Heavy metal | Toxic limit | Recommended intake/Safe intake |
Arsenic | 3 mg/day for 2 - 3 weeks | 15 - 25 micro g/day (adults) |
Cadmium | 200 micro/kg of fresh weight | 15 - 50 micro g/day (adults), 2 - 25 micro g/day children |
Lead | >500 micro g/L (Blood) | 20 - 280 micro g/day (adults), 10 - 275 micro g/day children |
Zinc | 150 micro/day | 15 micro g/day |