FreeStyle Optium β-Ketone Test Strips are designed for accurate self-testing of blood ketone levels (β-hydroxybutyrate) using fresh capillary whole blood, helping people with diabetes monitor for ketosis or diabetic ketoacidosis (DKA).

Key features

• No coding required for simple, error-free testing with compatible meters like FreeStyle Optium Neo, Optium, or Libre systems.
  
• Requires only 1.5 µL blood sample; top- or end-fill with visual confirmation and fill trigger for reliable results in 10 seconds.
  
• Measures 0.0–8.0 mmol/L range; individually foil-wrapped 10 strips protect from air and humidity.
  
• Suitable for fingertip or alternate site testing; use within 30 minutes of venous sampling if applicable.