I found this, from an Indian pharmacy I use:
	
	
		
			
			
				
				Wholesaler of Erectile Dysfunction Medicines - 2, Antibiotic, Antifungal & Antimicrobial Medications & Anti Depression, Anti Anxiety And Other CNS Meds offered by DM Pharma Bridge Export from Nagpur, Maharashtra, India
				
					
						
							 
						
					
					www.dmonlinemeds.com
				
 
			 
		 
	 
They have both ampules and vials of iron.  (Personally, I prefer vials for my subq injections, but I have never used iron.)
This 
vial is for infusion too, but vials are more expensive ($45 in this case):
This ampule for IV infusion is much cheaper ($4):
	
	
		
			
			
				
				Wholesaler of Erectile Dysfunction Medicines - 2, Antibiotic, Antifungal & Antimicrobial Medications & Anti Depression, Anti Anxiety And Other CNS Meds offered by DM Pharma Bridge Export from Nagpur, Maharashtra, India
				
					
						
							 
						
					
					www.dmonlinemeds.com