EFF’N™ CUT!

$54.99

Powered by Theolim™ — Clinically shown to ignite 3.2× calorie-burning power at rest1

Extreme Energy + Intense Focus — Instant lift for training or daily grind2

FZZR™ Technology — Rapid activation with bold sensory impact

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available exclusively at GNC

product description

EFF’N™ CUT! is built to crank up your metabolism and sharpen focus with FZZR technology for results you’ll feel fast! Each serving delivers Theolim™ for powerful calorie burning and caffeine to give you the energy and focus you need to own your grind.

 

SUPPLEMENT FACTS

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30-Days

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2-3 Days

Consumer Reports Study Finds MuscleTech The Only Protein Powder With No Detectable Lead*

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*From Consumer Reports’ October 2025 testing. MuscleTech 100% Mass Gainer showed no detectable lead. 

product overview

next gen calorie-cutter exclusive to muscletech

Ignite Your  Metabolism for Powerful Calorie Cutting

EFF’N™ CUT!   is formulated with Theolim™, an exclusive next-generation compound clinically shown to ignite 3.2x the  calorie-burning power at rest—starting with the very first dose. This thermogenic botanical extract (from Citrus aurantifolia fruit rind + Theobroma cacao seeds) delivers rapid results in a once-daily, low-dose format.

  • delivers a rapid metabolic boost

Triggers calorie burning rapidly, making EFF’N™ CUT!  a potent addition to your training program.

Theolim™ gives EFF’N™ CUT!   a unique thermogenic punch—delivering results through cellular metabolic activation, not just stimulants.

¹ In a clinical study, test subjects who consumed one dose of a key ingredient in EFF’N™ CUT! burned 3.2x the calories after 180 minutes, compared to when using a placebo (0.26 kcal/min vs. 0.08 kcal/min). In a separate study, test subjects who consumed the same ingredient at weeks 0, 8 and 16 burned 15x (0.18 kcal/min vs. 0.012 kcal/min), 11x (0.16 kcal/min vs. 0.015 kcal/min) and 7x (0.22 kcal/min vs. 0.03 kcal/min) the calories after 180 minutes compared to when using a placebo.


² EFF’N™ CUT! contains caffeine anhydrous to enhance alertness, helping you feel energized and improve focus. In short-term studies, research shows that caffeine can help temporarily promote increased energy expenditure (calorie burning).

the science

3.2x The Calories Burned

In clinical study test subjects who consumed one dose of a key ingredient in EFF’N™ CUT!  burned 3.2x the calories after 180-minutes compared to placebo (0.26 vs 0.08 kcal/min).

In a second study, test subjects who consumed the same ingredient at weeks 0, 8 and 16 burned 15x (0.18 vs 0.012 kcal/min), 11x (0.16 vs 0.015 kcal/min) and 7x (0.22 vs 0.03 kcal/min) the calories after 180-minutes compared to placebo. 

How TO uSe

Take 1 serving (1 sachet) daily in the fasted state. Pour the beadlets into 8 oz. of water, stir gently and wait until they dissolve completely before re-applying your cap or lid. Do not exceed 1 serving (1 sachet) in a 24-hour period. Maintain an adequate state of hydration during use. Read the entire label before use and follow directions provided.

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