VitaChek-C Strips, 50 Test Strips - Riordan Clinic ...
The VitaCheck-C strip, on the color chart, reflects levels of vitamin C of 0, 5, 10, 20, 40, 50, and 100 mg/dL. The normal range of urine Vitamin C is greater than 20 mg/dL, and Dr. Riordan preferred levels above 40. A consistent urine Vitamin C of 20 mg/dL or lower may be trying to tell you something.'
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