Kirkland Signature Adult Multivitamin Gummies are harām and impermissible to consume due to them containing gelatin (in reference to the vitamins made in the US).
Kirkland Chocolate Hazelnut Cream Donuts are halāl and permissible to consume.
Costco Kirkland Signature New York Style Cheesecake with Strawberry Topping is halāl and permissible to consume.
Kirkland Signature Bakery Butter Croissants are halāl and permissible to consume.