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Natures Best Isopure Mass

  • High-quality weight gainer shake
  • Made using whey protein isolate
  • Provides 53 g of protein and 86 g of carbohydrates per serving
  • Available in two tasty flavors
  • Also contains a blend of vitamins, minerals, and amino acids
  • Ranked #7 on our Best Mass Gainers List
Where to Buy Nature’s Best Isopure Mass

Nature’s Best Isopure Mass Overview

What we have here is a weight gainer shake is a little on the leaner side in the sense that it uses highly refined whey protein isolate and isn’t particularly loaded up with unnecessary fats.

Nature’s Best Isopure Mass offers 53 g of protein and 86 g of carbohydrates per serving, making it a well balanced and carb-loaded mass gainer product that is sure to support your training goals if you are looking to gain size and strength.

The defining characteristic of this product is that it uses whey protein isolate as its predominant protein source. This is important because whey protein isolate digested very quickly so that you can enjoy a rapid spiking your blood amino acid levels.

What’s more, there is a blend of additional vitamins, minerals, and amino acids to further support your health and training goals.

Isopure Mass Ingredients

Nature’s Best Isopure Mass contains the following ingredients:

  • Maltodextrin
  • Ion-Exchange Whey Protein Isolate
  • Hydrolyzed Guar Gum
  • Sunflower oil
  • Corn Syrup Solids
  • Sodium Caseinate
  • Mono-Glycerides
  • Di-Potassium Phosphate
  • Vitamin / Mineral / Amino Acid Blend, containing:
  • Taurine;
  • Potassium Chloride;
  • Dicalcium Phosphate Dihydrate;
  • L-Glutamine;
  • Magnesium Oxide;
  • Vitamin C;
  • Vitamin E;
  • Niacin;
  • Zinc Sulfate Dihydrate;
  • Vitamin A;
  • Pantothenic Acid;
  • Vitamin B6;
  • Copper Amino Acid Chelate;
  • Manganese Sulphate Dihydrate;
  • Riboflavin;
  • Thiamin Hydrochloride;
  • Folic Acid;
  • Biotin;
  • Potassium Iodide;
  • Chromium Amino Acid Chelate;
  • Selenium Amino Acid Chelate; and
  • Vitamin B12
  • Natural and Artificial flavors
  • Sucralose
  • Soy Lecithin


How and When Do I Take It?

As per the manufacturer’s recommendation, you are to mix six scoops of Nature’s Best Isopure Mass into 16 oz of water

The exact quantity and frequency with which you use this product will depend heavily on your existing diet, the demands of your training, and your current body weight.

Benefits of Isopure Mass

Weight gainer supplements are a fantastic idea because many of us need to consume thousands of calories on a daily basis to make any serious progress in the gym.

This is a particularly difficult task for people who don’t have time to prepare and eat half a dozen meals per day, or for those who simply don’t have the appetite to choke down such vast amounts of solid food.

Being able to drink hundreds of calories within a matter of seconds makes life a whole lot easier, especially considering you can carry a few scoops around in your protein shaker and then mix it up with water or milk at your convenience.

There are a couple of things that make Nature’s Best Isopure Mass stand out somewhat from the competition.

The first thing is evident from the name of the product itself, which is the fact that it predominantly uses whey protein isolate as its protein source.

The vast majority of weight gainer supplements on the market use either a blend of different proteins or unfortunately rely on less sure forms such as whey protein concentrate.

The great thing about whey protein isolate is that it digested very quickly while containing a bare minimum of fats and lactose. This makes Nature’s Best Isopure Mass a great choice for those of you who have a sensitive stomach and are particularly intolerant of lactose or dairy products in general.

The second thing that makes paste that a standout product is that the manufacturer has been good enough to add a blend of extra vitamins, minerals, and amino acids.

Needless to say, Nature’s Best Isopure Mass offers all of the benefits of a standard run-of-the-mill weight gain a supplement, but it also offers some superior features above and beyond what many comparable products are offering these days.

Are There Any Precautions?

Always follow the usage guidelines provided by the manufacturer on any supplement you purchase and speak with your doctor before taking any supplements.

Nature’s Best Isopure Mass should not be used by pregnant or breastfeeding women, nor should it be used by individuals under the age of 18.

Consult your doctor or physician prior to using Nature’s Best Isopure Mass if you have any pre-existing medical conditions or if you are currently using prescription medication.

Please note that these statements have been neither written nor reviewed by a doctor or medical authority of any kind.

Available Flavors and Serving Sizes

Nature’s Best Isopure Mass is available in the following flavors:

  • Creamy Vanilla
  • Dutch Chocolate

Nature’s Best Isopure Mass is available in the following serving sizes:

  • 25 lbs
  • 7 lbs


You only have to look at a list of ingredients in this product to see that the manufacturer has placed a great deal of emphasis on quality, not to mention the health of its customers.

The use of highly refined whey protein isolate and the addition of essential vitamins, minerals, and amino acids make Nature’s Best Isopure Mass a great weight gainer supplement and a very high-quality product overall.


There is a lot to be said for the efficiency and convenience of being able to carry around hundreds of calories in powder form and then drink them with water at your leisure.

If you work in a busy office environment and don’t have the time or liberty to sit and eat a solid meal every couple of hours they product like Nature’s Best Isopure Mass could be an absolute lifesaver when it comes to ensuring you are eating enough to support your size and strength goals.

Taste / Composition / Mixability

Because weight gainer supplements tend to be very liberal in terms of a caloric content it is very difficult to make them taste great.

The only negative thing to say about this product is that there are only two different flavors available. It would be nice to see other flavors such as Cookies & Cream and perhaps some variant of Strawberry as this will provide more variety for repeat users.

Is it Worth the Money?

Nature’s Best Isopure Mass isn’t necessarily the cheapest weight gainer supplement that money can buy but it definitely still offers some great value for money to preserve the undeniable quality of the ingredients that have been used in its formulation.

Even stand-alone whey protein isolate powders tend to be pretty expensive, so to be able to purchase Nature’s Best Isopure Mass with all of the other goodies thrown in at such a reasonable price is actually quite surprising.

If you are looking to invest in a weight gainer supplement and want to make sure that you are getting the most bang for your buck then we definitely recommend considering checking out Nature’s Best Isopure Mass.

Wrapping Up

Nature’s Best Isopure Mass is an affordable and incredibly effective product that offers convenience and quality on all levels.

Consuming enough calories on a daily basis to make consistent size and strength gains in the gym is certainly no easy task, particularly for beginners who are not accustomed to consuming such massive amounts of food.

If this sounds anything like you then you will definitely want to consider using Nature’s Best Isopure Mass as it will make it far easier for you to get hundreds of extra calories into your body in a delicious and convenient manner.

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