Heavy metals & trace elements

The highly comprehensive and accurate table includes all the trace elements and the role of each of them in the body. It is particularly useful to interpret the hair mineral analysis results available on our site.
Toxic mineral rates available here
Blood hormone rates available here

Trace elements & major minerals in adults

Elements Daily needs Main food sources Main biological symptom Hair content (ppm*)
Deficiencies Excess
Calcium 900 mg Milk products, cereals, hard mineral water Cavities, cramps, rickets, insomnia Stomach ulcers, kidney stones 400 à 2500,0
Phosphorous 800 mg Dairy products, eggs, meat, fish Fatigue, nervousness, loss of memory Ossification problems in children 100,0 à 200,0
Magnesium 350 mg Dried vegetables and fruit, chocolate, shellfish Fatigue, anxiety, palpitations, brittle nails (Rare in healthy people): Drops in blood pressure, nervous disorders 25,0 à 200,0
Sodium 3 g Salted and smoked food, charcuterie Dehydration, drop in blood pressure, dizziness High blood pressure, migraines, kidney and heart disorders 70,0 à 250, 0
Potassium 1 g Dried vegetables and fruit, potatoes, bananas Fatigue, drop in blood pressure, heart rate disorders Muscular weakness, sever heart disorders 30,0 à 100,0
Sulphur 800 mg eggs, meat, fish, garlic, onions… Liver disorders, hair and skin problems Anti B1-vitamin action (in sulphite form) 25000 à 60000
Iron 15 mg Meat and offal, black pudding, shellfish, soya Fatigue, anaemia, various infections, brittle nails. Dangerous in people suffering from liver failure 5,0 à 30,0
Copper 3 mg Liver, mushroom, shellfish, fish Anaemia, various infections, slow growth Vomiting, migraine, fever 10,0 à 50,0
Zinc 15 mg Fish, oysters, and shellfish, eggs, dried vegetables Fatigue, lack of appetite, hair and skin problems Digestive disorders 100,0 à 300,0
Manganese 3 mg Nuts, brown rice, dried vegetables, tea Allergies, nervousness Well tolerated, rapid elimination (intestine and bile) 0,1 à 2,0
Nickel 0,30 mg Dried vegetables, cereals, rice, tea, coffee deficiencies - rare and little known: Digestive disorders? Fever, allergies 0,1 à 2,0
Chromium 0,15 mg Liver, wholegrain cereals, unrefined sugar, honey, tea Diabetes, high cholesterol, cardio-vascular risks Lung disorders, mucous ulceration 0,1 à 2,0
Cobalt 0,02 mg Liver, nuts, vegetables, cereals, shellfish, beer Anaemia, migraine, anxiety Severe heart lesions (beer drinkers) 0,1 à 2,0
Molybdenum 0,3 mg Haricot beans, rice, pasta, dried vegetables, cocoa Cavities, weight loss Arthritis (effect corrected by administering copper) 0,1 à 2,0
Selenium 0,15 mg max Meat, fish shellfish, soya Weakness, cell ageing, heart disorders Cavities, hair loss. Very toxic at high doses. 0,2 à 5,0
Germanium 0,10 mg max Garlic, parsley, cress Nervous disorders, various infections Relatively well tolerated (except oxides and salts = toxic) 0,1 à 2,0
Silicon 25 mg Cereals, vegetable fibres, radish Tendinitis, cavities, hair loss, limp nails Very few studies 5,0 à 25,0
Silver traces Very few studies Repetitive infectious diseases Migraine, fever 0,1 à 2,0
Gold traces Very few studies Fatigue, various infections Only slightly toxic 0,1 à 2,0
Tin traces Fish, meat, peas, spinach, asparagus Cavities, growth disorders (to be proven) Fever, mucous irritation, digestive disorders 0,1 à 2,0
Fluoride 1 mg Tomatoes, chicory, cherry, fish, mineral water Bone decalcification Kidney and bone disorders. Very toxic at high doses.
Arsenic 0,01 mg max Seafood, shellfish Growth disorders, heart disease Arsenic salt and oxide – highly toxic < 10,0
Iodide 0,20 mg Fish and seafood, green beans Hypothyroidism: fatigue, weight gain, lack of energy Hyperthyroidism: nervousness, weight loss
Lithium 2 mg Cereals, vegetables, eggs, fish, meat Anxiety Medication abuse: Kidney failure, convulsions < 2,0
Vanadium 0,3 mg Vegetable oils Growth and nerve disorders Irritated mucous, asthma 0,1 à 1,0
* 1 ppm = 1 µg (microgram). Or: 0.000001 gram