Isagenix shake and 18 Shake are popular meal replacements. These products have a huge user base as a result of their weight loss efficacy. They contain ingredients which are effective in promoting weight loss as well as other aspects of wellness. To determine the best product between 18 Shake and Isagenix, the review below compares the effectiveness of these meal replacements against each other.

What is 18 Shake?

It’s a supplement that’s designed to replace meals.18 Shake protein supplement reduces the amount of calorie intake while ensuring that the dieter still has access to essential nutrients. The meal replacement is formulated using a variety of organic ingredients which range from over 18 different types of minerals and vitamins. 18 Shake is manufactured by the 18Nutrition Company. This renowned brand specializes in a variety of wellness products. The company has employed well-trained specialists and nutritionist to formulate its unique weights loss products. 18 Shake is available in two primary flavors which are vanilla and chocolate.

What is Isagenix?

It’s a popular meal replacement shake that’s made by Isagenix Company. This brand is an MLM company and this means that as a consumer, your experience is going to be unique when it comes to getting your meal replacement products and attaining your weight loss goals. Isagenix shake is a high-calorie supplement that’s sold in flavors like vanilla chai, creamy-French vanilla, chocolate, creamy-Dutch chocolate and strawberry.

18 Shake vs Isagenix: Ingredients

The best ways of comparing the efficacy of meal replacement shakes is by looking at their ingredients. This involves looking at the type of protein, fiber and also the source of sugar. What makes diet supplements to be effective is the source of ingredients that they choose to use. Outlined below are the key differences between 18 Shake and Isagenix:

18 Shake Ingredients

18 Shake has ingredients which can help overweight people to achieve healthy weight loss goals. It has appetite suppressors and metabolism boosters which work together to promote a natural weight loss process. The main ingredients which are found in 18 Shake are as outlined below.

Duo-protein Formula

It’s a complex protein formula that’s composed of whey isolate and whey concentrate. These two sources of protein perfectly blend together to accelerate the metabolism process in the body. Additionally, they also help to curb hunger by promoting satiety which can last up to three or four hours. Note that whey concentrate and isolate are also great fat burners.


Maltodextrin is one of the 18 Shake ingredients that’s used to curb hunger. The appetite suppressor which is also known as fibersol 2 ensures that the dieter ends up experiencing less hunger pangs. It reduces the likelihood of high calorie intake by suppressing appetite. Additionally, fibersol-2 has prebiotic compounds which help to improve the digestive health and the functioning of the gut.


18 Shake diet plan has stevia extract as its main source of sweetener. The natural plant extract that’s derived from stevia helps to improve the taste of the 18 Shake protein supplement. It makes the diet shake to taste better minus the addition of empty calories.

Vitamins and Minerals

They include Vitamin B, Vitamin C, chromium, and Iodine all which help to remove the bad cholesterol including LDL and triglycerides. The vitamins and mineral blend in 18 Shake diet plan helps to boost the levels of blood insulin and the rate of metabolism among other beneficial functions.

Isagenix Shake Ingredients

Isagenix reviews show that this supplement has been uniquely designed for two groups of people: those who want to lose weight by increasing their protein intake and those who want to lose weight by reducing their calorie intake. The main ingredients found in Isagenix meal replacement shake are:

Protein Blend

The main source of Isagenix protein shake is myo-isalean complex. This is a long–chain protein concentrate. Additionally, Isagenix diet shake also has a milk protein concentrate and these two are great in reducing hunger pangs. However, individuals who are intolerant to dairy products should avoid this shake because of the milk protein concentrate.

Fiber Blend

Corn & inulin are the main sources of fiber for Isagenix weight loss shake. They help to provide prolonged satiety by reducing the feeling of hunger. This fiber blend also helps to improve the digestive health, leading to better bowel movements. Note that fiber forms the bulk in some foods and promotes regularity.

Vitamins and Minerals

These are some of the best Isagenix ingredients. Vitamins and minerals are important for general growth.  They help to ensure that the organs are functioning and help to reduce chances of the dieter contracting certain bacterial and viral infections. Isagenix products for weight loss contain vitamins and minerals such as magnesium, iodine, vitamin A, coppers, zinc, vitamin D, and many others.

18 Shake vs Isagenix Shake: Nutrition Comparison

When it comes to comparing nutrition content, the top supplements usually have low numbers of calories, carbs, and sugar. They also have high amounts of dietary fiber and protein which are essential for suppressing appetite, increasing the rate of metabolism, and enhancing the burning of body fat. Comparing the calories found in 18 Shake and Isagenix, 18 Shake is a better performer because it has 90 g of calories per serving, compared to Isagenix’s 240 calories.

Looking at the carbs found in these shakes, 18 Shake still leads with 8g per serving to Isagenix’s 24g.  The dietary fiber that’s found in Isagenix is slightly lower than that found in 18 Shake, giving the latter an upper hand. 18 Shake has 1g of sugar for every serving while Isagenix has 11g. The only time Isagenix wins in terms of nutrition comparison is the protein content. It has 25 g of protein while 18 Shake has 15g.

Where to Purchase These Meal Replacements

Apart from the official websites of their respective companies, 18 Shake and Isagenix Isalean can be purchased from a variety of retail outlet. There is Isagenix amazon, 18 Shake amazon, from Walmart, eBay as well in local retail stores.  A single serving of Isagenix costs $3.71. A whole container of this supplement with 14-servings is sold at $53.27. Meanwhile, 18 Shake is sold at $58.90 for 16 servings. This equates to about 3.60 for every single serving. When it comes to price comparison, the difference between these two supplements is only a few cents but 18 Shake is cheaper.

18 Shake vs Isagenix: Pros and Cons

While looking for weight loss supplements, most people usually search for the benefits. Is the shake effective for weight loss? Can it produce long-lasting results? However, it’s also important to look at the cons because this helps to determine the effectiveness of a product. Additionally, it will help you to know if the supplement can help you to reach your weight loss goals.

Pros and Cons of 18 Shake

18 Shake ingredients are all-natural as per the manufacturer claims. It helps to boost weight loss by promoting the speed of metabolism and the production of energy. The resulting effect of this combination is rapid fat burning. Additionally, this supplement doesn’t have an artificial ingredient. It’s sweetened by a plant-based extract which makes it one of the most sought supplements due to its flavor.

18 Shake reviews show that this meal replacement has a high concentration of minerals and vitamins which are rich in nutrients. The body needs these essential ingredients for it to grow and to carry out normal functions. Note that 18 Shake’s source of fiber is resistant to digestive enzymes which means that it can curb hunger effectively. However, this diet plan should be used with a lot of caution to avoid overdosing. 18 Shake diet supplement can cause stomach cramps, indigestion, diarrhea etc.

Isagenix Isalean Shake Pros and Cons

Isagenix diet shake is a great appetite controller. It can suppress hunger for a couple of hours with any hunger pangs. Additionally, it’s available in a wide range of flavors which gives consumers a wide option to select from. Isagenix ingredients especially the high-quality protein content helps to promote the growth of muscles. Overall, it’s a great product that promotes efficient digestion and the absorption of the key nutrients.

However, Isagenix reviews are few. This means that it’s difficult for a consumer to gauge the effectiveness of this supplement based on reviews. Note that the process of formulating this shake involves the use of artificial sweeteners. The result is a weight loss shake with high amounts of sugar which is harmful. Overall, Isagenix products should only be used for a short period of time. Prolonged use of this meal replacement shake may result in ineffective results because of increased tolerance.

Final Verdict

When it comes to choosing between these two shakes, 18 Shake is the better option. It doesn’t contain any artificial ingredients like Isagenix. It’s also suitable for people who are intolerant to lactose. Furthermore, 18 Shake is much cheaper compared to Isagenix hence it easily suits with the preferences of most consumers.