The Gut Intuitive · Athletic Performance Study

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Nutrition & Gut Health

Fiber intake, probiotics, hydration, and dietary patterns relevant to the gut–brain axis.

Estimated daily fiber intake

20g

0gRecommended 25–38g60g+

Probiotic / fermented food consumption

Daily

A few times/week

Occasionally

Rarely / Never

Probiotic supplement

Daily water intake (oz)

64oz

0Recommended ~64oz200oz

Dietary pattern (select all that apply)

Omnivore

Plant-heavy

Vegetarian

Vegan

Keto / Low-carb

High-protein

Mediterranean

No specific pattern

Recent notable nutrition changes

Any deliberate changes in the past 3 months? (e.g., added fiber, started probiotics, reduced processed food)

GI discomfort during or after training?

3

Never (1)Very often (10)

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Sleep & Recovery

Sleep duration, quality, and recovery practices that influence gut-brain signaling.

Average nightly sleep (hours)

7h

3hOptimal 7–9h12h

Sleep quality (self-rated)

6

Poor (1)Excellent (10)

Recovery practices used (select all)

Ice bath / Cold plunge

Sauna

Foam rolling

Massage

Active recovery sessions

Meditation / Breathwork

Stretching / Yoga

Compression

None

Stress level (general, past month)

5

Very low (1)Very high (10)

Gut symptoms linked to poor sleep?

Do you notice digestive changes when sleep is poor? (bloating, appetite shifts, etc.)

Yes, clearly

Sometimes

Not really

Never noticed

Recovery notes

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Training Load

Volume, intensity, and periodization patterns — and how your gut responds.

Weekly training hours

8h

Avg session RPE (effort 1–10)

6

Training phase right now

Base / Aerobic build

Strength block

Peak / Competition prep

Deload / Recovery week

Off-season

Unstructured / Varied

Overtraining / burnout symptoms experienced recently?

Persistent fatigue

Mood disturbances

Increased injury frequency

Performance plateau / decline

GI disturbances

Sleep disruption

None

Pre/during/post training nutrition

Recent injury history (past 6 months)

No injuries

Minor (managed through training)

Moderate (modified training)

Significant (time off required)

Chronic / Recurring issue

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Focus, Cognition & Perceived Fatigue

Mental performance metrics central to gut–brain axis research.

Mental focus during training (self-rated)

6

Scattered (1)Laser sharp (10)

Perceived reaction time (self-assessed)

6

Very slow (1)Very fast (10)

Mental fatigue level right now

4

None (1)Exhausted (10)

Physical fatigue level right now

4

None (1)Exhausted (10)

Mood stability over past 2 weeks

Very stable

Mostly stable

Some fluctuation

Significant swings

Do you notice a gut–mood connection?

For example: gut discomfort → irritability, or poor mood → appetite/digestion changes

Strongly yes

Somewhat

Not really

Never thought about it

Anything else you'd like to share?

Open observations, patterns you've noticed, questions you have about your own gut–brain connection.