Zinc: Dosage Range

RECOMMENDED DIETARY INTAKES

Children

• 1-3 years: 3 mg/day.

• 4-8 years: 4 mg/day.

• 9-13 years: 6 mg/day.

• Males 14-18 years: 13 mg/day.

• Females 14-18 years: 7 mg/day.

Adults

• Males >19 years: 14 mg/day.

• Females > 19 years: 8 mg/day.

Pregnancy

• <19 years: 10 mg/day.

• >19 years: 11 mg/day. Deficiency

• 25-50 mg elemental zinc daily.

ACCORDING TO CLINICAL STUDIES

Common cold — zinc gluconate lozenges (free of sorbitol, mannitol or citric acid).

• Adults: 9-24 mg elemental zinc dissolved in the mouth, without chewing every 2 hours for acute treatment.

• School-aged children: dissolved in the mouth once daily as prophylaxis and four times daily for acute treatment.

*lt is recommended that citrus fruits or juices be avoided 30 minutes before or after dissolving each lozenge to avoid negating the effects of zinc.

• Common cold — nasal gel spray containing either 33 mmol/L zincum gluconicum administered four times a day for a maximum of 10 days.

• ARMD — zinc oxide (equivalent to 80 mg elemental zinc), together with 500 mg vitamin C, 400 IU vitamin E, and 15 mg beta-carotene, taken daily.

• ADHD —55-150 mg zinc sulfate daily.

Diabetes — 30 mg/day (type of zinc unknown).

• Wound healing — 2.5 mg/kg zinc sulfate daily.

• Leg ulcers — 600 mg zinc sulfate daily.

• Acne vulgaris — 90-200 mg (50 mg elemental) daily.

• Crohn’s disease — 110 mg zinc sulfate taken three times daily.

Herpes infection — 0.25% zinc sulfate solution applied 8-10 times daily.

Anorexia nervosa — 50 mg elemental zinc daily.

• Dysgeusia — 140 mg zinc gluconate daily.

• Tinnitus — 50-200 mg daily of zinc (salt unknown).

Warts —10 mg/kg zinc sulfate taken orally in three divided doses (up to 600 mg/day) for 1-2 months.