Tenure Editorial

Fitness Writing for Men Who've Already Built Something

Evidence-based. No shortcuts. No noise. Just what actually works after 40.

Hormones May 30, 2026 12 min read

Testosterone and Strength Training After 40: What Every Man Needs to Know

Testosterone drops roughly 1% per year after 40. Here's the research on why strength training is the #1 natural intervention — and how to structure your training to move the needle.

Read the guide →
Nutrition May 14, 2026 11 min read

Protein, Nutrition, and Body Composition After 40: What the Science Actually Says

Protein requirements don't stay the same after 40. Here's the research on leucine thresholds, anabolic resistance, per-meal targets, micronutrients that decline with age, and practical meal frameworks for men who train.

Read the guide →
Recovery May 12, 2026 11 min read

Why Recovery Matters More After 40: The Science of Sleep, Stress, and Muscle Growth

You don't build muscle in the gym — you build it during recovery. Here's what changes about sleep architecture after 40, why cortisol and testosterone collide, and the protocols that actually help.

Read the guide →
Training May 11, 2026 12 min read

The Complete Guide to Building Muscle After 40: What Actually Works

Most fitness advice is written for 25-year-olds. Here's what the research actually says about muscle building when testosterone is declining and recovery takes longer.

Read the guide →