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List the constituents of Lantus cartridges

Lantus cartridges contain insulin glargine, which is the key element that helps your body control sugar levels. In addition to this, you'll find other substances in the mix to support its effectiveness. These include m-cresol, glycerol, zinc, water for injection and polysorbate. To manage the level of acidity, they might add sodium hydroxide or hydrochloric acid.