How do I receive my $5 reward? When your friend purchases RXBARs for the first time from your custom referral link, you will receive an email with a $5 off discount code. Related articles I have not received my order or I can't find it. Do you offer discount codes or coupons? What are the natural flavors in RXBAR products? I referred a friend who purchased RXBARs. Why didn't I receive my discount code? Is there a limit to how many friends I can refer?