Posts in 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.

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 will not melt fat away on its own, but it can help you train harder, keep more muscle during a cut, and improve how your body looks at the same body weight if you use it the right way. “People ask me all the time, ‘does creatine help you lose weight or make you ...

Are Quest Bars healthy or just better junk food?

Are Quest Bars healthy or just better junk food?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 24, 2025 · 15 min read

Quest protein bars promise high protein, low sugar, and big flavor. Here is what their nutrition label really means for your weight, blood sugar, and long‑term health. “When patients ask me if quest bars are healthy, I tell them this: they are a big upgrade from a candy bar, but they are still a processed ...

Rowing machine muscles worked: how one stroke trains almost your entire body

Rowing machine muscles worked: how one stroke trains almost your entire body

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 23, 2025 · 10 min read

While often mistaken for an upper-body exercise, the rowing stroke is a sophisticated power movement that engages 86 percent of the body’s muscle mass. Here is the clinical breakdown of the muscles a rower works and how to optimize your form for maximum benefit. “Many patients assume rowing is an arm workout, but bio-mechanically, it ...

Celsius caffeine vs Red Bull: which energy drink is really better for your body?

Celsius caffeine vs Red Bull: which energy drink is really better for your body?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 23, 2025 · 14 min read

Celsius and Red Bull promise quick energy, but their caffeine, sugar, and stimulant blends hit a man’s heart, metabolism, and hormones in very different ways. Here is how to choose the lesser risk — or skip both when you should. “When men ask me about Celsius caffeine vs Red Bull, I tell them to think ...

Are perfect bars healthy or just clever marketing?

Are perfect bars healthy or just clever marketing?

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 22, 2025 · 9 min read

Convenience foods promise protein and weight loss, but ingredients lists often hide sugar spikes and chemical sweeteners. An endocrinologist breaks down the metabolic impact of today’s most popular fitness snacks. “We often see patients adhering to strict workout regimens but stalling in their metabolic health goals because their ‘recovery fuel’ is essentially dessert in disguise. ...

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