Defiant Unleashed - Halloween Edition is the best selling limited edition pre-workout of the year. With thousands of units selling out every year, it won't last long. This formula is so strong, it doesn't come around often so get it before it's gone.

Monster Mash is a limited edition flavor, most similar to a sour gummy candy. This flavor is a one of a kind, most requested flavor in MuscleForce history. Get it while you can.


4th of July Edition is a brand new limited edition flavor!  This Pre-Workout is loaded with American Pride, and delicious flavor that explodes like fireworks.

Our best selling, and strongest formula of all time is back for this 'Merican bred and built product. There's no wokey pokey, snow flake B.S. in this product. Just bald eagle screachin' freedom! Get it while supplies last.

Prepare to be lasered in during your workout like you're looking through a red-dot scope at terror-seeking bad guys.

$ 49.95