Search Tests & Services Keyword Search Category Dry Eyes General Physician Consult Individual Test (analyte) Other Respirator Fit Vaccine Vitamin/Nutrition Deficiency Blood Draw Cardiac Health Digestive Health DNA/Genetic Drug and Alcohol Testing General Wellness Infectious Disease Inflammation - Autoimmune Men's/Women's Health Physical Sensitivities & Allergies Sexual Health (STD/I) All Categories Dry Eyes General Physician Consult Individual Test (analyte) Other Respirator Fit Vaccine Vitamin/Nutrition Deficiency Blood Draw Cardiac Health Digestive Health DNA/Genetic Drug and Alcohol Testing General Wellness Infectious Disease Inflammation - Autoimmune Men's/Women's Health Physical Sensitivities & Allergies Sexual Health (STD/I) × Clear Showing 1–3 of 3 results Sort by price: low to high Sort by price: high to low Sort by latest Serum Tears 40mL $299.00 Serum Tears 60mL $395.00 Serum Tears 90mL $439.00