At a glance
| Concentration | 7.5 mg is | Mark on U-100, 1 mL |
|---|---|---|
| 4.17 mg/mL Zepbound 10 mg multi-dose vial | 1.799 mL | does not fit (over 1 mL) |
| 5 mg/mL Zepbound 2.5 mg single-dose vial | 1.5 mL | does not fit (over 1 mL) |
| 8.33 mg/mL Zepbound 20 mg multi-dose vial | 0.9 mL | 90 (exactly 90.04) |
| 10 mg/mL Zepbound 5 mg single-dose vial | 0.75 mL | 75 |
| 12.5 mg/mL Zepbound 30 mg multi-dose vial | 0.6 mL | 60 |
| 16.7 mg/mL Zepbound 40 mg multi-dose vial | 0.449 mL | 45 (exactly 44.91) |
| 20 mg/mL Zepbound 10 mg single-dose vial | 0.375 mL | 38 (exactly 37.5) |
| 25 mg/mL Zepbound 12.5 mg single-dose vial and 60 mg multi-dose vial | 0.3 mL | 30 |
Arithmetic at the concentrations shown. The concentration on your own label is the one that counts; enter it in the calculator.
Why the answer depends on the vial
7.5 mg is the third labelled Zepbound strength. In the single-dose vial it is 7.5 mg in 0.5 mL, 15 mg/mL, and the dose is the whole vial at the 50 mark. In the 30 mg multi-dose vial it is one of four 0.6 mL withdrawals at 12.5 mg/mL, the 60 mark. People reaching this page have often been handed a different vial than last time, single-dose one month and multi-dose the next, and noticed the mark move from 50 to 60. That move is expected. The check is the concentration on the label: 15 mg/mL means the whole 0.5 mL vial, 12.5 mg/mL means 0.6 mL of the multi-dose vial. Anything else on the label means a compounded product, and then the only route to the mark is your pharmacy's mg/mL.
The mistake to watch for. A 7.5 mg dose from a 15 mg single-dose vial would be half the vial, the 25 mark. The label does not describe that draw, and the remaining half has no labelled storage. If your vial strength does not match your dose, that is a pharmacy question before it is an arithmetic one.