Is Aluminum Foil Toxic? Aluminum Foil is Heat Resistant but Not Acid Resistant, Avoid 3 Acidic Substances to Prevent Aluminum Le

Aluminum foil is made of metal aluminum, which leads some people to worry about aluminum leaching and contaminating food when used. According to data from the Food and Drug Administration (FDA), aluminum foil can withstand high temperatures of 400-600 degrees Celsius. Whether boiling, using an oven, or grilling over charcoal, there's generally no need to excessively worry about metal leaching risks. However, when many people use aluminum foil to grill meat or fish and season them beforehand with vinegar, lemon juice, or ketchup, caution is advised. When acidic substances come into contact with aluminum foil, they can corrode the foil and release small amounts of aluminum. The FDA recommends that consumers add seasonings after the food is cooked and the aluminum foil is removed. If the aluminum foil is scratched, it should be replaced with a new one. According to integrated information from nutritionists Yang Yingzhi and Zhou Yishan (Muzi Nutritionist), individuals with normal kidney function can metabolize aluminum through urine. Drinking plenty of water can aid in this process, so there's no need for excessive worry. It is recommended to drink at least 2000-2500ml of water daily to promote bodily metabolism and reduce the harm of aluminum ions to the body.