Contact
We assist our customers with order and billing questions only.
Check EligibilitySupport Notice
We provide support only for customers who have purchased directly from DiaLuma.com or CGMforFree.com.
If you did not order through us, or if your question is about equipment, sensors, apps, or technical issues, please contact the device manufacturer directly.
We are only able to assist with order and billing questions.
Hours of Operation
Monday – Friday: 8:00 AM – 4:00 PM EST
Saturday – Sunday: Closed
Customer Service
For questions about an existing order, shipment, or billing issue related to DiaLuma or CGMforFree.com:
We Cannot Assist With
- Product setup, troubleshooting, or sensor/app issues
- Equipment replacements, malfunctions, or connectivity problems
- Product returns (we do not process returns)
- Requests from individuals who did not purchase directly from DiaLuma or CGMforFree.com
Manufacturer Support
For all product or equipment questions, please contact your manufacturer directly:
Our team can confirm which manufacturer to contact if you're unsure — but we cannot resolve device or app issues.