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.

TRESIBA Ingredients:
Active ingredient:  insulin degludec 100 units/mL (U- 100) or 200 units/mL (U-200).
Inactive ingredients for the 100 units/mL are glycerol 19.6 mg/mL, phenol 1.50 mg/mL, metacresol 1.72 mg/mL, zinc 32.7 mcg/mL and water for injection.
Inactive ingredients for the 200 units/mL are glycerol 19.6 mg/mL, phenol 1.50 mg/mL, metacresol 1.72 mg/mL, zinc 71.9 mcg/mL and water for injection.
TRESIBA has a pH of approximately 7.6. Hydrochloric acid or sodium hydroxide may be added to adjust pH.

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