Brian Leddy Brian Leddy

Winter, the Sun, and Vitamin D

Research shows that vitamin D isn’t just about bones. It modulates the immune system, supports healthy inflammatory responses, and is linked to respiratory infection risk. Low levels also correlate with decreased muscle strength and poorer recovery, weakened bone mineral density over time, shifts in mood and seasonal depressive symptoms, and signs of insulin resistance and metabolic dysfunction. Many of these associations have been documented in clinical and epidemiological studies examining 25-hydroxyvitamin D status.

Read More
Brian Leddy Brian Leddy

Weekend Drift: Why We Fall Off And How To Stop Doing It

Most people crush their routine Monday through Thursday. Then the weekend hits and everything loosens up.

Research shows calorie intake jumps and structure disappears.
You are not struggling with discipline. You are struggling with a change in environment.

Here is how to approach the weekend with intention.

Read More
Brian Leddy Brian Leddy

In the Lab: Building A KICK ASS APP

If you want to get leaner, stronger and build real muscle, there is one undeniable truth: data is king. The people who change their bodies and keep those results are the ones who measure what matters.

Over the last few years, I have searched relentlessly for tools that make this easy. I have tested everything. Right now my clients use a white labeled version of Trainerize. It does many things pretty well, but nothing great.

Read More
Brian Leddy Brian Leddy

Fitness vs Nutrition: If You Had to Pick One, Here's What the Research Says

If you had to choose only one habit to improve your long-term health, the research points in a clear direction. Fitness protects you more than perfect nutrition does. Large cohort studies show that people with high cardiorespiratory fitness live significantly longer, even when their diet or body composition isn’t ideal. Fit individuals who are overweight often have similar mortality risk as lean individuals who exercise consistently.

Meanwhile, people who eat well but don’t train still carry a higher risk of chronic disease and early death. The best results come from combining both fitness and nutrition, but if life gets messy and something slips, make sure it’s not your movement.

Read More
Brian Leddy Brian Leddy

20 Ways to Stay Lean Through the Holidays Without Missing the Fun

With intention, the holiday season can actually be manageable to build momentum. You’ll create better memories when you stay connected to your health, stay on the rails, and keep your goals in sight. Find the balance between enjoying treats and giving yourself grace without slipping into the cycle of overeating and sweets overload.

Read More
Brian Leddy Brian Leddy

Fish Oil, Omega-3, Omega-6, and the Balance That Actually Matters

Fish oil and essential fatty acids are confusing topics for a lot of people. Some claim fish oil is a cure-all. Others say supplements do nothing. The truth sits between these extremes. To understand where fish oil actually fits into health and performance, you need to know how omega-3 and omega-6 fats work and how they interact.

This article explains what matters and what does not, without the exaggerated claims.

Read More
Success Stories Michelle DeForest Leddy Success Stories Michelle DeForest Leddy

Andrew’s Story: A Performance Boost WIN

Andrew’s story centered on developing a performance boost game plan offering expert guidance across fitness, nutrition, sleep, and stress management—a personalized game plan that respected his time, history of injuries, and current demands as a dad and professional.

We put our focus on optimizing 2 major things:

  • Calibrating his movement patterns

  • Building his performance reserve 

Read More
Michelle DeForest Leddy Michelle DeForest Leddy

From Decline to Drive: Ageless Energy at BodyCircuit

Leslie is no longer on the decline—she’s in control. Most importantly, the BodyCircuit framework that she lives by is for good…meaning, she’s going to be able to stick with these habits and routines for the rest of her life.

Read More