Sleep is when the structure repairs itself — hormones release, tissue rebuilds, and the brain clears the day's waste. When the rhythm breaks, everything downstream pays: energy, recovery, appetite, focus, mood. This system reads how well that nightly work is actually happening.

How we assess it: your Baseline, how you report sleeping and recovering, and the hormonal and metabolic markers in the Structural Survey that sleep runs on.

Protocols for this system are under clinical review.

Recovery is where effort becomes progress — tissue repairs, inflammation resolves, and the body rebuilds stronger than it was. When recovery lags, training stops paying. This system reads how well your body repairs, and how much load it can actually absorb.

How we assess it: the Survey's inflammation and repair markers, your Baseline, and how you recover from load.

Your nervous system decides whether the day runs on steady power or on alarm. Stuck in stress, everything costs more — sleep, digestion, recovery, patience. This system reads how well you shift between drive and rest, and how much capacity you keep in reserve.

How we assess it: your stress-response questions, resting heart rate at the Baseline, and the cortisol curve in the Survey's saliva sample.

Metabolism is how the body turns food into function — energy, blood sugar, appetite, weight. When it drifts, energy swings, cravings lead, and quiet damage compounds. This system reads how steadily your engine runs between meals and across years.

How we assess it: body composition at the Baseline; fasting glucose, insulin, A1c and lipids in the Survey.

One example: a GLP-1 program, prescribed for appetite and weight control alongside nutrition.

Inflammation is the body's repair signal — useful in bursts, corrosive when it never switches off. You rarely feel the low-grade kind, but it wears on vessels, joints, and energy. This system reads whether your defenses are protecting you or quietly costing you.

How we assess it: hs-CRP and the immune and inflammatory markers in the Survey.

One example: low-dose naltrexone, used to quiet low-grade inflammation.

Hormones are the body's messaging system — drive, mood, muscle, sleep, and confidence all answer to them. Small imbalances read as “just getting older.” This system reads the actual signal levels, so nothing is blamed on age that can be corrected.

How we assess it: a full hormone panel in the Survey — testosterone, estradiol, thyroid, DHEA — read against your Baseline and rechecked over time.

One example: testosterone therapy, calibrated to your levels and monitored, never guessed.

Energy is the budget everything else spends from. When it dips, the cause is rarely willpower — it's fuel, nutrients, oxygen delivery, or rhythm. This system reads where your energy is produced, and where it's leaking.

How we assess it: B12, iron, thyroid and vitamin D in the Survey, and how your energy runs across a day.

One example: NAD+, given to support cellular energy.

Sexual function runs on circulation, hormones, and the nervous system — which makes it one of the body's most honest early indicators. Changes here often speak years before the heart does. This system reads the vascular and hormonal machinery behind reliability.

How we assess it: hormone and vascular markers in the Survey, blood pressure at the Baseline, and your own report.

One example: a PDE5 therapy such as tadalafil, prescribed for reliability and circulation.

Muscle, bone, and connective tissue are the frame everything hangs on — and after thirty, the frame thins unless it's defended. This system reads strength, endurance, and the tissue that holds it together, so training builds instead of breaks.

How we assess it: grip strength and body composition at the Baseline, and the repair and inflammation markers in the Survey.

Focus, memory, and mental endurance are physical performance — fed by blood flow, sleep, and the right raw materials. This system reads what supports the brain you think with today, and protects the one you'll rely on at eighty.

How we assess it: your focus and memory questions, and the metabolic and vascular markers in the Survey that the brain runs on.

One example: NAD+, given to support the brain's cellular energy.

Hair is downstream of a lot: hormones, nutrients, stress, scalp health. Follicles are among the body's most demanding tissues, and they falter early when something upstream is off. This system reads what growth and retention actually depend on.

How we assess it: the Groundwork at Root — Rain's read of the scalp — and the hormonal and nutrient markers in the Survey.

One example: finasteride and minoxidil, oral or topical, prescribed for retention and growth.

Skin is the structure's surface — and a report on what's underneath. Texture, healing speed, and resilience track hydration, nutrients, hormones, and inflammation. This system reads what your skin is being built from.

How we assess it: the skincare specialist's read at Surface, and the hydration, hormonal and inflammatory markers in the Survey.

One example: a tretinoin protocol, prescribed for texture and renewal.

The mouth is a gateway, not a separate department — its bacteria and inflammation reach the heart, the gut, and the immune system. This system reads oral health as part of the whole structure, because the body treats it that way.

How we assess it: your oral health questions and the inflammatory markers in the Survey.

Protocols for this system are under clinical review.