Men’s Health, Hormone & Performance Insights

The Fit and Fine Health Blog shares expert guidance from Dr. David Hall—combining medical insight, real-life experience, and practical strategies to help you live stronger and healthier.

How Much Protein Do Men Really Need to Build Muscle? Protein, Testosterone, Leucine, and Muscle Growth

How much protein should active men really eat? Learn how protein intake, leucine, muscle protein synthesis, resistance training, testosterone, and lean mass work together—and why the standard protein RDA may be too low for men focused on muscle growth and body composition.

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Metabolic Health David Hall Metabolic Health David Hall

The FDA Just Approved a Myostatin Inhibitor. What Does That Mean for Muscle, Weight Loss, and the Future of Metabolic Health?

The FDA has approved the first therapy targeting myostatin biology, a pathway that acts as a natural brake on muscle growth. Here’s what the clinical trials show — and why myostatin inhibition could eventually change how we approach muscle preservation, GLP-1 weight loss, sarcopenia, and metabolic health.

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David Hall David Hall

Do I Have Low Testosterone? 7 Signs Men Shouldn’t Ignore

Do I Have Low Testosterone? 7 Signs Men Shouldn’t Ignore

You’re more tired than you used to be. Workouts don’t seem to produce the same results. Maybe you’ve gained weight, lost some motivation, or noticed changes in your sex drive.

Is it just getting older—or could you have low testosterone?

Low testosterone (Low T) can cause a variety of symptoms in men, but many of those symptoms can also come from poor sleep, excess weight, stress, metabolic problems, medications, or other medical conditions.

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