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Transparent Labs Mass Gainer: Cleanest Weight Gainer For Skinny Guys?

Personally Tested 15 Servings Mass Gainer

I bought and tested this product independently. FitFrek may earn a commission from qualifying commercial links; editorial conclusions remain independent.

Transparent Labs Mass Gainer bottle and prepared shake

Transparent Labs

Mass Gainer

—FitFrek Score
Calories
750–770
Protein
52–55 g
Servings
15

Quick Verdict

Best for
People who genuinely struggle to eat enough calories and want a convenient, high-protein shake.
What I noticed
Both flavors were mild rather than overly sweet or chalky, and I preferred Sweet Vanilla.
Biggest tradeoff
The full serving is filling and did not mix especially well in my experience.
Bottom line
A practical calorie-surplus tool when food intake is the bottleneck, but not a replacement for a balanced diet.

Personally tested

My Experience

Nader Qudimat
Nader QudimatIndependent FitFrek review

I tested Sweet Vanilla and Chocolate Glaze Donut. Neither tasted overly sweet or chalky, and I preferred Sweet Vanilla because it felt easier to use repeatedly.

A serving kept me full for roughly two to three hours. I did not notice bloating while using it, but it did not mix especially well.

Those are firsthand taste, fullness, tolerance, and mixability observations. Claims about the current formula below come from the current manufacturer information, not from my subjective test.

Current manufacturer information

Formula & Label

Calories750–770 by flavor
Protein52–55 g by flavor
Carbohydrates100 g+ per serving
Creatine monohydrate3 g
Protein sourceGrass-fed whey protein concentrate
Carbohydrate sourcesOat flour, tapioca, and sweet potato
Servings15 per container

The current calorie and protein totals vary by flavor, so the ranges above are more accurate than presenting one flavor's panel as universal.

What This Product Actually Solves

A mass gainer is mainly a convenient way to add a large amount of calories, protein, and carbohydrates when eating enough food is the limiting factor. It does not replace a consistent calorie surplus or a balanced diet.

The built-in 3 g creatine dose is useful, but it is still important to count creatine from any other daily supplement rather than treating each product in isolation.

Taste, Fullness & Mixability

Flavor testedSweet Vanilla and Chocolate Glaze Donut
My preferenceSweet Vanilla
FullnessRoughly two to three hours in my experience
MixabilityNot especially good

Pros & Cons

Pros

  • Large calorie and protein contribution in one serving
  • More than 100 g carbohydrates per serving
  • Includes 3 g creatine monohydrate
  • Mild flavor in the two options I tested
  • No bloating in my experience

Cons

  • Only 15 full servings per container
  • Full serving can be very filling
  • Mixability was not especially good in my test
  • Easy to overshoot calories if intake is not planned
  • Not suitable for someone avoiding dairy

Who Should Buy—or Skip

Consider it if

  • You struggle to maintain a calorie surplus with food alone
  • You want protein and carbohydrates in one convenient shake
  • You can fit a large serving into your daily calorie target

Skip it if

  • You already reach your calorie and protein targets comfortably
  • You prefer smaller, lighter shakes
  • You need a dairy-free or vegan product

How I Would Use It

Use only enough to close the gap between your normal food intake and a sustainable calorie surplus. A partial serving can make more sense than forcing the full serving at once, especially if fullness or mixability becomes a problem.

Sources & Evidence
  1. Transparent Labs Mass Gainer product page and current label — Current formula, serving, and flavor ranges.
  2. FitFrek hands-on testing — Taste, fullness, tolerance, and mixability observations.

Final Verdict

Transparent Labs Mass Gainer makes the most sense for someone whose main obstacle is consistently eating enough. The current formula supplies a large calorie, protein, and carbohydrate load without requiring a separate meal.

I liked the mild flavor and did not experience bloating, but the fullness and mediocre mixability are real tradeoffs. Start with the amount your diet actually needs rather than assuming the full serving is automatically better.

Transparent Labs Mass Gainer FAQ

How many calories are in Transparent Labs Mass Gainer?

The current manufacturer page lists 750–770 calories per serving depending on flavor.

How much protein does it have?

The current range is 52–55 g protein per serving depending on flavor.

Does it contain creatine?

Yes. The current formula lists 3 g creatine monohydrate per serving.

Which flavor did I prefer?

I preferred Sweet Vanilla over Chocolate Glaze Donut in my test.

Did it cause bloating?

I did not notice bloating during my own use, but individual tolerance can differ.

Does it mix well?

Not especially well in my experience. A larger shaker or blender and more liquid can help.

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