Product · October 6, 2026
What a 100-point performance score can and can't tell you
How the Limitless Assessment's 100-point score is built from six pillars, what each tier means, and what a self-reported score cannot tell you.
The Berry Limitless Journal
Evidence over hype.
Research-backed writing on training, nutrition, recovery and longevity — with the sources shown, so you can check the work.
Business
Where a gym's leads actually leak: the math behind the Limitless Calculator
A funnel multiplies, so one 10-point gain is worth different amounts at each stage. The worked math behind the Limitless Calculator, with your own numbers.
October 6, 2026
Fitness
Training around shoulder pain without losing progress
Shoulder pain often means you need to train differently, not stop. The key is identifying what actually bothers your shoulder and systematically working around it.
August 17, 2026
Fitness
Why your step count matters more than your cardio sessions
Step count—the accumulated movement throughout your day—has a different metabolic effect than structured cardio sessions. For fat loss and sustainable training, consistency in low-intensity movement often outperforms occasional hard efforts.
August 10, 2026
Nutrition
How to eat enough protein without living on chicken and rice
Protein is essential for muscle maintenance and bone health, but the standard fitness diet is unsustainable. There are dozens of affordable, tasty sources that fit real life.
August 3, 2026
Nutrition
What to eat before and after training when cutting
Nutrient timing around training matters when you're in a calorie deficit, but not in the way supplement marketing suggests. The real issue is hitting your daily protein target and training hard enough to keep your muscle.
July 27, 2026
Longevity
Resistance training and long-term health outcomes
Resistance training reduces disease risk and improves functional capacity in ways that matter for how you'll live in your 60s, 70s and beyond. The evidence spans metabolic health, fall prevention, and muscle preservation—not because of marketing, but because of how your body adapts to load.
July 22, 2026
Sleep
Sleep and body composition: six hours versus eight
Short sleep duration is associated with weight gain over time, partly because sleeping less alters your metabolic rate. The effect is modest but measurable, and compounds across months and years.
July 22, 2026
Longevity
Zone 2 cardio: what it is, and who it is actually for
Zone 2 cardio is aerobic exercise at 60–70% of your max heart rate, designed to build aerobic base and support recovery. It's useful for longevity and certain health outcomes, but it's not the answer to fat loss or muscle preservation on its own.
July 22, 2026
Supplements
What the Evidence Actually Says About Creatine
Creatine is one of the most studied supplements in sports nutrition. The evidence supports its use for muscle building when combined with resistance training, and safety data shows it does not harm kidney function in healthy people.
July 22, 2026
Nutrition
How Much Protein You Actually Need to Keep Muscle While Losing Fat
Losing weight is easy to measure and easy to get wrong. If you are not deliberately protecting muscle while you diet, a meaningful share of what you lose will be the tissue you spent years building. Here is the practical number, why it works, and how to actually hit it.
July 20, 2026