Hair sample (~)

Measures both nutrient and toxic minerals in the hair shaft.  Hair is the best medium to detect low-level toxicity from heavy metals like mercury, lead, cadmium, and is an excellent way to measure nutritional reserves of calcium, magnesium, zinc, chromium, selenium, and others.  Heavy Metal toxicity and nutrient mineral deficiencies can contribute to fatigue, mood changes, depression, aggression, and other conditions.  Easy to collect an inexpensive (£59, includes full colour report).