Vitamin Deficiency Test lab tests in True Health Labs Lab Test Test Cost Vitamin A - Vitamin A blood test $159.00 Vitamin B-3 (Niacin), Plasma $229.00 Folate, RBC $89.00 Homocysteine Test - Homocysteine Test $89.00 Folate (Folic Acid) - Folate Blood Test $49.00 Vitamin B-6, Plasma $139.00 Beta Carotene Test $109.00 Vitamin B-12 Blood Test | STTM - Vitamin B12 Testing $49.00 Vitamin B-5 (Pantothenic Acid), Serum $219.00 Vitamin C $109.00 Parietal Cell Antibody (APCA) $129.00 Vitamin D Test - Vitamin D Blood Test $79.00 Methylmalonic Acid Urine Test - Methylmalonic Acid Urine Test $159.00 Vitamin B-12 Blood Test - Vitamin B12 Testing $49.00 Vitamin B2 (Riboflavin) $39.00 Intrinsic Factor Blocking Antibodies $129.00 Vitamin B-1 (Thiamine), Plasma - Thiamine Blood Test $109.00 Methylmalonic Acid Blood Test - Methylmalonic Acid Test (Blood) $269.00 Methylmalonic Acid MMA - Methylmalonic Acid Test (Blood) $279.00 Vitamin B-12 and Folate (Folic Acid), Serum - Vitamin B12 deficiency blood test $149.00 Vitamin D 1,25 Dihydroxy Active Form - vitamin d test cost $159.00 Vitamin K $289.00 Vitamin E - Vitamin E Blood Test $119.00