Caffeine Metabolism Test $69.00 How many tests do you require? None 1 test 2 tests (+$55.00) 3 tests (+$110.00) 4 tests (+$165.00) Would you like to add another Metabolism test at a discounted price? * Select an option... No Yes, Vitamin D Metabolism (+$55.00) Yes, Folate Metabolism (+$55.00) Yes, Alcohol Metabolism (+$55.00) Yes, Vitamin D Metabolism & Folate Metabolism (+$110.00) Yes, Vitamin D Metabolism & Alcohol Metabolism (+$110.00) Yes, Folate Metabolism & Alcohol Metabolism (+$110.00) Yes, Vitamin D, Folate Metabolism & Alcohol Metabolism (+$165.00) Caffeine Metabolism Test quantity — OR — Add to cart * Required field