Equipment Reference
Casey Means MD
Good Energy (Hardcover)
Casey Means on metabolic health as the root of chronic disease
The #1 NYT bestseller arguing that most chronic disease is downstream of impaired cellular energy — and that five cheap biomarkers plus food, sleep, and movement beat a drawer of boutique supplements. More metabolic-clinic than Outlive’s exercise-first framing. Pair with our glucose and CGM guides; treat Levels-adjacent marketing as optional, not required.
Typical price: $22 – $32 USD
How It Works
Popular synthesis of mitochondrial / insulin-resistance literature. Strongest when it pushes labs and walking; weaker where a wearable company is the implied solution. Not a substitute for lipids, ApoB, or a clinician if you already have diabetes.
Five Biomarkers
Fasting glucose, triglycerides, HDL, waist, blood pressure — a cheap metabolic snapshot before you buy NMN.
Food Principles Over Tribes
Six rules that work whether you are vegan or carnivore: real food, fiber, minimize ultra-processed seed-oil sludge.
Four-Week Plan
Sleep, circadian light, walking, and a kitchen reset. The book is the why; our spike-control guide is the daily how.
What You'll Experience
Reading
1–2 weeksMost readers order a basic metabolic panel and start a 10-minute post-meal walk before finishing.
Kitchen
Month 1Ultra-processed snacks drop first. CGM is optional curiosity, not a prerequisite.
Benefits
Metabolic Literacy
Moderate EvidenceConnects fatigue, mood, and fertility to the same energy-production story.
Cheap First Labs
Strong EvidencePushes standard bloodwork before a $200/month stack.
Risks & Considerations
Company Overlap
low riskMeans founded Levels. Use the food advice; you do not need their CGM subscription.
Not Oncology or Psych Treatment
medium riskMetabolic framing does not replace cancer care or psychiatric care.
Community Reviews
Synthesized consensus from Reddit, forums, and expert sources.
Praised as a metabolic wake-up call; critics note Levels overlap and a US-clinic lens. The biomarker list is the part people keep.
- ·#1 NYT
- ·Five biomarkers
- ·Walk after meals
Learn More: Full Guides
Cognitive EnhancementNootropics: The Complete Beginner's Guide
Nootropics, 'smart drugs' and cognitive enhancers, range from daily coffee to prescription modafinil. This guide covers the evidence-backed tier list, the caffeine + L-theanine stack, mushroom nootropics, and why sleep beats any pill.
Read guide
Cognitive EnhancementBreathwork: The Complete Guide
Breathwork is the most accessible biohack, free, immediate, and backed by real physiology. From Wim Hof's hyperventilation cycles to Navy SEAL box breathing, controlled breathing shifts autonomic state in minutes. This guide covers protocols, mechanisms, and building a daily practice.
Read guideLast updated: 2026-09-21 · Informational only. Not medical advice. Health disclaimer.