Beginning your day with black coffee accelerates metabolism, improves brain function, and delivers antioxidants. It enhances energy, improves heart health, facilitates digestion, and leads to overall well-being for an effective day. Beginning your day with black coffee accelerates metabolism, improves brain function, and delivers antioxidants. It enhances energy, improves heart health, facilitates digestion, and leads to overall well-being for an effective day. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle