Real Talk Nutrition Podcast

When and Why to Get Lab Work

Joe Laxton, Meryl Binder, and Corey Berry Season 1 Episode 85

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When and Why You Should Get Lab Work Done: Becoming Your Own Health Advocate

Episode Overview

In today's episode of Real Talk Nutrition, we're diving into one of the most overlooked aspects of health, performance, fat loss, and longevity—lab testing.

Too many people are trying to solve health problems without ever looking under the hood. They're frustrated because they're doing "all the right things" but still can't lose weight, build muscle, improve energy, sleep better, or feel like themselves.

The truth is:

You can't expect what you don't inspect.

Lab work allows us to stop guessing and start understanding what is actually happening inside your body.

Why Most People Wait Too Long

Many people only get blood work when something is wrong.

The traditional healthcare model often focuses on diagnosing disease after symptoms become severe enough to warrant treatment.

But what if you could identify problems years before they become major issues?

What if fatigue, brain fog, weight gain, poor recovery, low libido, inflammation, or digestive issues were warning signs—not things you simply accept as part of aging?

Your body is constantly communicating with you.

Lab work helps translate the message.

Hormones: The Foundation of How You Feel

One of the first areas to investigate is hormones.

Men

  •  Total Testosterone 
  •  Free Testosterone 
  •  SHBG 
  •  Estradiol 
  •  DHEA 
  •  Cortisol 
  •  Thyroid Function 

Low testosterone can impact:

  •  Energy 
  •  Recovery 
  •  Muscle growth 
  •  Fat loss 
  •  Mood 
  •  Motivation 
  •  Libido 

Many men are told their testosterone is "normal" even though it's at the bottom of the reference range and they're experiencing symptoms.

Normal and optimal are not always the same thing.

Women

Hormonal testing can help identify:

  •  Estrogen imbalances 
  •  Progesterone deficiencies 
  •  Thyroid dysfunction 
  •  Cortisol issues 
  •  Perimenopause and menopause transitions 

Symptoms often include:

  •  Weight gain 
  •  Fatigue 
  •  Mood swings 
  •  Poor sleep 
  •  Increased body fat 
  •  Loss of muscle 

Many women think they're simply aging when, in reality, hormones may be playing a significant role.

Thyroid Testing: The Metabolic Regulator

The thyroid controls much of your metabolism.

Basic testing often includes only TSH.

A more complete picture may include:

  •  TSH 
  •  Free T3 
  •  Free T4 
  •  Reverse T3 
  •  Thyroid antibodies 

When thyroid function is compromised, you may experience:

  •  Difficulty losing weight 
  •  Low energy 
  •  Hair loss 
  •  Brain fog 
  •  Cold intolerance 
  •  Poor recovery 

Cellular Nutrition: Looking Beyond Blood Levels

One of the most exciting advancements is cellular nutrition testing.

Many people assume blood levels tell the entire story.

However, blood is tightly regulated by the body.

The real question is:

Are your cells actually getting and utilizing the nutrients they need?

Cellular nutrition testing can evaluate:

  •  Vitamins 
  •  Minerals 
  •  Amino acids 
  •  Fatty acids 
  •  Antioxidants 
  •  Cellular energy pathways 

You may discover deficiencies in:

  •  Vitamin D 
  •  B Vitamins 
  •  Magnesium 
  •  Choline 
  •  Omega-3s 
  •  Essential amino acids 

Even when standard blood work appears normal.

This information allows nutrition plans and supplementation to be individualized rather than based on guesswork.

Inflammation and Cardiovascular Risk

Some of the most valuable markers often overlooked include:

  •  hs-CRP 
  •  Homocysteine 
  •  Fasting Insulin 
  •  ApoB 
  •  Lipid Panel 
  •  Glucose 
  •  HbA1c 

These markers can provide insight into:

  •  Heart disease risk 
  •  Metabolic health 
  •  Inflammation 
  •  Insulin resistance 

Many people wait until disease develops.

These markers help us identify trends before disease occurs.

Performance Testing for Athletes

For athletes, testing should extend beyond standard blood work.

Examples include:

  •  VO2 Max 
  •  FatMax 
  •  CarbMax 
  •  Lactate Threshold 
  •  Mobility Assessments 
  •  Body Composition Testing 

These tests help answer questions like:

  •  Am I training in the right zones? 
  •  Am I fueling appropriately? 
  •  Why am I plateauing? 
  •  What is limiting my performance? 

Becoming Your Own Advocate

One of the most important messages from today's episode is this:

Nobody will care more about your health than you.

You must become your own advocate.

Ask questions.

Request testing.

Learn what your numbers mean.

Track trends over time.

Don't settle for:

  •  "Everything looks normal." 
  •  "You're just getting older." 
  •  "That's part of life." 

If you don't feel your best, continue searching for answers.

The Real Talk Nutrition Takeaway

The future of health isn't guessing.

The future of health is testing, personalizing, and optimizing.

At Real Talk Nutrition, our philosophy is simple:

Test → Tailor → Train → Transform

Instead of following generic plans, understand your biology first.

Because when you understand how your body works, you can stop chasing symptoms and start building a plan designed specifically for you.

Remember:
You cannot expect what you cannot inspect.

And the best investment you'll ever make is understanding your own health.