Here's the full publication-ready dose-splitting article:
Can I Split My Weekly Injection Into Smaller Doses? (Dose Splitting)
Yes — splitting your weekly GLP-1 dose into two smaller injections is a widely used approach for reducing side effects like nausea, vomiting, and GI discomfort. Your total weekly medication amount stays exactly the same; you're simply spreading it across two injections instead of one.
How dose splitting works
Rather than taking your full weekly dose in one injection, you divide it evenly into two smaller injections taken a few days apart — typically 3–4 days between each.
Example:
Weekly dose of 50 units → two injections of 25 units each (e.g., Monday and Thursday)
Weekly dose of 38 units → two injections of 19 units each (e.g., Tuesday and Friday)
The total medication you use per week is identical either way — dose splitting does not use up your supply faster.
Who is dose splitting best for?
This approach is most commonly used by patients who:
Experience nausea, vomiting, or GI discomfort after a single weekly injection
Are sensitive to dose increases and want a more gradual adjustment period
Have tried a formal dose reduction but want to maintain the same total weekly amount
How to split your dose
Divide your total weekly units in half — split as evenly as possible
Space injections 3–4 days apart — for example, Monday and Thursday, or Tuesday and Friday
Use a fresh sterile needle and syringe for every injection — never reuse needles between doses
Refrigerate your vial between injections as you normally would
Draw carefully — refer to your unit conversion chart to measure the correct smaller amount each time
What stays the same
Your total weekly medication amount
How long your vial lasts
Your reorder schedule and next shipment date
Your increase timeline — dose splitting doesn't reset or extend how long you stay at a dose level
Does dose splitting require provider approval?
No — adjusting how you time your weekly injections is self-managed and does not require approval. However, contact our Patient Success Team if:
Side effects persist even after splitting your dose — a formal dose reduction may be a better fit
You want to change your prescribed dose level for your next order
You're unsure how to calculate your split units based on your current vial concentration
Note: Contact our Patient Success Team for dose-related questions — do not use the provider/doctor tab in your portal for these requests.
Dose splitting vs. micro-dosing — what's the difference?
These are two different strategies that are often confused:
| Dose splitting | Micro-dosing |
Purpose | Manage side effects during active treatment | Maintain weight after reaching your goal |
Total weekly dose | Same as prescribed | Lower than your standard dose |
Who it's for | Patients with nausea or GI sensitivity | Patients at or near goal weight |
Approval needed? | No | No, but contact PST to adjust your next order |
If you're looking to maintain your results at a lower dose rather than manage side effects, see our article on micro-dosing for maintenance.