Last updated: October 17, 2026
30-day satisfaction guarantee
If you're not happy with a product you bought on optimumefx.com, contact us within 30 days of delivery and we'll make it right.
- Unopened products: return within 30 days of delivery for a full refund of the product price.
- Opened products: on your first purchase of any product, return the unused portion within 30 days of delivery for a full refund of the product price. One opened return per product, per customer.
How to start a return
- Email info@optimumefx.com with your order number and the item(s) you want to return.
- We'll reply with return instructions and the return address. Please don't send items back without contacting us first.
- Ship the item back. Return shipping is paid by the customer. We recommend a tracked service.
Refunds
Once we receive and check your return, we'll email you and refund your original payment method. Your bank or card provider may take 5–10 business days to post it. Original shipping charges are not refundable.
Damaged, defective or wrong items
If your order arrives damaged, defective or incorrect, email info@optimumefx.com within 10 days of delivery with your order number and photos of the product and packaging. We'll send a replacement or a refund at no cost to you.
What can't be returned
- Products bought from retailers, Amazon or other third-party sellers (please contact the seller)
- Free, sample or promotional items
- Products returned more than 30 days after delivery
International orders
Returns and refunds on orders shipped outside the United States are handled case by case. Please contact us before sending anything back.
Changing or cancelling an order
Email us as soon as possible. If your order hasn't shipped yet, we'll update or cancel it. Once it has shipped, it's handled as a return.
Questions? Email info@optimumefx.com. For delivery details, see our Shipping Policy.