- blood draw(to test blood fat, sugars, and inflammation (lipid panel (LIPP), glucose (GLU), hemoglobin A1C (A1C), and hsCRP). For this blood draw we ask that the participant not consume alcohol for 24 hours preceding the visit. We ask that this be a 12 hour fasting blood draw. We also ask that the participant not take their medications the day of the draw, prescription or otherwise. Once the blood draw is complete, they made take any medications they have.