Fitness & physical performance

Train with your hormones, not against them. We cover strength, hypertrophy, VO2 max, recovery, and injury prevention through an endocrine lens. Discover how training, nutrition, and daily activity can impact testosterone levels and support natural balance. Use estradiol balance for joint health, plan sleep taper cycles before competitions, and turn smart physiology into new PRs.

Are Clif Bars healthy or just clever marketing?

Are Clif Bars healthy or just clever marketing?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 27, 2025 · 10 min read

For most sedentary people, a Clif Bar isn’t a “healthy” snack—it’s often a ~250‑calorie, ~20‑gram sugar glucose load that can spike insulin and blunt lipolysis (fat burning). Here’s how to read the ingredient matrix and know when a bar is functional fuel versus candy with a halo. “Most patients treat protein bars as a free ...

Creatine gummies vs powder: Which works better and when to use each?

Creatine gummies vs powder: Which works better and when to use each?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 27, 2025 · 12 min read

Creatine gummies and creatine powder work equally well when they deliver a clinically effective dose of creatine monohydrate (about 3–5 g/day), because your muscles respond to the same increase in phosphocreatine that helps regenerate ATP for short, intense efforts. The real differences come down to cost, convenience, and added ingredients like sugar — and which ...

Neutral grip pulldown: How to build your back while protecting your shoulders

Neutral grip pulldown: How to build your back while protecting your shoulders

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 26, 2025 · 9 min read

A neutral-grip pulldown builds back width with lat activation comparable to a wide, palms-forward pulldown, but it’s more shoulder-friendly because it avoids the “high five” position (abduction + external rotation) and maintains more subacromial space for the rotator cuff. Here’s how turning your hands to face each other can “unjam” the joint so you can ...

Hydrogen water bottle benefits: Hype, risks, and what the science actually says

Hydrogen water bottle benefits: Hype, risks, and what the science actually says

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 24, 2025 · 15 min read

Hydrogen water bottles dissolve extra molecular hydrogen (H₂) into water, and early small human studies suggest modest reductions in oxidative-stress markers and post‑exercise fatigue via a “selective antioxidant” effect—not the dramatic recovery, focus, or anti‑aging results often marketed. Here’s how these devices generate H₂, what the research and real-world risks show, and how to decide ...

Does creatine help you lose weight or just add water weight?

Does creatine help you lose weight or just add water weight?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 24, 2025 · 14 min read

Creatine doesn’t directly burn body fat, and it often causes a small early increase on the scale because it pulls water into muscle cells as muscle creatine stores rise about 10%–40%. That same ATP-recycling boost can help you train harder and retain lean mass during a cut, improving body composition even if the scale doesn’t ...

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