Saffron is a prized natural herb that is widely used in cooking, flavoring, and herbal medicine**. The frequency of drinking saffron can vary depending on the individual's needs and physical condition, but in general, it is advisable to drink it 1-2 times a week.
Saffron has a variety of health benefits, such as antioxidant, anti-inflammatory, antidepressant, and antibacterial. It is rich in a variety of active ingredients such as safflowerin, carotenoids, fatty acids, and vitamins, among others, which help to boost immunity, promote health, and prevent disease. In cooking, saffron is often used to modulate the color, taste, and aroma of food. It can be used to make rice, pasta, soups, pastries, etc., adding color and flavor to food, as well as imparting a unique aroma. 
Among herbal medicines**, saffron is considered a potent natural herb. It is used for a variety of ailments such as anxiety, insomnia, dysmenorrhea, and indigestion, among others. Drinking saffron may alleviate these symptoms by regulating the nervous system, improving mood, and improving sleep quality. However, despite the many benefits of saffron, drinking it in excess may cause adverse effects. Long-term or high doses may cause symptoms of poisoning, such as vomiting, diarrhea, dizziness, and allergies. Therefore, it is advisable to drink it in moderation and consult a doctor or professional for advice before use. 
In general, it is appropriate to drink saffron 1-2 times a week. The specific way to drink it can be determined according to individual tastes and needs, and you can choose to drink saffron in water or use it in cooking. In any case, care should be taken to use it in moderation and to watch the body's reaction. If you have any discomfort or doubts, you should consult a doctor or professional in time.