Disclaimer: This review made is my honestly held opinion and am not a statement of fact.

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MET-RX is whey supplement brand with a long history and reputation used by pro bodybuilders

  • The taste was alright, nothing unique nor that will leave a bad taste in your mouth
  • Price to protein ratio, it’s affordable
  • Quality ingredients that sticks to the basic, you won’t go wrong with this

Duration length of product testing: 1 month

MET-Rx Ultramyosyn Whey Isolate

Editor’s Review

When food cannot ensure your daily protein or you don’t have the time to cook it, going for a protein shake is the easiest and most convenient solution. It can be hard to choose one such product though, seeing how many different types have hit the market. The range of protein supplements obtained from whey is particularly vast, due to the varying degrees of purity and strength, as well as to the processing methods.

The Product

100% Ultramyosyn Whey by MET-Rx is a whey isolate protein powder delivering an impressive 30g of protein per serving, according to the manufacturer, which is higher than many of the similar supplements on the market. Being based on whey isolate, it is more precious and potent than regular whey concentrates and certainly suitable to a low carb/high protein diet. The product is meant for strength training and particularly for the recovery stage, during which muscle is being built.


Do not be intimidated by the price tag. Look at the quantity: you’re getting 5 lb or over 2 kg of powder, thus the deal is fairly good. One container appears to cost around $70, with not much of a price difference between retailers. You also have the added advantage of not needing to order it too often.

Taste and Mixability

MET-Rx has produced 100% Ultramyosyn Whey with natural chocolate, cookies, and cream, peanut butter, vanilla or strawberry flavor. The first ones tend to be huge favorites and are best mixed with milk and especially with skim milk. You may as well incorporate it into fruit smoothies. The taste has been receiving much praise. You may use more or less liquid to adjust its strength and consistency, especially as it gets to be on the thick side.


This is a formula preferred by competitive bodybuilders, so you know you can rely on it. However, there is a content of nitrogen fillers and the total count of pure protein doesn’t really reach 30 grams, as advertised. In any case, it is a quality concentrate for gym goers and has received very good ratings online. It’s best consumed during the recovery stage, but this doesn’t mean you can’t have it right before a workout. By blending it you obtain a thick, consistent shake that luckily does not form clumps.

The verdict

The product suits the nutritional needs of people who are training hard with weights on a frequent basis. One serving size has 130 calories. The quantities of carbohydrates and fat are negligible. A very good aspect is that this formula is neither sweetened with sugar nor with anything caloric. Also, there are no dangerous sweeteners, such as aspartame, so this essential part is well catered to.

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