Cardiovascular & oxygen
Neuromuscular
Energy production
Recovery & fatigue
Hydration & digestion
Inflammation
Six performance systems
The Endurance Scan

See what’s happening underneath the training.

Six performance systems, tested from a small hair and saliva sample against the training load you’re carrying. Results in about one week.

Results in about one week
Tested against your training load
Your supplements can go in too
See a sample reportQuestions
Not ready for the full scan?Start with the $89 Food & Supplement ScanAll $89 counts toward an Endurance Scan within 14 days of your results.
What it looks at

Six performance systems, mapped together.

The markers are built around how you move: foot-to-hip connections, posterior and anterior chain efficiency and postural endurance. Each is tested on its own, then mapped to show how the systems influence each other.

01 / 06
Primary points86 · Needs attention
Example results
  1. Autonomic Nervous System (Sympathetic NS)87%
  2. Central Nervous System88%
  3. Brain Stem and Cerebrum87%
  4. Cranial Nerves95%
  5. Joint - Skeletal87%
and 1 more
Secondary points
  1. Adrenal Glands - Gonads91%
  2. Coronary Plexus97%
Primary points91 · Balanced
Example results
  1. Lung87%
  2. Circulatory System94%
  3. Heart95%
  4. Coronary Plexus97%
Secondary points
  1. Liver86%
Primary points89 · Balanced
Example results
  1. Protein Metabolism96%
  2. Pancreas80%
  3. Uric Acid Metabolism92%
  4. Carbohydrate Metabolism92%
  5. Fat Metabolism97%
Secondary points
  1. Organ - Cell Tissue95%
  2. Endocrine96%
and 2 more
Primary points84 · Needs attention
Example results
  1. Hypothalamus93%
  2. Neurotransmitter Function88%
  3. Autonomic Instability Organ - Cell Tissue86%
  4. Organ - Cell Tissue95%
  5. Pineal - Pituitary Glands96%
Secondary points
  1. Brain Stem and Cerebrum87%
  2. Adrenal Glands - Gonads91%
Primary points90 · Balanced
Example results
  1. Large Intestine92%
  2. Small Intestine90%
  3. Stomach86%
  4. Gallbladder95%
  5. Renal Cortex92%
and 1 more
Secondary points
  1. Liver86%
Primary points87 · Needs attention
Example results
  1. Organ - Cell Tissue95%
  2. Heart95%
  3. Fibrous Tissue88%
  4. Coronary Plexus97%
Secondary points
  1. Lung87%
  2. Thyroid, Thymus and Parathyroid Glands93%
and 1 more
  1. 01

    Neuromuscular functional stress

    How efficiently your muscles and nerves are working together under load.

  2. 02

    Cardiovascular & oxygen efficiency

    How well your body is moving oxygen to working muscle.

  3. 03

    Energy production & metabolic efficiency

    How your body is making and using fuel.

  4. 04

    Recovery & fatigue resistance

    How well you’re bouncing back between sessions.

  5. 05

    Hydration & digestion

    How you’re taking in fluid and fuel.

  6. 06

    Inflammation

    How much load your body is carrying from training right now.

Every system comes back with a score and a status: balanced, needs attention or critical.

Your results

See where you’re adapting, and where you’re under strain.

  1. 01Each system, in balance or under strain
  2. 02Where your training load is landing right now
The Endurance Scan results
  1. 03An optimization plan built around your results
  2. 04A clear place to start
See a sample report→
Built around your training

Tested against the load you’re carrying.

When you activate your kit, you tell us how you’re training. Your results sit against that load, so you can see where your body is adapting and where it’s under strain.

  • 01A short training form when you activate your kit
  • 02Results set against the load you’re carrying
  • 03Rescan between training blocks to see what’s changed
How it works

One sample, taken at home.

01
Activate your kit.
02
Collect at home.
03
Mail it back.
Sample · 001

Enter the code inside your kit and tell us how you’re training.

A small hair and saliva sample. Add the supplements you take and seal everything in the prepaid pouch.

Your report arrives in about one week.

Bring your fuel

Your supplements go in with your sample.

Add the supplements you take, and see how your body is responding to each one.

The subscription

Your next scan, next to your last.

Subscribe and a new kit arrives every 4, 6 or 8 weeks, so you can see how your body is handling each training block.

Scan 1Your baseline
Scan 24, 6 or 8 weeks on
Scan 3Through your next block
And onPause or skip anytime
  • Save 5%On every scan in your subscription
  • Early accessTo new performance data
  • Pause or skip anytimeAround race season, your call
Reviews

In their own words.

Southbound 400
I’m seriously BLOWN AWAY by this data. … this is CRAY CRAY GOODNichole
The scan was simple yet comprehensive …Julie H.
I am eager to see how my next scan turns out. Don't think twice about spending the money, it will be well worth it!Andrew B.
I was skeptical at first, but … has exceeded my expectations.Lauren N.
The scan was eye-opening, revealing things I had never considered.David H.
Beautiful packaging, fast shipping, product exactly how describedBryoni
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Questions

Good to know.

What’s in the kit?

Everything you need to collect a small hair and saliva sample at home, room for your supplements, and a prepaid return pouch.

How long until I get my results?

About one week.

What does “tested against your training load” mean?

When you activate your kit, you tell us how you’re training. Your results are set against that, so they reflect the load you’re actually carrying.

Can I include my supplements?

Yes. Add the supplements you take to your sample, and your report shows how your body is responding to each one.

How does the subscription work?

A new kit arrives every 4, 6 or 8 weeks, whichever you choose. You save 5% on each scan, get early access to new performance data, and can pause or skip anytime.

How does this fit with my wearable?

It works alongside it. Your wearable tracks what you did; your scan shows how your body is handling it.

Not ready for the full scan?

Start with the $89 Food & Supplement Scan. If you want more after, all $89 counts toward an Endurance Scan within 14 days of your results.

Train with the full picture.

See a sample report→

Not ready? Start with the $89 Food & Supplement Scan. All $89 counts toward an Endurance Scan within 14 days of your results.