Questions & answers.

Yes. Glutathione, NAD+ and BAC water are selected products from our wider research range. Share the product name you are looking for, or request the wider product list, available specifications and pricing.

The minimum order is one box. The featured lyophilized vial products are presented in ten-vial boxes. Confirm the packaging and specification for your selected product with our team.

Starting prices are displayed in USD or EUR using Frankfurter reference exchange rates. Use the product section's currency buttons to switch currencies. Prices are rounded up to one decimal place, and reference rates are checked every 30 minutes. The final quotation confirms the product specification and packaging.

Browse Testing & reports in the Quality section or contact our team. Supplier-provided COAs retain their original issuer and report details. Our team confirms availability and the applicable product, sample or batch individually. Relevant documents may be shared privately where available.

If testing confirms a product quality issue, we assess the applicable refund, compensation or replacement under our customer notice. We can also arrange verification using the product batch number. Share the product details, batch number and available test results to begin a review.

You may arrange your own testing or commission us to submit products from the relevant batch. Our arranged service has a per-test fee, shown in USD or EUR on our Quality & testing page. The testing and case-handling process is documented with audio and video recordings, kept confidential for internal verification.

We support factory visits for customers who have an order with us. An order is required to arrange a visit. Please contact our team for the details, scheduling and visit arrangements.

Orders are dispatched from China, normally within three days after full payment and order confirmation. If stock shortages or other factors affect timing, we inform you in advance and agree whether to wait, substitute, refund or arrange another appropriate solution. Transit time is confirmed separately.

We offer replacement for shipments confirmed as detained or seized by customs. Contact our team with the shipment reference and any customs notification so we can review the documents and coordinate the replacement.

Your contact details and inquiry are stored by SPECIVIS and sent to our internal order-handling inbox through Resend, our email delivery provider, so our team can respond and provide support. We do not make repeated unsolicited sales calls. Testing and case-handling recordings are kept confidential for internal verification.

Use WhatsApp, Telegram or Messenger, or submit the four-field inquiry form. The WhatsApp entry connects you with one of our service accounts. All inquiry form fields are required.