Glenn Koslowski

Glenn Koslowski is a well known coach that has worked with many world class athletes and celebrities when they need to peak for a sports event, movie or photo shoot. With over 15 years of experience in nutrition and training, he always brings his clients to their best shapes and highest athletic abilities in the shortest possible time.

Hypertrophy vs. Strength: why chasing one can hurt the other

For many lifters, the lines between training for size and training for strength are blurred. Social media has glamorized the idea that you can (and should) train for both: max out your deadlift and build boulder shoulders in the same program. But if you’re not careful, pursuing both goals simultaneously can leave you spinning your […]Read More

Using DNP responsibly (yes, that’s possible)

DNP (2,4-Dinitrophenol) is one of the most powerful fat-loss agents ever used, and one of the most dangerous. Originally used in the 1930s, it was banned due to associated deaths. Yet it remains quietly used in underground bodybuilding circles. This isn’t an endorsement. It’s a look at how some experienced users manage risk, and why […]Read More

The cost of size: can bodybuilding hurt longevity?

We could say, all other things being equivalent, that bodybuilding celebrates size: the bigger, the better. But as the stage lights go out and the adrenaline of competing fades, a darker question comes up: what does it cost to build and maintain that much muscle? While bodybuilding can represent discipline, search for aesthetics, and performance, […]Read More

Anabolic resistance: can you become less responsive to PEDs?

You’re taking more, but feel like you’re getting less. In the world of performance-enhancing drugs (PEDs), early cycles often feel magical: tremendous strength, full muscle bellies, insane recovery. But as the years go by, those same compounds deliver diminishing returns. You increase the dose, add more compounds, extend your cycles… and still don’t see the […]Read More

Dry scooping: why you might want to avoid it

In recent years, a fitness trend called dry scooping has gained popularity on social media platforms. This practice involves consuming pre-workout supplements in their dry, powdered form without mixing them with any liquids, followed by gulping down water afterward. While some claim it enhances the effects of the supplement, health experts warn that dry scooping […]Read More

The end of bro splits? Why full-body workouts may work better

For years, the “bro split”, a.k.a. chest on Monday, back on Tuesday, arms on Wednesday and so forth, dominated gyms worldwide. It made perfect sense: focus on one muscle group at a time, annihilate it, rest, grow. But today, a growing wave of athletes, bodybuilders, and fitness professionals are abandoning the bro split in favor […]Read More

Vascularity: PEDs, Nitric Oxide and blood volume

Vascularity (especially those roadmap veins snaking across your arms), even if intuitively, has become one of the most sought-after signs of conditioning in bodybuilding. But behind that “peeled” look is some complex physiology. Veins don’t pop just because of low body fat; they’re the visible product of blood flow, plasma volume, nitric oxide signaling, and […]Read More

Minimalist muscle: a great physique with only 3 exercises

In an era of endlessly complex workout splits, isolation exercises, and Instagram-hyped “secret techniques” we’ve lost sight of what actually builds an impressive physique: focused effort on fundamental simple movements with proper overload. This isn’t about being lazy. It’s about being precise, cutting any wasted efforts and focusing on the movements that give you the […]Read More

Mitochondria and performance:  how to train for more cellular energy

Mitochondria are like microscopic engines inside our cells, or the tiny power plants that convert nutrients into usable energy (ATP). While they often get mentioned in the context of endurance sports or health discussions, mitochondria are actually extremely important to nearly every aspect of athletic performance: strength, power, recovery, body composition, and longevity. Whether you’re […]Read More

Lactic acid: more than just metabolic waste

Lactic acid, long blamed for muscle burn and post-workout soreness, has been misunderstood for decades. Traditionally seen as a “waste product” of anaerobic metabolism, lactate has been for decades the villain in fatigue and poor performance. But what if the science has changed? Research suggests that lactate is not just a byproduct, but a powerful […]Read More