Gut and Hormone Testing for Athletes and High Performers

FWDfuel provides clinically guided gut and hormone testing for athletes and high performers to identify root causes of fatigue, digestive issues, hormonal imbalance, and performance decline. Led by a Registered Dietitian Nutritionist and supported by endocrinology expertise, this approach evaluates gut microbiome health, hormone levels, and metabolic function through precise, evidence-based diagnostics to deliver clear, actionable insights that improve energy, recovery, and overall performance.

This performance-focused model uses advanced testing, root-cause analysis, and personalized interpretation to address issues such as low energy, poor digestion, hormonal irregularities, and recovery limitations. The approach integrates gut microbiome analysis, hormone testing, and targeted nutrition strategies to restore balance, improve metabolic efficiency, and support long-term health and performance outcomes. 

Connect with FWDfuel at 1-419-366-3163 to begin a structured gut and hormone testing program designed to deliver measurable, performance-driven results through expert-led, data-driven care.

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What Is Gut and Hormone Testing?

Gut and hormone testing is a comprehensive diagnostic process that analyzes your gut microbiome and hormone levels to identify imbalances affecting energy, digestion, recovery, and overall health. This health testing involves collecting stool samples, blood panels, saliva, or dried urine to measure key markers, including gut bacteria and fungi, thyroid function, testosterone, and other hormone levels.

These measurements provide a clear view of how microbes in your gut interact with your immune system and how hormonal imbalance influences mood swings, metabolism, and performance. A Registered Dietitian Nutritionist then analyses these test results, identifies root causes, and develops a targeted, data-driven plan to improve gut health, restore hormonal balance, and support long-term performance outcomes.

What Are the Common Signs You May Need Gut and Hormone Testing?

Common signs you may need gut and hormone testing include persistent fatigue, digestive issues, brain fog, hormonal irregularities, mood swings, and unexplained changes in weight or performance. Many seek testing after symptoms that generic advice or basic health testing fail to resolve. Through structured evaluation and advanced diagnostics, FWDfuel identifies the underlying factors affecting your microbiome, hormones, metabolism, and recovery, then builds targeted, data-driven strategies to restore balance and optimize performance.

7 common signs you may need gut and hormone testing:

  • Persistent Fatigue or Unexplained Low Energy
  • Bloating, Gut Discomfort, or Irregular Digestion
  • Brain Fog and Difficulty Concentrating
  • Irregular Menstrual Cycles or Hormonal Irregularities
  • Mood Swings, Anxiety, or Depression
  • Unexplained Weight Changes or Difficulty Managing Body Composition
  • Skin Issues Like Acne or Eczema, Hair Thinning or Loss, or Low Libido

Instead of focusing only on symptom relief, FWDfuel uses gut and hormone testing to identify and address root causes and to support recovery, performance, and long-term health outcomes.

What We Test at FWDfuel?

At FWDfuel, our Registered Dietitian Nutritionists, including Cleveland Cavaliers Performance Dietitians, test the gut microbiome, hormone levels, and key metabolic markers to identify root causes of fatigue, digestive issues, and performance decline. This testing analyzes gut bacteria and fungi, thyroid function, testosterone levels, nutrient status, and inflammatory markers using stool, blood, saliva, and urine samples. These insights enable precise identification of imbalances and guide a targeted, data-driven plan to improve energy, recovery, and overall performance.

Gut Health Stool Analysis

Gut health stool analysis uncovers imbalances in your gut microbiome that often drive bloating, poor digestion, and low energy. It evaluates bacteria and fungi in your gut along with inflammation and digestion markers, to identify where breakdowns occur. These findings explain persistent symptoms and provide a clear direction for restoring gut health, improving nutrient absorption, and supporting consistent recovery and performance.

Serum (Blood) Testing

Blood testing reveals how your hormone levels and metabolic systems are functioning under real physiological demand. It analyses thyroid function, testosterone levels, blood sugar, and nutrient status to detect imbalances that impact energy, recovery, and body composition. These results help pinpoint the reasons for performance declines and provide a measurable starting point to improve metabolic efficiency and overall health.

Saliva Testing

Daily energy, mood, and sleep patterns often depend on how your hormones fluctuate throughout the day. By tracking cortisol rhythm at multiple time points, this test reveals how your body responds to stress and recovery demands. When these patterns fall out of sync, fatigue and burnout follow, and correcting them helps restore stability and improve day-to-day performance.

Dried Urine Testing (DUTCH)

DUTCH testing shows how your body produces, converts, and clears hormones rather than just measuring levels. It evaluates hormone metabolism pathways, including estrogen and testosterone processing, to uncover imbalances that standard tests often miss. This deeper insight explains ongoing hormonal issues and supports more precise strategies to improve recovery, mood, and long-term performance outcomes.

Food Sensitivity Testing (LEAP MRT)

Unresolved inflammation often comes from foods that do not trigger immediate symptoms. This test analyzes immune responses to specific foods at a cellular level to identify hidden triggers affecting gut health. Removing these foods reduces internal stress, improves digestion, and supports better recovery, especially when previous diet adjustments have not produced results.

Nutrient Deficiency and Micronutrient Testing

Even with a structured diet, small nutrient gaps can limit energy and recovery. This test evaluates essential vitamins and minerals, such as vitamin D, magnesium, and B vitamins, that support cellular and metabolic functions. Addressing these deficiencies restores energy production, improves recovery capacity, and strengthens overall performance and long-term health.

Environmental Toxin Exposure Screening

Toxin screening identifies hidden exposures that disrupt hormone balance and gut health without clear symptoms. It detects substances such as heavy metals and environmental pollutants that increase inflammation and interfere with metabolic function. Addressing these factors helps reduce internal stress on the body, improve recovery, and support long-term health and performance outcomes.

Who Our Gut and Hormone Testing Is Designed For?

Our gut and hormone testing supports athletes and high-performing individuals who experience ongoing fatigue, digestive issues, or hormonal imbalance that standard health testing fails to resolve. FWDfuel works alongside an endocrinologist and applies clinical standards used by the Cleveland Cavaliers Performance Dietitians to evaluate gut microbiome function, hormone levels, metabolism, and lifestyle patterns, identify root causes, and develop a targeted testing strategy tailored to each individual’s physiology and performance demands.

Our gut and hormone testing in Cleveland is ideal for:

01Athletes Dealing With Fatigue, Poor Recovery, or Performance Plateaus
02High-Performers and Busy Professionals Struggling With Persistent Low Energy or Brain Fog
03Individuals Frustrated With Generic Gut Health Advice or DIY Test Kits
04People With Chronic Bloating, Digestive Issues, or Hormonal Imbalance
05Anyone Seeking a Precise, Data-Driven Approach to Optimizing Their Health

With a structured and flexible model, FWDfuel provides gut and hormone testing with expert interpretation and personalized support, ensuring clear insights and consistent, performance-focused outcomes.

In Need of Gut and Hormone Testing?

Get In Touch To See How We Can Help

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Why Choose FWDfuel for Gut and Hormone Testing?

Choose FWDfuel for clinically structured gut and hormone testing led by a Registered Dietitian Nutritionist with specialized expertise in gut health, hormone balance, and performance-focused care, designed to identify the exact drivers of fatigue, digestive issues, and recovery limitations. Founded in 2017, FWDfuel combines endocrinology expertise with experience from a Cleveland Cavaliers Performance Dietitian to apply evidence-based analysis with root-cause testing to ensure accurate identification of imbalances affecting energy, metabolism, and overall health. Our program translates test results into a concierge-level service that connects gut microbiome insights, hormone data, and metabolic markers into clear, actionable strategies that support consistent performance and long-term health outcomes.

  • Hormone Testing Paired With Nutrition Expertise Most Endocrinologists Do Not Offer
  • Root-Cause Testing That Goes Beyond Standard Lab Panels
  • Comprehensive Gut Microbiome, Hormone, and Metabolic Analysis
  • Advanced Testing Rarely Offered to Athletes or Otherwise Healthy Individuals
  • Results Interpreted and Translated Into a Personalized Anti-Inflammatory Plan

How Our Gut and Hormone Testing Process Works?

STEP 01

Comprehensive Nutrition & Health Assessment

The process begins with a 15-minute strategy call where a Registered Dietitian Nutritionist and an endocrinologist evaluate your health history, symptoms, and performance goals. This step identifies concerns such as fatigue, digestive issues, and hormonal irregularities to determine testing needs and establish a clear, performance-focused baseline.

STEP 02

Personalized Gut and Hormone Panel Selection

Following the initial assessment, FWDfuel selects a personalized gut and hormone testing panel based on your symptoms, lifestyle, and performance needs. NBA performance dietitians identify the most relevant diagnostics, including gut microbiome, hormone, and nutrient testing, ensuring a targeted approach that avoids unnecessary tests and focuses on root causes affecting energy, metabolism, and health.

STEP 03

Sample Collection: Stool, Blood, or Swabs

Once testing is defined, you complete sample collection using stool, blood, saliva, or swab methods based on your panel. Cleveland Cavaliers Performance Dietitian-Nutritionists establish protocols to ensure accurate measurement of gut bacteria, hormone levels, and metabolic markers, while keeping the process efficient, guided, and minimally disruptive to your routine.

STEP 04

Results Review With Your Registered Dietitian

After results are processed, a Registered Dietitian Nutritionist reviews each marker and explains how findings relate to your symptoms and performance goals. Working alongside an endocrinologist, the team interprets hormone levels, gut microbiome data, and metabolic markers to identify root causes and translate results into clear, actionable insights for targeted intervention.

STEP 05

Your Personalized Gut and Hormone Action Plan

Based on your results, FWDfuel develops a personalized gut and hormone action plan to address imbalances and improve performance. NBA performance dietitians and endocrinology experts guide targeted nutrition, supplements, and lifestyle strategies, creating a structured, data-driven path to restore gut health, balance hormones, and support long-term recovery.

What Can Gut and Hormone Testing Lead To?

Gut and hormone testing at FWDfuel reveals the root causes of fatigue, digestive issues, hormonal imbalances, and performance decline, while enabling a clear, data-driven path toward improved health and recovery. It identifies imbalances in the gut microbiome, hormone levels, and metabolic function, enabling targeted strategies to improve energy, stabilize digestion, sharpen focus, and support consistent, long-term performance outcomes.

  • A Clear Understanding of What Is Driving Your Fatigue and Low Energy
  • Targeted Answers for Bloating, Digestive Issues, and Gut Imbalances
  • Identification of Hormonal Imbalances Affecting Mood, Weight, and Performance
  • A Personalized Nutrition Plan Built Around Your Exact Test Results
  • Faster Recovery Through Data-Driven Supplement and Nutrition Strategies
  • A Measurable Starting Point for Long-Term Health Optimization
Water bottle, celery, banana, kiwi, lettuce, apple, and small bowl on green background.

How Much Does Gut and Hormone Testing Cost?

Gut and hormone testing costs range from $100 to $1,500+, depending on the type of test, level of detail, and whether you choose basic kits or comprehensive panels. Basic gut microbiome tests or at-home stool samples cost between $70 and $300, while more advanced functional medicine testing, such as GI-MAP or detailed microbiome analysis, ranges from $300 to $700. Hormone testing, including saliva, blood, or dried urine tests like DUTCH, ranges from $150 to $600. Combined gut and hormone testing panels that assess hormone levels, thyroid function, testosterone levels, and gut microbes can range from $500 to over $1,500, reflecting the depth of biomarkers analyzed and the ability to identify root causes affecting overall health and performance.

WHAT OUR CLIENTS ARE SAYING

Basketball player holding red Wilson ball at bright orange gym. Pierce Cumpstone “Easy communication, friendly, enthusiastic help, and a sense of comfort from the get-go – my experience with FWDfuel was all positive. Not all experiences are identical, but I can assure you that you’ll see progess with whatever your goals are…There is nothing to lose and everything to gain. With an aspect as critical as nutrition is to sport and athletic performance, you would be doing yourself a disservice by not pursuing it. While the internet is a great tool, it can quickly lead to information overload, overthinking, and ultimately additional and unnecessary stress (it happened to me). FWDfuel helped cut through all the misinformation I ingested when I was doing my own Google searches.”
Stacy Tidmore “I’ve been fortunate to work with top-tier individuals in functional medicine, and their confidence in Kylene is immense. Her ability to analyze lab reports, physician’s notes, and our own comments to create recommendations that are actually compassionate and do-able always amazes me. She juggles so much information when she does this, and I realize her deep training and experience allows her to view the role of nutrition in a way I’ve never encountered with others in the field. I also love that she works with athletes and understands how to help us meet our exercise and performance goals.”
Young man with black pants and white jersey smiling at red backdrop. Harold C. “Gaining a knowledge in proper nutrition helped change my life in a positive way. It somewhat changed my life. Before Kylene showed me how to eat properly and nourish my body I felt very sluggish after practice or a workout. I feel I have gained an edge because I have more energy then ever before. I now view my body like a car. Without the proper gas, my car will never last ! If you never fuel your body with the correct nutrients it will never last over the course of the season. Thanks Kylene for helping me maximize my potential as a collegiate football player!”
Sam K. “Following a structured nutrition program FINALLY gave me that extra edge I was always looking for in my athletic career. It helped me perform at the best of my ability physically and mentally for the entire game, practice, lift, etc.”
Runner with red tank top and bib number 4699 on grassy field. Rachel K. “After seeing numerous GI physicians without any success, I finally decided to take a functional nutrition approach. For the first time in years, I was able to run without GI distress! Thank you Kylene for helping me to compete in college and beyond!!”

based on 100+ reviews

Start Your Gut and Hormone Testing With FWDfuel

Persistent fatigue, digestive issues, and hormonal imbalance often indicate that your current health strategy is not aligned with your physiology or performance demands. FWDfuel addresses these underlying issues through clinically guided gut and hormone testing that identifies root causes and provides clear, data-driven direction for improvement.

Connect with FWDfuel at 1-419-366-3163 today to take the first step toward a structured plan that restores gut health, balances hormone levels, and supports consistent, long-term performance outcomes.

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