Nitrite in Cured Meats

... According to the data from “GRAS (Generally Recognized as Safe) Food Ingredients”, a single dose of 30 to 35 grams of potassium nitrate can be highly hazardous and possibly fatal to adult humans.
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The data also described that a single intake of sodium nitrate within the range of 22-23 mg/kg body weight can be deadly to human. Furthermore, research have found that inadequate consumption of potassium or sodium nitrate may cause methemoglobinemia (incapability of haemoglobin to convey oxygen) as a result of nitrate conversion to nitrite which can seriously compromise human health especially infants. ...