and control the ingredients. Use protein powder, fruits, veggies, and nuts (maybe a little peanut butter or some chia seeds), but measure and count the calories carefully.

While shakes can be an effective weight loss tool in the short term, consider how you can permanently change your eating habits to sustain them over the long term. Look at what triggers overeating and find alternatives. Remember to pat yourself on the back when you succeed and not to blame yourself harshly if you slip.

Summary

Meal replacement shakes may be a tool for short-term weight loss, but they do not provide complete nutrition. These need to be balanced with whole foods so you can get the nutrients you need to function well and stay healthy.

Verywell Health uses only high-quality sources, including peer-reviewed studies, to support the facts in our articles. Read our editorial process to learn more about how we fact-check our content and keep it accurate, trustworthy and reliable.
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  3. American College of Sports Medicine. Protein intake for optimum muscle maintenance.

  4. Deledda A, Annunziata G, Tenore GC, Palmas V, Manzin A, Velluzzi F. Dietary antioxidants and their roles in inflammation, obesity and gut microbiota modulation. Antioxidants (Basel). 2021;10(5):708. doi:10.3390/antiox10050708

  5. Academy of Nutrition and Dietetics. 4 ways low-calorie diets are sabotaging your health.

  6. Garvey WT, Mechanick JI, Brett EM, et al. The American Association of Clinical Endocrinologists and the American College of Endocrinology provide comprehensive clinical practice guidelines for the medical care of patients with obesity.. Endocr Application. 2016;22 Suppl 3:1-203. doi:10.4158/EP161365.GL

  7. Veterans Administration. VA/DoD clinical practice guideline for the management of overweight and obesity in adults.

  8. Oliveira CLP, Boulé NG, Berg A et al. Consuming a high protein meal replacement leads to higher fat oxidation, suppression of hunger and improved metabolic profile after the exercise session. nutrients. 2021;13(1):155. doi:10.3390/nu13010155

  9. Guo X, Xu Y, He H, et al. Effects of meal replacement on body composition and metabolic parameters among people with overweight or obesity. Obesity Journal. 2018;2018:2837367. doi:10.1155/2018/2837367

  10. Yip I, Go VL, DeShields S, et al. Liquid meal replacement and glycemic control in obese type 2 diabetic patients. Obes Res. 2012;9 Suppl 4:341S-347S. doi:10.1038/oby.2001.140

  11. My Crohn’s and Colitis Team. Meal replacement shakes and IBD.

  12. Jensen MD, Ryan DH, Apovian CM, et al. 2013 AHA/ACC/TOS guidelines for the management of overweight and obesity in adults: report of the American College of Cardiology/American Heart Association Practice Guidelines and Obesity Society Task Force. J Am Coll Cardiol. 2014;63(25 part B):2985-3023. doi:10.1016/j.jacc.2013.11.004

  13. Centers for Disease Control and Prevention. Fiber: Carbohydrate that helps you manage diabetes.

  14. U.S. Department of Agriculture and U.S. Department of Health and Human Services. Dietary Guidelines for Americans, 2020-2025. 9th Edition.

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With Nancy LeBrun

LeBrun is a Maryland-based freelance writer and award-winning documentary producer with a bachelor’s degree in communications.