Pepsi Zero Sugar, is a zero-calorie, sugar-free, formerly ginseng-infused cola sweetened with aspartame and acesulfame K, marketed by PepsiCo. It originally contained nearly twice the caffeine of Pepsi's other cola beverages. From Wikipedia
The festive Pepsi Zero Sugar Gingerbread flavor is available through exclusive promotions and features Shaq in a playful holiday ad campaign.