ETA 2-3 Days
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A crystalline suspension of insulin with protamine and zinc to delay its release and extend its action. Insulin isophane is considered intermediate-length insulin. The onset of drug action following subcutaneous administration is approximately 1-2 hours, and its peak effect is reached in 4-10 hours. It has a total duration of activity lasting more than 14 hours. This type of insulin is not commonly used for physique- or performance-enhancement purposes.