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Bloodwork Tracking
Monitor your wellness markers for optimal hair health
Your bloodwork is for wellness reference only and does not constitute medical advice. These ranges are curated by Carie for hair health optimization. Always consult your physician for medical concerns.
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Thyroid Function
mIU/L (Optimal: 1.0–2.0)
pg/mL (Optimal: 3.0–4.0)
ng/dL (Optimal: 1.0–1.5)
Hormones
ng/dL (Varies by sex)
ng/dL (Optimal: 30–50)
μg/dL (Optimal: 200–400)
pg/mL (Varies)
ng/mL (Varies)
μg/dL (Optimal: 10–18)
Nutritional Status
ng/mL (Optimal: 70–150)
μg/dL (Optimal: 60–170)
ng/mL (Optimal: 50–80)
pg/mL (Optimal: 500–1000)
μg/dL (Optimal: 80–120)
ng/mL (Optimal: 10–20)
Inflammation & Metabolism
mg/L (Optimal: <1.0)
% (Optimal: 4.8–5.4)
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Bloodwork Reference Guide
All ranges shown below are Carie's optimal ranges for hair health optimization, not standard lab ranges.
| Marker | Standard Lab Range | Carie's Optimal | Why It Matters for Hair |
|---|---|---|---|
| TSH | 0.4–4.0 mIU/L | 1.0–2.0 mIU/L | Thyroid dysfunction directly affects hair growth cycles and can cause shedding |
| Free T3 | 2.3–4.2 pg/mL | 3.0–4.0 pg/mL | Active thyroid hormone critical for metabolic rate and hair follicle function |
| Free T4 | 0.8–1.8 ng/dL | 1.0–1.5 ng/dL | Supports thyroid metabolism needed for healthy hair growth |
| Testosterone | M: 300–1000 ng/dL | F: 15–70 ng/dL | Varies by sex | Elevated testosterone can increase DHT conversion, worsening pattern hair loss |
| DHT | 24–72 ng/dL | 30–50 ng/dL | High DHT is the primary driver of androgenetic alopecia (pattern hair loss) |
| DHEA-S | M: 100–610 μg/dL | F: 45–381 μg/dL | 200–400 μg/dL | Supports hormone balance and has natural DHT-lowering properties |
| Estradiol | F: 15–350 pg/mL | M: 10–40 pg/mL | Varies | Supports anagen (growth) phase; low estradiol contributes to telogen effluvium |
| Progesterone | F: 0.1–28 ng/mL | M: 0.1–0.6 ng/mL | Varies | Helps balance estrogen/testosterone; low levels linked to hair shedding |
| Cortisol (Morning) | 3–25 μg/dL | 10–18 μg/dL | Chronic stress elevates cortisol, pushing hair into telogen (shedding) phase |
| Ferritin | M: 30–400 ng/mL | F: 15–200 ng/mL | 70–150 ng/mL | Low ferritin is the #1 nutritional cause of hair loss in women |
| Iron (Serum) | 60–170 μg/dL | 80–150 μg/dL | Needed for hair protein synthesis; deficiency causes anagen effluvium |
| Vitamin D | 30–100 ng/mL | 50–80 ng/mL | Below 50 slows hair growth; deficiency linked to alopecia areata and diffuse shedding |
| B12 | 200–900 pg/mL | 500–1000 pg/mL | Essential for hair protein synthesis; deficiency causes telogen effluvium |
| Zinc | 60–120 μg/dL | 80–120 μg/dL | Critical for collagen synthesis and hair follicle proliferation |
| Folate | 5.4–16 ng/mL | 10–20 ng/mL | Supports DNA synthesis for hair cell division; low levels impair growth |
| CRP (High-sensitivity) | <3.0 mg/L | <1.0 mg/L | Systemic inflammation accelerates hair loss; lower is optimal |
| Hemoglobin A1c | <5.7% | 4.8–5.4% | Elevated glucose/insulin dysfunction impairs hair growth and worsens scalp health |