Iron deficiency is not a small shortfall you can eat your way out of quickly. It is a measurable deficit, and the two ways of closing it run on very different clocks.
4,000mg
Total iron in the body
1,000mg
Normally held in reserve as ferritin
200mg
Replaced per month by diet and tablets
1,000mg
Replaced in a single infusion
Iron stores replenished, mg
IntravenousDiet and tablets
5months
is how long 200 mg a month takes to close a 1,000 mg deficit. An infusion closes it in one visit, and patients report feeling better in days.
Figures as published by The Iron Clinic. The five-month figure is arithmetic on those figures, not a separate claim. Around 2 to 3% of patients report flushing or mild abdominal discomfort during an infusion.