Is All Custard Powder Gluten Free?

Is All Custard Powder Gluten Free? Most homemade custards are made from milk, sugar and eggs which are naturally gluten-free ingredients. That being said, some big brands of pre-packaged custard could have issues with cross-contamination and/or using gluten ingredients as thickeners. Does custard powder have gluten in it? Most homemade custards are made from milk,