Although the purchasing agent around you may not know much about this brand, you can find the official website and product information of this brand online, and you can also buy the products of this brand through other channels. Before buying, it is recommended that you read the product manual and ingredient list carefully to ensure that the product is suitable for your health and needs, and follow the usage and dosage. Besides, if you have any health problems or doubts, you'd better consult your doctor first.