Last Updated: 06/02/2025
Website: https://sigmapeptides.com
Contact: support@sigmapeptides.com
At Sigma Peptides, your satisfaction is our priority. We stand behind the quality of our research materials and aim to ensure a smooth experience with every order.
We accept refund or return requests under the following conditions:
Products must be unopened, unused, and in original packaging
Requests must be made within 30 days from the confirmed delivery date
Maximum of two opened units may be considered for refund on a case-by-case basis, subject to inspection
Returns must be pre-approved by our support team with a valid RMA (Return Merchandise Authorization)
Due to the nature of our research-use products, the following are not eligible for return or refund:
Products that have been opened or used (unless approved under our case-by-case review)
Products improperly stored, handled, or contaminated
Orders where communication includes intent for human or animal use, which violates our terms of sale
Any messages or emails referencing personal consumption will void eligibility for return or refund.
If your order arrives damaged or contains incorrect items:
Contact us within 48 hours of delivery
Provide photos and a description of the issue
We will investigate and, if approved, offer a replacement, store credit, or full refund
We cover return shipping costs only in cases of:
Incorrect item shipped
Damaged or defective product
For all other cases, return shipping is the customer’s responsibility
We strongly recommend using a trackable shipping method
Once we receive and inspect your return:
Refunds are typically processed within 2–5 business days
Funds will be issued back to the original payment method
If the original method is unavailable, store credit or alternative refund options may be offered
We do not charge restocking fees. However, excessive return requests may be flagged for review and may impact future purchase eligibility.
Email support@sigmapeptides.com with:
Your order number
Product(s) you wish to return
Reason for return
Await RMA approval and return instructions
Ship the items back using the provided return label (if eligible)
Await confirmation and refund processing
Sigma Peptides supplies research-only materials not approved for human or animal consumption. Any misuse or misrepresentation in communication regarding intended use may result in cancellation of your return rights and refusal of future orders.
We’re here to help.
📧 support@sigmapeptides.com
🌐 https://sigmapeptides.com
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