Table 1.

Insulin types and pens

Type of insulin	Concentration	Brand name(s)	Manufacturer	Multi-use vials	Pen vials	Injection pens
						Disposable prefilled	Reusable
Veterinary insulin preparations
Insulin zinc suspension (lente)	40 U/mL	Vetsulin, Caninsulin	MSD Animal Health	2.5 mL and 10 mL	2.7 mL	None	VetPena,b
PZI	40 U/mL	ProZinc	Boehringer Ingelheim	10 mL	None	None	None
Traditionally available human insulin preparations
Regular insulin	100 (and 500) U/mL	Humulin R, Humulin S	Eli Lilly	3 mL and 10 mL (500 U/mL, 20 mL)	3 mL Humulin S	None	HumaPensa,b
Regular insulin	100 U/mL	ActRapid	Novo Nordisk	10 mL	3 mL	None	NovoPensa,b
Regular insulin	100 U/mL	Insuman Rapid	Sanofi Aventis	None	3 mL	None	Autopenb ClickSTARb ALLSTARb JuniorSTARa
NPH insulin	100 U/mL	Humulin N, Humulin I	Eli Lilly	10 mL and 3 mL	3 mL	Humulin N and Humulin I KwikPena	HumaPensa,b
NPH insulin	100 U/mL	Protophane	Novo Nordisk	10 mL	3 mL	Innoleta	NovoPensa,b
NPH insulin	100 U/mL	Insuman Basal	Sanofi Aventis	5 mL and 10 mL	3 mL	SoloSTARb	Autopenb ClickSTARb ALLSTARb JuniorSTARa
50% regular and 50% NPH	100 U/mL	Mixtard 50/50	Novo Nordisk	None	3 mL	Innoleta	NovoPensa,b
50% regular and 50% NPH	100 U/mL	Insuman Comb 50	Sanofi Aventis	None	3 mL	None	Autopenb ClickSTARb ALLSTARb JuniorSTARa
30% regular and 70% NPH	100 U/mL	Mixtard 30/70	Novo Nordisk	None	3 mL	Innoleta	NovoPensa,b
30% regular and 70% NPH	100 U/mL	Humulin 70/30; Humulin M3	Eli Lilly	10 mL and 3 mL	3 mL	Humulin 70/30; Humulin M3 KwikPenb	HumaPensa,b
25% regular and 75% NPH	100 U/mL	Insuman Comb 25	Sanofi Aventis	5 mL	3 mL	SoloSTARb	Autopenb ClickSTARb ALLSTARb JuniorSTARa
New human insulin preparations
Insulin lispro	100 U/mL	Humalog	Eli Lilly	3 mL and 10 mL	3 mL	Humalog KwikPenb	HumaPensa,b Autopenb
Insulin aspart	100 U/mL	NovoLog; NovoRapid	Novo Nordisk	10 mL	3 mL	NovoLog FlexPenb	NovoPensa,b
Insulin glulisine	100 U/mL	Apidra	Sanofi Aventis	10 mL	3 mL	Apidra SoloSTARb	Autopenb ClickSTARb ALLSTARb JuniorSTARa
50% lispro and 50% lispro protamine	100 U/mL	Humalog Mix 50/50	Eli Lilly	10 mL	None	Humalog Mix50 KwikPenb	None
30% aspart and 70% aspart protamine	100 U/mL	NovoLog Mix 70/30; NovoMix 30	Novo Nordisk	10 mL	3 mL NovoMix 30	NovoLog Mix 70/30 FlexPenb	NovoPena,b
25% lispro and 75% lispro protamine	100 U/mL	Humalog Mix 75/25	Eli Lilly	10 mL	None	Humalog Mix25 KwikPenb	None
Insulin glargine	100 U/mL	Lantus	Sanofi Aventis	10 mL	3 mL	Lantus SolarSTARb	Autopenb ClickSTARb ALLSTARb JuniorSTARa
Insulin glargine	100 U/mL	Abasria	Eli Lilly	None	3 mL	KwikPenb	HumaPensa,b
Insulin detemir	100 U/mL	Levemir	Novo Nordisk	10 mL	3 mL	Levemir FlexPenb Levemir FlexTouchb	NovoPensa,b
Insulin degludec	100 (and 200) U/mL	Tresiba	Novo Nordisk	3ml (100U/mL)	3mL	Tresiba FlexTouchbc	NovoPensb

Notes:

^a0.5 U increments;

^b1 U increments.

^c2 U increments. Availability of cartridges, insulin types, and pens will vary depending on country.

Abbreviations: NPH, isophane; PZI, protamine zinc insulin.