What hair cannot measure (but is often claimed)
- Intolerances
- Vitamins
- Amino acids
- Absolute mineral deficiencies
Hair mineral analysis since 1974 – scientific lab analysis by ICP-MS
Reveal stress patterns, mineral/metal loads & the root causes of your health
Fact Check
What hair can scientifically measure
- Your stress regulation Dr. Hans Selye
- Thyroid & adrenal metabolism PMID 31504084
- Mid-term zinc status WHO/IAEA-Report-1996
- Heavy metal load EPA-1979, WHO-SOP
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The Lab
Analytical Research Laboratories (ARL) – was founded in 1974 by Dr. Paul C. Eck. Since 1974, ARL has continuously refined hair mineral analysis as a screening method.
ARL is to this day exclusively specialized in hair mineral analyses – no blood tests, no urine samples. Analysis is performed by ICP-MS (Perkin Elmer NexION 2000B) for 21 minerals and heavy metals. ARL is also one of only two labs worldwide (besides Trace Elements) that do not wash the hair sample before analysis – this avoids the loss of water-soluble minerals (cf. NCBI PMC10414646).
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