Observational Cohort Study 

In a recent Observational Cohort study, 

17 out of 17 individuals with a history of concussion, TBI, or repeated head impacts 

reported a +40% cohort average improvement in less than 30 days after using The Hero Protocol;

 tracked using the 

Neurobehavioral Symptom Inventory (NSI); 

Their improvements ranged from fewer headaches, better sleep, clearer concentration, and less life stress*/**

 

Based on a voluntary self-reported user survey. Individual results vary. Not intended to diagnose, treat, cure, or prevent any disease*/**

Subtitle: Self-reported symptom scores from voluntary participants using the Neurobehavioral Symptom Inventory (NSI)

Disclaimer: Data is voluntary and not peer-reviewed.

Y-Axis: Higher NSI Score is Worse

Date Range: 2024-2026

Background

 

To better understand how individuals using The Hero Protocol perceived changes in their symptoms over time, a voluntary observational cohort study was conducted using the Neurobehavioral Symptom Inventory (NSI), a commonly used symptom scale in military and clinical environments. This document summarizes preliminary observational findings from early participants. These results are descriptive in nature and are not intended to establish clinical efficacy.

 

Study Overview

Participants with a history of concussion or traumatic brain injury voluntarily tracked their symptoms using the Neurobehavioral Symptom Inventory (NSI).

The NSI measures 22 common symptoms associated with post-concussive syndrome, including:

  • Headache
  • Dizziness
  • Fatigue
  • Sleep disturbance
  • Irritability
  • Memory difficulty
  • Slowed thinking
  • Concentration problems
  • Sensory sensitivity

Each symptom is rated from 0 (none) to 4 (very severe), producing a total possible score of 0–88, with higher scores indicating greater symptom burden.

Participants recorded baseline scores and follow-up scores after using The Hero Protocol.

 

 

Example:

User 16, Day 0, NSI Score 39

No Dreams

User 16, Day 21, NSI Score 9

"Feel Refreshed..."

User 16, Day 35, NSI Score 9

"I feel alive again" & Return of Dreams

User 16, Day 52, NSI Score 4

Dreams Every Night

Design

As of March 2026, a total of 17 individuals entered the survey dataset and returned usable baseline and follow-up measurements within the first observation window (defined as a 'day zero NSI entry' and one 'day ~30 NSI entry'). Participants (Users) were given a 30 day Hero Protocol for free. 

 

Participants included individuals who were Veterans, Active duty, or high-functioning Civilians, with self-reported histories and/or confirmed clinical histories of:

  • Concussion
  • Traumatic brain injury
  • Repeated head impacts
  • Persistent post-concussive symptoms 

The requested observation period was 30 days, and while 80% of the participants met or exceeded 30 days, one user reporting at 16 days due to life changes, and another at 22 days - but both reported improvements. Interestingly, while most participants reported at ~30 days, 5 participants continuing symptom tracking beyond the initial period, with three users taking two months of protocol reporting their experiences around 50 days, one taking the protocol for six months and reported at 180 days, and another who has taken the protocol for nearly a year reporting their NSI notes out past 270 days. For the purpose of the survey, the average 30 day data between all users was the primary data source that generated the ~48% NSI self-reported score (see chart above.) 

 

Observational Findings

Across the initial observation window:

  • Average cohort baseline NSI score start: 44.2
  • Average cohort follow-up NSI score at 30 days: 22.9
  • Average cohort improvement at 30 days: −21.3 points

This represents an average reduction of approximately 48% in reported symptom burden across the group during the initial observation period.

 

Most self reported changed symptoms: 

  • Sleep Quality
  • Headaches
  • Cognitive Clarity 
  • Stress / Emotional Management 
  • Not measured but of interest is that half of the participants anecdotally reported a Return of Dreams, (indicating REM cycle).

The symptoms that appeared least likely to change were taste/smell, appetite, and certain sensory issues such as hearing difficulty and noise sensitivity.

 

Observed response patterns included:

  • Large improvements (>50%) in several participants
  • Moderate improvements (30–50%) in a majority of participants
  • Minimal change (<10%) in one individual

Notably, no participants reported worsening total symptom scores in the primary or longitudinal observation window. 

 

Individual Variability

Substantial variability was observed between participants.

Examples of observed changes included:

  • Reductions of 40–50% in symptom scores among multiple participants
  • Reductions of 60–70% in several cases. 
  • The cohort extremes were: 
  • One participant reporting a reduction from 55 to 1, representing a 98% / 54pt decrease in symptom score; highest change in 30 days. 
  • And another participant reported a reduction from 24 to 22, representing an 8% / 2pt decrease in symptom score; lowest change in 30 days.

These observations suggest that symptom trajectories may evolve over longer periods of use, though additional data collection is required to better understand these patterns.

 

Limitations

This observational dataset has several important limitations:

  • Participation was voluntary and self-reported (A total of 32 people requested the Protocol, but 12 people did not submit initial NSI surveys, and were therefore excluded from the survey due to their lack of functional participation.) 
  • The survey was not randomized or controlled
  • Sample size remains small
  • Participants had heterogeneous injury histories
  • Additional factors such as sleep, lifestyle changes, adherance, and prior treatments were not controlled
  •  

Because of these real world limitations, the findings, while promising, should be interpreted as descriptive and hypothesis generating observations rather than clinical evidence.

 

Next Steps

Data collection is ongoing and will become available as more participants contribute their voluntary symptom tracking information.

 

Future analysis will focus on:

  • Expanding the participant dataset
  • Longer-term symptom trajectories
  • A more robust historical data set (injury histories, deployments, experiences, etc.)
  • Voluntary Washout and Re-challenge (Several participant have asked (not at the request of The Hero Protocol) what their experiences might be when stopping the Protocol.) 
  • A more robust statistical analysis of symptom changes
  • A formal manuscript based on the observational dataset is currently being prepared for submission to a peer-reviewed journal.

 

Disclosure

This report summarizes preliminary observational survey data collected from individuals voluntarily tracking symptoms while using The Hero Protocol. The information presented here has not been peer-reviewed and should not be interpreted as medical advice or clinical evidence. Users = Participants. Users have volunteered their data freely and are self-designing their own explorations, such as the washout/rechallenge concept. 

 

FTC disclaimer: Participants recieved their first 30 day Protocols for free and were permitted to cease the survey at any time with no obligation. 

 

The Hero Protocol is a nutritional supplement and is not intended to diagnose, treat, cure, or prevent any disease.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. 

(We are well informed and intended, but we are not doctors.)