45. Most Men Over 40 Are Missing These 5 Blood Markers

45. Most Men Over 40 Are Missing These 5 Blood Markers

Author: Zane Griggs: Health Tips March 11, 2026 Duration: 22:11
Healthy AF | Healthy After 50
HealthHealth & FitnessFitnessNutrition

Most men focus on body weight, workouts, or body fat… but those numbers don't tell the full story.

In this episode of Healthy AF, Zane breaks down the five blood markers every man over 40 should be tracking if they want to stay strong, energized, and metabolically healthy for decades to come.

These biomarkers can reveal problems years before symptoms appear and help you catch issues related to metabolic dysfunction, heart disease, inflammation, testosterone decline, and prostate health early.

You'll learn why markers like fasting insulin and fasting glucose often reveal metabolic issues long before diabetes develops, how free testosterone reflects metabolic stress, and why inflammation markers like hs-CRP matter for long-term health.

Zane also explains how lifestyle factors such as poor sleep, chronic stress, excessive fasting, overtraining, and ultra-processed foods can quietly push these numbers in the wrong direction.

If you're over 40 and serious about longevity, performance, and metabolic health, these are the numbers you need to know.

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00:00 – 5 Blood Markers Every Man Over 40 Should Know
00:55 – Why Body Weight and Workouts Aren't Enough
01:40 – Marker #1: Fasting Insulin (Earliest Warning Sign)
02:50 – Ideal Fasting Insulin Range
04:00 – What Causes Insulin Resistance
05:05 – Marker #2: Fasting Glucose
06:00 – Why Chronically High Glucose Damages Blood Vessels
07:20 – Low-Carb, Fasting, and Elevated Blood Sugar
08:25 – Ideal Blood Sugar Range
09:15 – Stress Hormones and the "Dawn Effect"
11:00 – Marker #3: Free Testosterone
12:00 – Stress, Fasting, and Testosterone Suppression
13:20 – Ideal Free Testosterone Range
14:10 – Marker #4: hs-CRP (Inflammation Marker)
15:00 – What Drives Chronic Inflammation
15:40 – Visceral Fat, Diet, and Alcohol Effects
16:00 – Marker #5: PSA (Prostate Health)
17:00 – Testosterone and Prostate Cancer Myths
18:20 – Why You Should Start Tracking These Markers Early
19:10 – Why "Normal" Lab Ranges Aren't Optimal


Turning fifty doesn't mean slowing down; it can be the start of your most vibrant chapter. Healthy AF | Healthy After 50 is a candid conversation about making that happen, hosted by health and longevity expert Zane Griggs. This podcast moves beyond generic advice to offer practical, actionable strategies for nutrition, fitness, and mental resilience tailored for the second half of life. You'll hear honest discussions about the unique challenges and opportunities that come after fifty, from maintaining muscle mass and optimizing metabolism to cultivating a mindset that supports lasting change. Zane breaks down complex health concepts into understandable steps, whether you're looking to revitalize your current routine or are just beginning to prioritize your well-being. The focus is on sustainable habits, not quick fixes, empowering you to feel stronger and more energized. While the core audience is those over fifty, the principles discussed are valuable for anyone in their twenties or thirties who wants to build a solid foundation for a long, healthy future. Each episode is designed to give you a tangible takeaway-something you can apply immediately to improve your day. Tune in for a straightforward, no-nonsense approach to becoming the healthiest version of yourself, because thriving after fifty is absolutely possible.
Author: Language: English Episodes: 49

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