Díaz Lab Testing Store › Folate B9 | Folate B9 | $27.00 Measures folate status — essential for methylation, DNA repair, red blood cell production, and pregnancy health. Add To Cart Added! Measures folate status — essential for methylation, DNA repair, red blood cell production, and pregnancy health. Add-on: Integrative-Functional Lab Interpretation Report with Recommendations by Adalys Díaz $77.00 Add Added!