According to the official account of WeChat, a natural doctor inquired through WeChat. The spelling of Dr. DHA Tang Ma can be verified by the anti-counterfeiting sticker on the top of the box, and the authenticity of the product can be checked by scraping the anti-counterfeiting sticker on the top of the box. Sweep it with WeChat and jump out of Disney Dabai to tell you the authenticity of the product, one box and one yard.