Depending on your calorie needs, a meal replacement shake should be about 300-500 calories, at maximum. The idea is that a meal replacement will yield a calorie deficit and help you to lose weight. Aim to keep your meal replacement shake to about 30-45 g of carbohydrate. You also want your meal replacement to have at least 3 g of fiber, which will help to keep you full and slow down the rate at which blood sugars rise.
https://www.verywell.com/how-to-use-meal-replacements-for-weight-loss-1087706
Measure the recommended amount of shake powder and liquid to mix together. Usually, this is one scoop of powder and 8 fluid ounces (237 mL) of milk. Replace only the meals listed in the instructions. Most weight-loss shakes recommend at least one solid meal, usually dinner.
http://www.wikihow.com/Safely-Use-Weight-Loss-Shakes
This method may help you lose up to 24 pounds in approximately three months. A study in the August 2004 Journal of Nutrition notes similar results, leading researchers to conclude that meal replacement shakes are as effective as conventional methods for losing weight.
http://www.livestrong.com/article/520916-how-much-weight-can-i-lose-after-drinking-meal-replacement-shakes/
Meal replacement shakes are designed to be consumed in place of a regular, solid food meal. You can replace one, a few or all of your daily meals with meal replacement shakes, depending on how much weight you need to lose. Most manufacturers encourage you to consume at least one regular meal in conjunction with your daily shake intake. Some shakes are available premixed, while others must be blended with water. Some companies also offer meal replacement bars and soups to provide variety.
http://www.livestrong.com/article/277457-meal-replacement-shake-for-weight-loss/
Note: These are the guidelines I used when I selected my “Top 3 meal replacement shakes” shared in my recent guide “How to lose weight with Meal replacement Shakes“. In “How to lose weight with Meal replacement Shakes“, I’ve shared my meal replacement shakes diet plan. I replaced my breakfast with a shake.
https://www.daystofitness.com/how-to-choose-meal-replacement-shakes-for-weight-loss/
Choosing the Right Shake. 1  1. Find out if weight-loss shakes are safe for you. Research any health issues you suffer from or medications you’re taking. 2  2. Read the nutrition information. Search online for the nutrition labels of the shakes you’re considering. 3  3. Read credible reviews.
http://www.wikihow.com/Safely-Use-Weight-Loss-Shakes
Calories in Shakes. The nutrients and amount of calories in meal replacement shakes vary, depending on specific brands and flavors. Many provide around 250 calories per serving. By replacing an average meal with a shake, you may be able to cut about 500 calories out of your usual daily intake, resulting in a weight loss of about 1 pound per week.
http://www.livestrong.com/article/520916-how-much-weight-can-i-lose-after-drinking-meal-replacement-shakes/
Keep it to a Minimum: If you are going to use a meal replacement to lose weight, don't abuse it. Aim to supplement one to two meals maximum and possible one snack daily. It is still important to learn how to eat because using meal replacements forever is not sustainable.
https://www.verywell.com/how-to-use-meal-replacements-for-weight-loss-1087706
The most important ingredient: Healthy Diet Habits. In “How to lose weight with Meal replacement Shakes“, I’ve shared my meal replacement shakes diet plan. I replaced my breakfast with a shake. Besides breakfast, in our day, we have 2 more main meals (lunch and dinner) and 2 or 3 snacks.
https://www.daystofitness.com/how-to-choose-meal-replacement-shakes-for-weight-loss/
Adopting a Healthy Weight-Loss Regimen. 1  1. Follow the instructions. Measure the recommended amount of shake powder and liquid to mix together. 2  2. Eat healthy snacks between meals. If you eat breakfast at 6:00am and lunch at 12:00pm, you’ll probably feel hungry by mid- to late-morning. 3  3. Drink plenty of water.
http://www.wikihow.com/Safely-Use-Weight-Loss-Shakes
how to use meal replacement shakes for weight loss
For weight loss, keep your meal replacement shake to about 30 to 45 grams of carbohydrate.