High-Dose Vitamin C IV therapy clinics in Canada
The honest verdict
IV vitamin C at gram doses genuinely does something oral cannot: it pushes blood levels far above the ceiling your gut and kidneys enforce. That is real physiology, it is why high-dose IV vitamin C is studied in oncology settings under medical supervision, and it is not evidence that the same infusion does anything for a healthy person buying a wellness drip.
The one documented consumer risk is specific: hemolysis in people with G6PD deficiency, most of whom did not know their status. Ask any clinic offering gram-dose vitamin C what they do about G6PD.
Real prices from Canadian clinic menus we captured: $175 to $499 across 4 published menu items. See the price index for city detail.
- Who should not get IV therapy
- IV versus oral: the honest absorption story
- Drip-by-drip evidence verdicts
Frequently asked questions
What does high-dose IV vitamin C do?
It raises blood vitamin C far above what oral dosing can achieve, because it bypasses gut absorption limits. Whether those levels benefit a well-nourished person is not established; research interest is concentrated in supervised clinical settings, mostly oncology, not wellness lounges.
Is high-dose vitamin C dangerous?
The well-documented risk is hemolysis in people with G6PD deficiency, an inherited condition most affected patients did not know they had. Kidney stones and kidney strain are also flagged at high doses in susceptible people. Screening questions exist for a reason.
Should I be tested for G6PD first?
That is a question for a doctor. The published case series shows most affected patients were unaware of their status, and the authors called for physician awareness at high doses. Asking the clinic what they do about G6PD is reasonable, and their answer is informative.
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