美国采购需求：GMP 级注射用 Retatrutide，人用肽，购买注射用 Retatrutide，高品质注射用肽，GMP 认证肽，在线购买 Retatrutide

I hope this message finds you well. I'm reaching out regarding a specific requirement we have for a product in the 20mg range. We are looking for detailed information about available options, including pricing, lead times, and any bulk purchase discounts you might offer. Additionally, if you have any product specifications, certifications, or samples available, that would be great for our assessment process. It would also be helpful to understand your production capabilities and the potential for customization, as we have specific performance criteria in mind. Please provide any relevant details at your earliest convenience, as we are eager to move forward with our sourcing decision. Looking forward to your prompt reply!