All Ailments - Biomarker Testing Guides | BiomarkerList
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Ailment Discovery Index

Evidence-based guides connecting health conditions to the biomarkers you need to test. Each guide provides target ranges, root causes, and actionable steps based on functional medicine principles.

Aging & Longevity

Autoimmune

Beauty & Skin

Bone Health

Brain & Mental Health

Adrenal Fatigue & HPA Axis Dysfunction

The HPA axis (hypothalamic-pituitary-adrenal) is your brain's stress-response system. Chronic stress dysregulates it, producing low morning cortisol, elevated evening cortisol, and DHEA depletion—manifesting as fatigue, anxiety, and illness.

Cortisol (Morning) DHEA-S (DHEA-Sulfate) Fasting Glucose +2 more
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Anxiety and Biomarkers

Up to 80% of anxiety cases have an identifiable metabolic or nutritional root cause. Blood testing reveals whether your anxiety is truly psychological or a symptom of correctable biochemistry.

Magnesium Vitamin D Thyroid Panel (TSH) +2 more
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Brain Fog

Brain fog is not a diagnosis—it is a sign that your metabolism, hormones, or nutritional status are out of balance. These biomarkers reveal the root causes.

Thyroid Panel (TSH) Fasting Insulin Vitamin B12 +2 more
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Cognitive Decline Prevention

Cognitive decline typically begins silently 10-20 years before symptoms appear. But biomarkers reveal preclinical decline and enable intervention before irreversible neurodegeneration occurs.

HbA1c Fasting Insulin hs-CRP +2 more
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Depression Biomarkers

Up to 40% of depression cases are driven by correctable nutrient deficiencies or hormonal imbalances. Testing reveals whether your depression is biochemical or truly psychiatric.

Vitamin D Thyroid Panel (TSH/Free T4) Vitamin B12 +2 more
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Mood Disorders & Nutrient Deficiency

Mood disorders are diagnosed behaviorally and treated with psychiatric drugs. But many are rooted in correctable nutrient deficiencies: omega-3, B vitamins, zinc, magnesium, and vitamin D.

Vitamin D Vitamin B12 Folate (B9) +2 more
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Cardiovascular

Category

Dermatology

Digestive Health

Energy & Vitality

Hormonal

Hormonal Health

Immune

Immune Health

Kidney Health

Longevity

Men's Health

Erectile Dysfunction Biomarkers

Erectile dysfunction affects 50%+ of men over 50 but is often multifactorial: low testosterone, insulin resistance, arterial dysfunction, or poor blood flow. Addressing root causes often restores function.

Testosterone Fasting Insulin ApoB +2 more
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High Estrogen in Men (Estrogen Excess)

Excess estrogen in men suppresses luteinizing hormone, reduces testosterone production, causes water retention and gynecomastia, and increases cardiovascular and prostate disease risk.

Estradiol Total Testosterone SHBG (Sex Hormone-Binding Globulin) +2 more
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Low Testosterone in Men

Testosterone naturally declines 1% per year after age 30. But premature decline—or inadequate testing and treatment—leaves men with fatigue, low mood, muscle loss, and sexual dysfunction.

Total Testosterone Free Testosterone SHBG (Sex Hormone-Binding Globulin) +2 more
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Male Fertility

Male infertility is often due to modifiable factors: low testosterone, obesity, oxidative stress, or reproductive infections. Testing reveals causes.

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Muscle Recovery & Athletic Performance

Athletes often neglect biomarker monitoring. But testing reveals optimization opportunities: nutrient status, hormone balance, inflammation control.

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Prostate Health

Benign prostatic hyperplasia (BPH) affects 50%+ of men over 50 and causes urinary symptoms. But it is preventable through early intervention on inflammation, hormones, and nutrient status.

PSA (Prostate-Specific Antigen) Free PSA Percentage Testosterone +2 more
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Mental Health

Metabolic

Metabolic Health

Nutritional Health

Skin & Hair

Sleep & Energy

Women's Health

Endometriosis Biomarkers

Endometriosis affects 5-10% of women of reproductive age but takes 7-10 years to diagnose. Blood testing and imaging can reveal disease activity. Anti-inflammatory interventions reduce pain and improve fertility.

hs-CRP CA-125 Estradiol +2 more
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Female Fertility Biomarkers

Female fertility declines with age, particularly after 35. But testing reveals your current fertility status and enables targeted interventions to maximize reproductive potential at any age.

AMH (Anti-Müllerian Hormone) FSH (Follicle-Stimulating Hormone) Estradiol +2 more
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Low Progesterone

Progesterone is the calming, sleep-promoting hormone. Deficiency produces anxiety, insomnia, irritability, and heavy periods. But progesterone is rarely tested or supplemented despite being highly effective.

Progesterone (Luteal Phase) Estradiol (Luteal Phase) LH (Luteinizing Hormone) +2 more
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Low Testosterone in Women

Women produce 10x less testosterone than men, but it remains essential for bone density, muscle mass, sexual function, and cognitive performance. Deficiency produces fatigue, muscle loss, low libido, and brain fog.

Total Testosterone Free Testosterone DHEA-S (DHEA-Sulfate) +2 more
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Menopause Health

Menopause is not a disease but a natural hormonal transition. When managed well, it can be a thriving life phase. When poorly managed, symptoms dominate for 5-10 years.

FSH Estradiol Testosterone +2 more
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Menstrual Irregularities

Irregular cycles reflect underlying hormonal imbalance: low progesterone, elevated prolactin, thyroid dysfunction, or metabolic dysfunction. These are all correctable.

FSH LH Progesterone +2 more
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Perimenopause

Perimenopause is not a disease—it is a 5-10 year hormonal transition. Testing FSH, estradiol, progesterone, and thyroid hormones allows precise diagnosis and targeted hormone optimization.

FSH (Follicle-Stimulating Hormone) Estradiol (Serum) Progesterone +2 more
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PMS & PMDD

PMS/PMDD affect quality of life but are highly treatable. Most are driven by correctable hormonal/neurochemical imbalances.

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Postpartum Health

Postpartum depletion and dysregulation are expected but manageable. Testing reveals specific needs.

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