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Needle Length for Insulin Injection

Forum for Injection Technique. Recommended Needle Length for Insulin Injection: 4, 5 and 6mm needles are suitable for all people living with diabetes.
FIT Needle Length- ogo

Did you know?

Insulin is best absorbed in the subcutaneous layer

Insulin injected into the muscle will not be absorbed properly. It may be painful and could be the cause of low or high blood sugars.

FIT Needle Length- 1

Did you know?

Needles come in many lengths from 4mm to 12.7mm long.

Fit-Needle Length 2

New research of the skin shows that on average the skin is only 1.6-2.4mm thick in all people living with diabetes.1, 5

Fit-Needle Length 3

This means that 4, 5 and 6mm needles are suitable for all people living with diabetes who inject.4

FIT Needle Length - 4
FIT Needle Length- 7

Did you know?

How you inject your insulin matters

If you choose to use longer pen needles or syringes, or if you are extremely lean, you may need to perform a skin lift in order to avoid injecting into the muscle.
Review your injection technique with your doctor or diabetes educator today.

FIT Needle Length- 6
FIT Needle Length- 5

1. Gibney MA, et al. Skin and subcutaneous adipose layer thickness in adults with diabetes at sites used for insulin injections: implications for needle length recommendations. Curr Med Res Opin. 2010; 26 (6): 1519-1530.2. Hirsch LJ, et al. Comparative glycemic control, safety and patient ratings for a new 4mm x 32G insulin pen needle in adults with diabetes. Curr Med Res Opin 2010;6:1531-41.

2. Hirsch LJ, et al. Comparative glycemic control, safety and patient ratings for a new 4mm x 32G insulin pen needle in adults with diabetes. Curr Med Res Opin 2010;6:1531-41.3. Hofman PL, et al. Defining the ideal injection techniques when using 5-mm needles in children and adults. Diab Care. 2010;33(9) 1940-1944.

3. Hofman PL, et al. Defining the ideal injection techniques when using 5-mm needles in children and adults. Diab Care. 2010;33(9) 1940-19444. Berard L, et al. FIT Forum for Injection Technique Canada. Recommendations for Best Practice in Injection Technique. October 2011.5. Lo Presti D, et al. Skin and subcutaneous thickness at injecting sites in children with diabetes: ultrasound findings and recommendations for giving

5. Lo Presti D, et al. Skin and subcutaneous thickness at injecting sites in children with diabetes: ultrasound findings and recommendations for giving injection. Ped Diab 2012;13(7):525-53.

Supported by BD Medical – Diabetes Care

About Forum for Injection Technique (FIT)

The Forum for Injection Technique (FIT) was developed to establish and promote best practice in injection technique for all involved in diabetes care.