Starch is a substance, one form of which is used for cooking, and another which is used to add firmness and shape to clothing. Starch ingestion occurs when someone accidentally or intentionally swallows starch.
Cooking and laundry starch are both made from vegetable products, most commonly:
Both are usually considered non-poisonous (non-toxic), but some older laundry starches may contain:
Cooking starch and laundry starch are different substances. There are many brand names for both. This list may not include all uses of starch.