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Preparing for your lab draw (Fasting, exercise, medication/supplement)

How to prepare for your mobile lab draw

Getting ready for your at-home blood draw is straightforward. Following these steps will help ensure accurate results and a smooth process:


1. Avoid strenuous exercise for two days

Intense workouts can temporarily affect biomarkers related to muscle breakdown and inflammation. For the most accurate results, avoid strenuous exercise for at least 48 hours before your blood draw. Gentle activities like walking or stretching are fine.


2. Fast for 12 hours

To ensure reliable results, fast for at least 12 hours before your appointment. This means no food or beverages except water. Black coffee is usually acceptable if approved by your healthcare provider.


3. Avoid alcohol for 24 hours

Alcohol can impact biomarkers like blood sugar and liver enzymes. Avoid consuming alcohol for at least 24 hours before your blood draw.


4. Skip supplements for 24 hours

Avoid taking supplements, as they can temporarily alter certain biomarkers. If you use biotin or have recently had vitamin/mineral infusions, consult your doctor—they may need to be discontinued earlier.


5. Stay hydrated

Proper hydration makes veins easier to locate and the blood draw quicker. Drink plenty of water the day before and the day of your appointment.


6. Prepare your ID for verification

Have a valid photo ID ready to confirm your identity when the phlebotomist arrives for your at-home appointment.


Additional tips

  • Update your health profile or intake form before the appointment.
  • Set a reminder to start preparing the night before, especially for fasting and hydration.

By following these steps, you’ll ensure a smooth and efficient blood draw experience. Relax and let Welle’s expert phlebotomists handle the rest!

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