Vitamin Deficiency Test lab tests in HealthLabs Lab Test Test Cost Vitamin A (Retinol) Test - Vitamin A blood test $58.00 Comprehensive Vitamin Panel $499.00 Vitamin B2 (Riboflavin) Test $120.00 Vitamin B12 Test $35.00 Vitamin B6 Test $129.00 Homocysteine Test - Homocysteine Test $68.00 Folic Acid (Folate) Test - Folate Blood Test $29.00 Vitamin B3 (Niacin) Test $49.00 Vitamin B5 Test $49.00 Comprehensive Vitamin Panel $499.00 Carotene (Beta Carotene) Test $49.00 Vitamin K1 Test $96.00 Vitamin B5 Test $49.00 Vitamin D 25-Dihydroxy (Calcitriol) Test - vitamin d test cost $85.00 Vitamin B6 Test $129.00 Vitamin A (Retinol) Test $58.00 Vitamin K1 Test $96.00 Vitamin B3 (Niacin) Test $49.00 Vitamin B12 Test - Vitamin B12 Testing $35.00 Carotene (Beta Carotene) Test $49.00 Vitamin B12 & Folic Acid Test - Vitamin B12 deficiency blood test $59.00 Vitamin D 25-Hydroxy (Calcidiol) Blood Test - Vitamin D Blood Test $59.00 Vitamin C Test $49.00 Vitamin E Test - Vitamin E Blood Test $48.00 Vitamin B12 & Folic Acid Test $59.00 Vitamin B1 Test $68.00