While pineapple and ginger are both healthy and nutritious ingredients, there is no evidence to suggest that they have any specific fat-burning properties, particularly targeted at belly fat. However, pineapple and ginger can benefit weight loss and improve overall health. Pineapple contains bromelain, an enzyme that can help with digestion and reduce inflammation, which may indirectly support weight loss. Meanwhile, ginger can help with digestion and reduce appetite, which may also contribute to weight loss. It's worth noting that no single food or ingredient can magically burn fat. A balanced diet and regular exercise are the most effective ways to achieve and maintain a healthy weight.