美国采购需求：益生菌、α-甘油磷酸胆碱、NMN、TUDCA、5α-羟基拉索菌素、刺槐豆胶

I hope this message finds you well. I'm reaching out because I'm interested in purchasing your extract product, specifically in the 1kg foil bag option. I would appreciate it if you could provide me with the details regarding the purchasing process. Are there any specific steps or requirements I need to fulfill in order to move forward? Additionally, I would like to know how quickly you can ship the order to Rhode Island, USA. Timely delivery is important, so any information you can provide about estimated shipping times would be greatly appreciated. Thank you for your assistance, and I'm looking forward to your prompt response.