Chronic load shifts the balance between sympathetic and parasympathetic tone. Heart-rate variability and vascular response reveal the imbalance before the patient feels it.
Sustained autonomic strain reshapes energy use, fluid distribution and lean mass. Bio-impedance maps the metabolic cost long before standard labs move.
Integrates autonomic, neurological, endocrine, metabolic, inflammatory and body composition biomarkers to predicte health risk, personalized interventions, and monitor functional longevity.
Not sure which layer your practice needs to start with? Take the 30-second quiz below.

PPG Stress Flow
ANS Control
ANS assessment report
HRV & sympathovagal balance
Complete Biofeedback System
Vascular Health Map
Stress & autonomic regulation
HRV & sleep medicine
Entry-level FLM practices

PPG Stress Flow
ANS Control
BIA-ACC
HEG
Predictive Health Index
Full AI report suite
Brain flow and metabolism
Complete Neurofeedback System
Longevity & preventive medicine
Executive health programs
Advanced functional practices

RegMatEx
TomHex
Predictive Health Index
Full AI report suite
Brain flow and metabolism
Complete Neurofeedback System
Longevity & preventive medicine
Executive health programs
Advanced functional practices

PPG Stress Flow
ANS Control
BIA-ACC
HEG
RegMatEx
TomEEx
Complete FLM report suite
Predictive Health Index
Regenerative Medicine
Full-service longevity clinics
Multi-practitioner practices
Complete FLM from day one
What's inside
The essential method in a concise, practical format
From fragmented symptoms to systemic coherence
The recovery window and the tier logic explained
Ideal starting point before the full ebook
Wellness professionals Longevity practices New to FLM
WHAT YOU GET
All seven chapters — the full method, end to end
From medically unexplained symptoms to systemic coherence
Selected bibliographic references and scientific grounding
The definitive practitioner reference
Biotekna© devices are FDA-registred non-invasive medical instruments - distributed through certified Biotekna© distributors worldwide.
Practitioner certification and ongoing training through the integrative Wellbeing Institute (IWI) - a community of 1,300+ active members.
Peer-reviewed research validation across autonomic assessment, functional medicine, body composition science, and predictive health modeling.
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