Is Caffeine-Free Diet Coke Vegan? Yes, Coca-Cola makes Caffeine Free Diet Coke for vegans. But, they don’t list this information on the product label. The caffeine-free diet coke contains no artificial sweeteners because it has no animal ingredients such as gelatin products, egg whites and milk. The only natural ingredient that comes from a living… Continue reading Is Diet Coke Vegan? Find Out Here!