Shipping & Delivery

Handled with care, delivered with speed.

Every Silver Lining Research order is packed under cold-chain protocol and shipped with tracking, so your research materials arrive intact and on time.

Fast Processing

Orders placed before 2pm ET on business days are processed and shipped the same day.

Discreet & Secure

Plain, unbranded packaging. Tracking is included on every order for full visibility.

Processing Time

Shipped within one business day.

Orders placed before 2:00 PM ET Monday through Friday are packed and handed to the carrier the same day. Orders placed after cutoff, on weekends, or on US federal holidays ship the next business day.

You will receive a shipment confirmation email with tracking information as soon as your order leaves our facility in Tampa, Florida.

Domestic Shipping (US)

ServiceDelivery TimeRate
USPS Priority Mail2–3 business days$12.00
UPS 2nd Day Air2 business days$25.00
UPS Next Day Air1 business day$45.00
Free Shipping2–3 business daysOrders over $200

International Shipping

RegionDelivery TimeRate
Canada5–10 business daysStarting at $35.00
Europe & UK7–14 business daysStarting at $45.00
Australia & NZ10–15 business daysStarting at $55.00
Rest of World10–20 business daysCalculated at checkout

International customers are responsible for any duties, taxes, or import fees assessed by their local customs authority. Please verify that research peptides can be lawfully imported into your country before ordering.

Tracking Your Order

A tracking number is emailed the moment your package ships. If you haven't received it within one business day of ordering, check your spam folder or reach out to our team.

Contact Support

What if my package is delayed?

Occasionally carriers experience delays. If your tracking hasn't updated in 3+ business days, contact us and we'll open an investigation.

Do you ship to PO boxes?

Yes — USPS Priority Mail delivers to PO boxes. UPS services require a physical street address.

What if my order arrives damaged?

Photograph the packaging and contents within 48 hours of delivery and email us. We'll replace any damaged items at no cost.