A Tiny Book: Progressive Overload
- ...ur testing readings, we strongly recommend testing your ketone levels under the same conditions each time right after waking up in the morning before consuming anything in fasting status!.
- Ketone breath meter is guaranteed with 12 months, if you are not satisfied for any reason, we offer money back for 30 days after purchase, or we will replace you with brand new product at no charge, if you meet any problem during operation with our keto test devices, please contact our service team, and please check to make sure that all parts and components are included in the package. If any part is missing, please contact the retailer.