Weekly nutrition & training coach driven by InBody 770 scans

Problem / gap

The InBody 770 captures uniquely rich body-composition data — intracellular/extracellular water (ICW/ECW), ECW/TBW ratio, whole-body and segmental phase angle, and segmental lean mass — across 6 frequencies and 5 body segments. But no software turns that into an adapting program.

The only existing solution that takes 770 scan data and produces nutrition recommendations is InBody's own Diet Guide (in the InBody App, backed by LookinBody Web). It collapses the scan into a one-shot calorie/macro number derived from BMR. It does not generate a meal plan, does not use the 770's signature water/phase-angle/segmental signals for nutrition, and is not a recurring, adapting program.

No third-party app or website does automated 770-driven nutrition at all — every other "InBody nutrition" workflow routes through a human coach or a manual ChatGPT copy-paste.

The idea

An app/website that:

1. Ingests InBody 770 scans via the LookinBody Web API (`Account` + `API-KEY` headers, `/user/test` endpoint, webhook fires on each new scan).
2. Generates a structured weekly program covering both nutrition (calorie/macro targets → 7-day meal plan + grocery list, protein floored to lean mass) and training (split, volume, intensity, target segments), tied to the user's goal.
3. Recalibrates from the next scan, learning the individual's actual response rate.

Why it's defensible

It uses the 770's signature signals that camera-scan and scale-based competitors physically cannot access:

| 770 signal | Drives each week |

|---|---|

| Fat/lean-mass delta | Calorie + macro adjustment |

| ECW/TBW shift | Distinguishes real fat loss from water/inflammation — don't over-cut on a fluid swing |

| Phase angle (whole + segmental) | Training readiness — how hard to program the week |

| Segmental lean | Which body parts the week's training targets |

| Visceral fat, BMR | Goal pacing + baseline energy budget |

The weekly adjustment engine (a real energy-balance + lean-preservation model) computes the numbers; an LLM writes the meal plans and explains the week — the LLM never invents the figures.

Wedge

Target the people already getting 770 scans at gyms/clinics who walk away with a printout and no plan: *"Connect your InBody scan, get your week."* Cheap to acquire via gym/clinic channel partners; they've already self-selected as willing to pay.

Build strategy

No hardware. Scan layer = buy (LookinBody Web API). Build = the weekly composition-aware engine + LLM coaching layer.

Competitive scan (verified)

• InBody Diet Guide — only real 770→nutrition tool; one-shot macro calculator, no meal plan, no weekly adaptation.
• BodyMax AI / Zing / FitCommit — photo-based scans, not 770 data.
• TrainerMetrics / EGYM / Technogym / Milon / Myzone — integrate the real 770 via LookinBody, but only as a dashboard for a human coach; no automated scan→nutrition engine.
• "InBody + ChatGPT" gym guides — a manual workaround, evidence of unmet demand.