The Japanese take vinegar before meals because of its numerous health benefits, including improved digestion, weight management, blood sugar control, and detoxification. The habit boosts metabolism, immunity, and overall health, thus a major eating habit. The Japanese take vinegar before meals because of its numerous health benefits, including improved digestion, weight management, blood sugar control, and detoxification. The habit boosts metabolism, immunity, and overall health, thus a major eating habit. Health and Fitness, Health Tips, Exercises & Workout Tips, Diet & Wellness | Times of India Lifestyle