My 2025 Functional Blood Work – Part 2: Kidneys, Creatine & Context
Sustainable Health Stretch Rayner Sustainable Health Stretch Rayner

My 2025 Functional Blood Work – Part 2: Kidneys, Creatine & Context

In Part 1 of this series, I broke down my immune system results and what they meant through a functional medicine lens. Today, we’re diving into my kidney function — a system that showed up as needing attention in my report.

According to the functional blood work algorithm, I scored a 77% probability of kidney dysfunction.

Now, that might sound dramatic — but let’s take a breath and look at what’s really going on.

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9 Key Nutrients Men in Midlife Need to Boost Testosterone Naturally
Sustainable Diet, Nutrition Stretch Rayner Sustainable Diet, Nutrition Stretch Rayner

9 Key Nutrients Men in Midlife Need to Boost Testosterone Naturally

Testosterone levels in men today are significantly lower than they were 30 years ago. Studies show the average man's testosterone has declined by approximately 20-30%. Why is this happening?

Modern lifestyles, chronic stress, poor sleep, and particularly, the Standard Western Diet (SAD) loaded with ultra-processed foods play a big role. These processed foods are calorie-dense but nutrient-poor, leading to deficiencies that disrupt hormone balance—especially testosterone.

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