Last updated: 11/01/2025
Website: https://sigmapeptides.com
Contact Email: support@sigmapeptides.com
🧾 Accepted Payment Methods
We currently accept the following secure payment options:
- eDebit Bank Transfer (via Plaid): Pay directly from your bank for US orders.
- Credit/Debit Card (via CoverWell Cosmedicard): Use your card for US orders with built-in purchase protection.
- Credit/Debit Card with MoonPay: Card checkout for Puerto Rico via licensed ramp.
- Credit/Debit Card with Transak: Card or digital wallet (Apple Pay/Google Pay) for Puerto Rico via licensed ramp.
Note: All payments are processed through PCI-compliant, third-party licensed providers. We do not store your full payment card information. 3-D Secure verification may be required for additional fraud protection.
⏳ Order Processing Time
- Orders are processed within 1–3 business days after payment confirmation.
- Orders placed on weekends or holidays are processed on the next business day.
- Orders requiring manual review or ID verification may experience minor delays. We will notify you if this applies.
🚚 Shipping Regions
We currently ship to:
- All 50 U.S. States
- Puerto Rico
Important: We do not process or charge card transactions for international shipping. Our operations currently serve the United States and Puerto Rico only.
📦 Shipping Methods & Delivery
- Carrier: USPS (domestic USA & Puerto Rico)
- Delivery Estimates:
- United States (mainland): 2–5 business days
- Puerto Rico: 5–7 business days
- Shipping Cost: Free on orders over $300. Otherwise a flat rate of $15.
- Tracking & Signature: Tracking is provided via email once your order ships. Signature may be required on higher-value packages.
⚠️ Shipping Terms
- Once marked as “Delivered” by the carrier, Sigma Peptides is not liable for theft, delays or misplacement by the carrier. Please verify your delivery location with your local post office.
- You are responsible for providing accurate and complete shipping information. We are not liable for undeliverable orders due to address errors.
Compliance Notice: We respect all federal, state, and city regulations. Shipping restrictions are automatically updated by WAAVE Compliance and displayed in the website footer.
🔁 Returned or Undeliverable Packages
- Returned shipments due to address errors or refusal will require a new shipping fee to reship.
- Alternatively, we can offer a partial refund minus shipping and restocking fees.
🎁 Packaging
All orders are shipped in discreet, unbranded packaging. There are no logos or references to product type, peptides, or research materials on the exterior.
🧪 Product Use Policy
All items sold by Sigma Peptides are strictly for in-vitro laboratory research only and are not intended for human or animal use, consumption, or diagnostic purposes.
By purchasing, you acknowledge and agree:
- You are 21 years of age or older.
- You will not misuse these materials.
- You understand and accept the risks associated with research materials.
❌ Order Cancellations
We are unable to guarantee cancellations after payment. If the order has not yet shipped, please contact us immediately and we will do our best to assist.
📮 Shipping to Puerto Rico
Yes, we ship to Puerto Rico. Orders to Puerto Rico are handled through USPS Priority or Express Shipping with full tracking. Delivery times are typically 5-7 business days, though minor delays may occur due to weather or customs clearance.
📩 Questions or Support?
For help with payment, shipping, or order status:
We are here to assist Monday–Friday during business hours (U.S. Central Time).