Guide Library

Decisions first. Content second.

The guide layer exists to help men make better repeatable decisions: what to buy, what to ignore, what to train, and what systems survive a normal life.

As of April 2026, the Iron & Threads guide library is organized around two systems: Threads for premium menswear decisions and Iron for healthspan, training, recovery, and nutrition topics. The current public database contains 11 active brand profiles and 12 featured Iron guide topics. Source: Iron & Threads canonical data.

Threads

Premium menswear brand decisions.

Start with the active brand database, then move into published reviews, fit notes, fabric behavior, and product-specific testing.

Reviews

What has actually earned a verdict.

Published reviews are separated from in-progress pages so readers know what is final and what is still being tested.

Iron Topics

The healthspan operating system.

Foundation

Habit Architecture

Environmental design, implementation intentions, and repeatable systems that make consistency more likely than failure.

Foundation

Meal Prep System

A practical meal prep system for men over 40 built around protein anchors, vegetables, Sunday prep, a Wednesday reset, no-cook backups, and emergency restaurant rules.

Foundation

Protein Prioritization

Protein targets, meal timing, and satiety strategy for men fighting muscle loss and snack drift.

Foundation

Caffeine Cutoff

Caffeine half-life, deep sleep protection, and practical cutoff protocols for recovery.

Foundation

Fatherhood Conditioning

Movement built into family life: carries, play, stroller work, walking, and practical conditioning.

Capacity

Metabolic Preservation

Resistance training as the baseline intervention for muscle, metabolism, and function after 30.

Capacity

Home Gym Design

Minimal equipment setups that reduce commute friction while keeping progressive overload possible.

Capacity

Zone 2 Training

The aerobic base for mitochondrial work, fat oxidation, stroke volume, and long-term capacity.

Capacity

Foundational Calisthenics

Pushups, pullup progressions, carries, rows, and bodyweight movements when equipment is limited.

Performance

Zone 5 / VO2 Max

Precise high-intensity intervals used sparingly for VO2 max and upper-end cardiovascular capacity.

Performance

Tactical Nutrition

Macros, food swaps, protein, fiber, and practical substitutions without diet tribalism.

Performance

Autonomic Regulation

Breathwork, NSDR, downshifting, and practical stress protocols for recovery and focus.