Course 3 of 5

Build Your First Protocol

Design a personalized, evidence-based longevity protocol step by step — from assessing your baseline to choosing interventions, setting a realistic budget, and tracking outcomes over time.

📖 5 lessons⏱ ~35 minutes📊 Intermediate🔓 100% free
Lesson 1 of 5

Assess Your Baseline

Where Are You Starting From?

A protocol without a baseline is guesswork. Before choosing a single intervention, you need to understand your current state across multiple dimensions. This isn't about perfection — it's about identifying your highest-leverage starting points.

The Four-Part Assessment

1. Functional fitness baseline: Estimate or measure your VO₂ max (even a rough estimate from a timed walk/run), test your grip strength, assess your flexibility and balance, and note your current exercise volume and type. These functional markers are among the strongest predictors of healthspan.

2. Metabolic snapshot: Get the Tier 1 blood panel from Course 2 (fasting insulin, HbA1c, ApoB, hsCRP, fasting glucose). If you can't get bloodwork immediately, body composition, waist circumference, and resting heart rate provide rough proxies.

3. Lifestyle audit: Honestly assess sleep duration and quality, dietary patterns, stress levels, social connection, and substance use. The Longevity Score assessment covers all of these in a structured format.

4. Family history scan: Identify the conditions that run in your family — cardiovascular disease, cancer, neurodegeneration, metabolic disorders. These inform which hallmarks of aging deserve extra attention in your protocol.

Key Concept

Your weakest dimension is your highest-leverage target. The person sleeping 5 hours a night gets more benefit from fixing sleep than from adding any supplement. The person with zero exercise gets more from a walking routine than from optimizing their omega-3 intake. Always start where the gap is largest.

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Longevity Score Assessment
40-question assessment across 10 dimensions — find your weakest link
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Knowledge Check
What's the primary purpose of establishing a baseline before building a protocol?
To determine which supplements to buy first
To identify your highest-leverage starting points and track progress
To calculate your exact biological age
To compare yourself to longevity experts
Correct. A baseline serves two purposes: it reveals which dimensions of health have the most room for improvement (your highest-leverage targets), and it gives you a reference point to measure whether your interventions are actually working over time.
Lesson 2 of 5

The Intervention Pyramid

Prioritize by Evidence and Impact

Not all longevity interventions are created equal. We organize them into a pyramid where the base provides the most benefit for the least risk and cost, and the peak represents higher-cost, higher-risk, or more experimental approaches.

Base: Lifestyle Foundations ($0/month)

Exercise (Zone 2 + resistance training), sleep optimization (7-9 hours, consistent schedule), nutrition (adequate protein, whole foods, limited ultra-processed food), stress management, and social connection. These interventions have the strongest evidence, zero cost, and affect the most hallmarks of aging. If you do nothing else, do these.

Middle: Evidence-Based Supplements ($20–100/month)

Once the lifestyle base is solid, select supplements based on your specific gaps: vitamin D (if below 40 ng/mL), omega-3s (if not eating fatty fish 2-3x/week), magnesium (most people are suboptimal), creatine (emerging cognitive and physical benefits). Each should address a documented deficiency or gap, not a general "boost."

Upper: Targeted Interventions ($100–500/month)

Advanced testing (epigenetic clocks, comprehensive bloodwork), pharmaceutical interventions under medical supervision (metformin, rapamycin — both still under research for longevity), and specialized protocols based on your risk profile and biomarker data.

Peak: Experimental ($500+/month)

Cutting-edge interventions like senolytics, peptides, NAD+ precursors at clinical doses, hyperbaric oxygen therapy, and novel compounds. These have the least evidence in healthy humans and the highest cost. Only consider these after optimizing everything below.

Evidence Note

The pyramid reflects a principle called diminishing marginal returns. Moving from zero exercise to regular walking provides a larger mortality reduction than adding any supplement to an already-active lifestyle. Each tier up provides less incremental benefit relative to cost and risk.

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Protocol Comparison Tool
Compare approaches side by side — lifestyle, supplement, and pharmaceutical protocols
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Knowledge Check
According to the intervention pyramid, when should you consider supplements?
Immediately — supplements provide the most measurable benefits
After lifestyle foundations (exercise, sleep, nutrition) are established
Only if you have a specific disease or diagnosed deficiency
Supplements are unnecessary if your diet is good
Correct. The pyramid places lifestyle foundations at the base because they have the strongest evidence and greatest impact. Supplements sit in the middle tier — they address specific gaps after the fundamentals are in place, but they can't compensate for poor sleep, no exercise, or chronic stress.
Lesson 3 of 5

Choosing Supplements Wisely

The Evidence-First Approach

The supplement industry generates approximately $60 billion annually in the US alone, and much of it is driven by marketing rather than evidence. For longevity protocols specifically, only a handful of supplements have evidence strong enough to justify routine use.

The Short List (Grade A–B Evidence)

  • Vitamin D3 — if blood levels are below 40 ng/mL. Dose: 2,000–5,000 IU/day, titrated by blood level. Grade A for bone health, Grade B for immune modulation.
  • Omega-3 (EPA/DHA) — if not eating fatty fish 2-3x/week. Dose: 1–2g combined EPA/DHA. Grade A for cardiovascular risk in at-risk populations.
  • Magnesium (glycinate or threonate) — most adults are suboptimal. Dose: 200–400mg elemental. Grade B for sleep, metabolic health, cardiovascular function.
  • Creatine monohydrate — Grade A for strength/muscle preservation, Grade B for cognitive benefits (especially in aging populations). Dose: 3–5g/day.

The "Promising but Watch" List (Grade B–C)

  • Collagen peptides — emerging evidence for joint and skin health. 10–15g/day.
  • Urolithin A — mitochondrial health via mitophagy. Early human trial data is positive.
  • Coenzyme Q10 — particularly if on statins. May support mitochondrial function.

How to Evaluate a Supplement

Before adding anything to your protocol, run through this checklist: Does it address a specific, documented gap in your health or bloodwork? What evidence grade does it carry (A, B, C, or D)? Is it from a third-party tested brand (USP, NSF, ConsumerLab verified)? Does it interact with any medications or other supplements you're taking? Can you measure its effect through biomarkers or functional tests?

Key Concept

One at a time. When starting supplements, add one new compound every 2–4 weeks. This lets you identify any side effects, track individual impact, and avoid the common trap of a 12-supplement stack where you can't tell what's doing what.

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Supplement Evidence Database
Evidence grades for 40+ compounds — see the research behind every recommendation
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Supplement Interaction Checker
Check for dangerous combinations before adding to your stack
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Knowledge Check
What's the recommended approach when starting new supplements?
Start everything at once to maximize benefits from day one
Only start supplements if your doctor specifically prescribes them
Add one new supplement every 2–4 weeks to track individual effects
Start with the most expensive supplements first since they're usually better quality
Correct. Staggering supplement introduction by 2–4 weeks allows you to identify side effects, assess tolerance, and potentially measure individual impact. Starting multiple supplements simultaneously makes it impossible to attribute any changes — positive or negative — to specific compounds.
Lesson 4 of 5

Budgeting Your Protocol

The Real Cost of Longevity

One of the biggest barriers to longevity optimization is the perception that it requires thousands of dollars per month. The truth: the most impactful interventions are free or nearly free. Here's what different budget tiers actually look like.

Tier 1: Lifestyle Only ($0/month)

Walking 30+ minutes daily, bodyweight exercises 2-3x/week, consistent 7-9 hour sleep schedule, Mediterranean-style eating pattern emphasizing whole foods, stress management through meditation or journaling, and maintaining social connections. Evidence impact: covers approximately 80% of achievable longevity benefit.

Tier 2: Foundation Supplements ($30–60/month)

Everything in Tier 1 plus vitamin D3 (~$8/month), magnesium glycinate (~$10/month), omega-3 fish oil (~$15/month), and creatine (~$10/month). Annual bloodwork (~$150/year, or ~$13/month amortized).

Tier 3: Optimized ($100–250/month)

Tiers 1–2 plus a gym membership or home equipment (~$40–80/month), comprehensive quarterly bloodwork (~$50/month amortized), additional targeted supplements based on biomarker results, and possibly a wearable (Oura/Whoop/Apple Watch — $10–30/month amortized).

Tier 4: Advanced ($500–1,000/month)

Everything above plus epigenetic testing (1–2x/year), specialist consultations, expanded supplement protocols, and advanced interventions under medical guidance.

The Diminishing Returns Curve

Moving from $0 to $50/month captures the majority of supplement-related benefit. Moving from $50 to $500 adds incrementally. Moving from $500 to $5,000 adds very little additional expected benefit relative to cost. The cost-benefit curve flattens dramatically above Tier 3.

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Protocol Cost Calculator
Price out your protocol tier by tier — see where the 80/20 sits
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Knowledge Check
Where does the cost-benefit curve flatten most dramatically?
Between $0 and $50/month — the cheapest supplements add minimal value
Between $50 and $100/month — the middle tier has the least value
Above ~$250/month — each additional dollar buys less incremental benefit
It doesn't flatten — more spending always equals proportionally more benefit
Correct. The relationship between spending and longevity benefit follows a logarithmic curve. The free lifestyle interventions provide the largest benefit. Foundation supplements ($30–60/month) add meaningfully. Beyond roughly $250/month, each additional dollar yields progressively smaller returns.
Lesson 5 of 5

Track, Iterate, Optimize

Your Protocol Is a Living Document

A longevity protocol isn't something you build once and forget. It's a system that evolves as you age, as new evidence emerges, and as your biomarkers and life circumstances change. The final skill is knowing how to track, evaluate, and adjust.

What to Track

Biomarkers: Retest key blood markers every 6–12 months. Look for trends, not individual readings. A single elevated hsCRP reading might mean you were fighting a cold; three consecutive elevated readings indicate a genuine inflammatory pattern.

Functional metrics: Test VO₂ max or proxy metrics (timed runs, step tests) every 3–6 months. Track grip strength. Monitor resting heart rate and heart rate variability if using a wearable. These often show improvement faster than blood markers.

Subjective markers: Energy levels, sleep quality, cognitive clarity, recovery time, mood stability. These aren't "soft" data — they correlate with objective biomarkers and capture aspects of healthspan that lab tests miss.

How to Iterate

Change one variable at a time and give each change 8–12 weeks before evaluating. If you change your exercise routine, adjust your diet, and add two supplements simultaneously, you'll have no idea what produced any observed changes.

When a biomarker isn't moving, ask: Is the dose adequate? Is the intervention actually evidence-based for this specific marker? Is something else (sleep, stress, diet) undermining the intervention? Have I given it enough time?

Key Concept

The n=1 experiment, done well. You are running a single-subject experiment on yourself. The same scientific principles apply: change one variable at a time, measure consistently, give adequate time, and interpret results in context. This is how you build a protocol that actually works for your biology, not just in theory.

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My Longevity Dashboard
Track biomarkers, bio age, and protocol adherence over time
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⚗️
AI Protocol Builder
Generate a personalized protocol based on your goals and constraints
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Knowledge Check
When evaluating whether an intervention is working, how long should you typically wait before assessing?
1–2 weeks — most interventions show effects quickly
4 weeks — a month is the standard evaluation period
8–12 weeks — enough time for biological adaptation and measurable change
6 months minimum — anything shorter is too early to judge
Correct. Most biological adaptations — improved insulin sensitivity, changes in inflammatory markers, cardiovascular fitness improvements — require 8–12 weeks to become measurable. Evaluating too early risks abandoning an effective intervention before it has time to produce results.