Prolessa Duo Review

Editor's Review: 3.5 / 5.0

What You Should Know

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Prolessa Duo is a complimentary supplement that can be added to protein shakes or yogurt to improve weight loss success, according to the product description. The product is available as part of the Herbalife line, which means there is a natural push to purchase other Herbalife supplements to take in conjunction with Prolessa Duo. Prolessa Duo used to be available in pill form, but the company recently added the powdered product to the lineup. Based on the ingredient list for the supplement, there is no indication the dieter will lose weight with Prolessa Duo.

List of Ingredients


  • Safflower Oil Derived CLA
  • Palm Oil
  • Oat Oil
  • Glucose Syrup
  • Sodium Caseinate
  • Silicon Dioxide
  • Ascorbyl Palmitate
  • Sodium Phosphate
  • Potassium Phosphate
  • Soy Lecithin
  • Natural Mixed Tocopherols
  • Natural Flavor

Product Features

CLA or conjugated linoleic acid has been around for more than a decade. One of the first popular CLA supplements with Tonalin, which claimed the dieter could take CLA without changing their current diet to lose weight. CLA is not clinically proven to boost or promote weight loss, but there are a few studies that suggest a small amount of fat loss occurs when taking CLA like the kind found in Prolessa Duo. There are also studies that claim CLA intake by obese individuals can have negative side effects like increased insulin resistance and increased risk of diabetes.

Palm oil, the next ingredient in Prolessa Duo, is not considered a healthy fat. The oil is high in saturated fat and it may be oxidized, on some level, before being added to products and supplements. The unhealthy nature of palm oil is supported by the fact that it is a common ingredient in processed foods. Oat oil doesn’t appear to be a significant source of anything other than fat and saturated fat. Prolessa Duo also adds glucose syrup – a form of sugar, and various electrolytes to the formula. These have no impact on weight loss.

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  • Ingredients are listed on the Herbalife website.


  • There don’t appear to be any weight ingredients in the formula.
  • Palm oil and oat oil are sources of saturated fats.


Prolessa Duo is a powdered supplement that has no effect on weight loss. The supplement will add 70 calories to your normal protein shake or yogurt, but it will not increase metabolism or decrease hunger. The product label claims it will reduce hunger and decrease body fat, but Herbalife does not support these claims with clinical evidence and there are no testimonials for the supplement.

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One User Review About Prolessa Duo
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  • 1
    Gilbert Deniz

    I have been taking prolessa for around 2 weeks and i work out daily but i noticed that in made my muscles get smaller… is prolessa responsible for that?


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