Medical Definition of melanin. : any of various black, dark brown, reddish brown, or yellow pigments of animal or plant structures (as skin, hair, the choroid, or a raw potato when exposed to air); especially : any of numerous animal pigments that are essentially polymeric derivatives of indole formed by enzymatic modification of tyrosine.
An intermediate- or long-acting insulin is often prescribed with NovoLog. NovoLog can be mixed with insulin NPH (intermediate-acting insulin), but always draw NovoLog into the syringe first. Never mix NovoLog with Lantus. Do not mix NovoLog with other insulins if using an insulin pen or external pump. Do not vigorously shake insulin before use.
If you've been prescribed two types of insulin to be taken at once (mixed dose), skip to the instructions in the next section. 1  Draw the required number of units of air into the syringe by pulling the plunger back. You need to draw the same amount of air into the syringe as insulin you need to inject.