Summary:  Intermittent fasting is one of the most popular wellness strategies in 2025, and coffee plays a vital role in supporting energy, appetite control, and mental clarity during fasting windows. This blog explores the science behind coffee and fasting, the benefits of instant coffee, and why Kettleberry’s classic zero sugar blend is an ideal choice for fasters and dieters. From metabolic support to gut health, we break down everything you need to know to make Instant Cof