
Is Aluminum Foil Safe to Swallow?
Aluminum foil is around 98.5% aluminum plus iron and silicon. Aluminum foil is non-toxic. Swallowing a small piece of aluminum foil is not harmful. Exposure to aluminum is usually not harmful, unless the person is exposed to a large amount. Aluminum can be irritating to the skin, eyes, and lungs. Long-term exposure can cause osteoporosis and can also affect the nervous system.