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All the latest articles from our medical experts on testosterone, men's health, and longevity.

Bioidentical hormone replacement therapy for men: Science, safety, and real-world results

Bioidentical hormone replacement therapy for men: Science, safety, and real-world results

Dr. Alexander Grant, MD, PhD avatar
Dr. Alexander Grant, MD, PhD: Urologist & Men's Health Advocate
Nov 28, 2025 · 15 min read

Most prescription testosterone replacement used in men is already “bioidentical.” The hormone molecule is chemically identical to what the testes produce, even as levels commonly decline about 1% per year after age 30 to 40. The real question is whether you have symptomatic, consistently low testosterone and how to dose and monitor therapy to restore ...

Protein gummies: Smart shortcut or sugary trap for your gains?

Protein gummies: Smart shortcut or sugary trap for your gains?

Dr. Bruno Rodriguez, DPT, CSCS avatar
Dr. Bruno Rodriguez, DPT, CSCS: Strength, Recovery, and Physical Therapy Expert
Nov 28, 2025 · 15 min read

Protein gummies can be a smart shortcut for your gains if they help you hit your daily protein target with predictable dosing. They can also be a sugary trap if you treat them like candy, overshoot calories, or let them replace real meals. “For most guys, the muscle building ‘magic’ is not the form of ...

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 · 11 min read

For most sedentary people, a Clif Bar is not a “healthy” snack. It is often a ~250-calorie bar with ~20 grams of added sugar and a refined carbohydrate load that can raise blood glucose and insulin. If it adds calories or replaces a more filling, lower-calorie snack, it may make a calorie deficit harder to ...

Gary Brecka gene test: What DNA methylation really tells you about your health

Gary Brecka gene test: What DNA methylation really tells you about your health

Dr. Susan Carter, MD avatar
Dr. Susan Carter, MD: Endocrinologist & Longevity Expert
Nov 27, 2025 · 15 min read

DNA methylation tests estimate biological age and population-level risk patterns, but they cannot diagnose disease or reliably tell you which supplements you need. They measure methyl groups attached to cytosine at thousands of CpG sites and use algorithms (epigenetic clocks) to generate scores. Here’s how to read a Gary Brecka style methylation report without overpaying ...

Andrew Huberman sleep cocktail: What it is, what works, and what to skip

Andrew Huberman sleep cocktail: What it is, what works, and what to skip

Dr. Jonathan Pierce, PhD avatar
Dr. Jonathan Pierce, PhD: Clinical Psychologist & Neuroscience Specialist
Nov 26, 2025 · 15 min read

The Huberman sleep cocktail is a sleep supplement stack that typically includes magnesium, L-theanine, and apigenin, sometimes with inositol. Evidence is strongest for magnesium and L-theanine, while apigenin and low-dose inositol have limited direct sleep data. Here is what each ingredient does, what research supports, and how to use it safely. “The Huberman sleep cocktail ...

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