Find out what Minerals do and if you have any increased requirements

Fonte:
http://www.health-science-spirit.com/HF3-3.html

Trechos:

Chromium (Cr)

Active as trivalent chromium; its biological value differs greatly in various foods. Aim for 100 mcg of high bio-value, supplements as glucose-tolerance factor or chelated chromium.

DEFICIENCY SYMPTOMS Poor blood-sugar regulation (diabetes, hypoglycemia); disturbed fat/protein metabolism, alcohol intolerance, impaired growth, high blood pressure, arteriosclerosis, weight loss, fatigue, eye problems (opaque cornea, near-sightedness, glaucoma).

Zinc (Zn)

RDA 15 mg, recommended intake 20 to 30 mg daily; therapeutic dose up to 300 mg; best taken together with vitamin B₆. Diets low in protein and high in fiber, phytates, calcium, fat and copper may decease the absorption of zinc. Increased zinc is needed with calcium or magnesium supplements, and during chronic infections, convalescence and stress.

DEFICIENCY SYMPTOMS Skin: acne, boils, burns, leg ulcers, parakeratosis (horny red skin), poor wound healing, psoriasis, stretch marks. Hair: brittle, coarse, dandruff, falling, lacks pigment. Nails: white spots and bands. Eyes: keratitis (inflammations or lesions of the cornea), night blindness, retinal detachment. Taste and smell lost or distorted, mouth canker. Sexual problems: male sex organs underdeveloped, prostate enlarged, delayed sexual maturity, menstruation retarded, irregular, sterility. Poor growth, dwarfism. Body and breath odor, nausea (pregnancy). Poor circulation, cold extremities, fainting, heart infarct, sickle-cell anemia. Cancer, diabetes, epilepsy, gastric and duodenal ulcers, inflammation of the intestines (Crohn's disease), joint pains (especially knee and hip), liver cirrhosis/alcoholism, toxemia. Mental problems, increased emotionalism, hyperactivity, learning disorders, autism, schizophrenia. Loss of appetite, anorexia nervosa, multiple allergies.

Potassium (K)

RDA 2000 mg, recommended intake 3 g daily. Deficiency may originate from oversupply of sodium (salt), use of diuretics or adrenal weakness.

DEFICIENCY SYMPTOMS Anxiety, nervousness, fatigue; diabetes, hypoglycemia, heart strain, high blood pressure, liver problems, lower back pain, muscle weakness, multiple sclerosis, overweight, prevention of stroke.

SOURCES Kelp, fruits and vegetables.