What's In Your Insulin?

Apidra Ingredients:
Insulin glulisine, metacresol, tromethamine, sodium chloride (salt), polysorbate-20 (allows water and oil to mix), water, hydrochloric acid (corrosive) OR sodium hydroxide (lye/caustic soda).

Novolog Ingredients:
Insulin aspart, glycerin, phenol, metacresol, zinc, disodium hydrogen phosphate dihydrate, sodium chloride (salt), water.

Novolin R Ingredients:
Active ingredient:  Regular Human Insulin Injection (recombinant DNA origin) USP
Inactive ingredients:  glycerol, metacresol, zinc chloride, water for injection, hydrochloric acid and sodium hydroxide may be added.

Levemir Ingredients:
Active ingredient:  insulin detemir (rDNA origin)
Inactive ingredients:  zinc, m-cresol, glycerol, phenol, disodium phosphate dihydrate, sodium chloride and water for injection.  Hydrochloric acid or sodium hydroxide may be added.

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