At a glance
Read the record in context
Liraglutide's 18 mg package already includes 3 mL of liquid in a prefilled pen. Its 13-hour reference describes elimination, not the volume or device setting. This card concerns a documented pen presentation, even though adjacent library pages use powder-vial arithmetic.[1]
What the research says
The Saxenda label describes subcutaneous liraglutide exposure in adults with obesity and pharmacokinetic studies in healthy participants. Investigators measured plasma concentrations and compared exposure across injection sites. The document reports approximately 55% absolute bioavailability and similar exposure from the abdomen, thigh, and upper arm.[2][1]
The cited label gives a peak concentration at about 11 hours and an elimination half-life of approximately 13 hours. Liraglutide exposure increased proportionally over the studied range. These measurements describe the time course of a peptide already supplied as a solution in a prefilled pen.[2][1]
A radiolabeled study in healthy participants examined metabolism and excretion. Intact liraglutide was the main plasma component during the initial day, while only small fractions of radioactivity appeared in urine and feces as related metabolites. The labeled product therefore supplies both formulation facts and human disposition context.[2][1]
Cited amounts
The library records 18 mg as a labeled package amount. This is the total listed in that presentation, not an amount selected for administration. No personal dosing range is inferred from it.[1][3]
Open the calculator for amount conversionsHalf-life and timing
Thirteen hours produces a different plotting scale from the week-long metabolic entries. The model reaches one quarter of its starting amount at 26 hours and one eighth at 39 hours. Its five-half-life point is 65 hours with 3.125% remaining. These calculated fractions neither include the source's eight- to 12-hour peak window nor account for additional recorded administrations. The resulting bar is a simplified illustration, not a personal clearance estimate and not an operating schedule for the pen.[1][5]
Continue to the calculatorReconstitution
The labeled package supplies both parts of the concentration equation: 18 mg divided by 3 mL equals 6 mg/mL. For a dimensional check only, 0.1 mL at that concentration represents 0.6 mg. This does not instruct a reader to withdraw liquid from a pen or select a device setting. There is no added-water term in the example. The three milliliters are already supplied, and treating them as a proposed dilution would change the meaning of the label.[3]
Tracking it in PinPoint
From a reference to a record
Built for peptide, TRT, and GLP-1 schedules. Set up your vial in seconds, log every dose, and see your modeled levels between doses. Enter vial size in mg, mcg, or IU and water volume for instant concentration and syringe units. Track vials and prefilled pens side by side.[4]
The Home curve models your levels between doses from published half-life data. Drag to scrub modeled values at any timestamp, or preview 30 days of a dose pattern. Ask PinPoint provides educational reference with sources; it never recommends a dose or a schedule change. These features record and visualize entered information, with the limits of each compound's source data still applying.
Get PinPoint on the App StoreFrequently asked questions
- Does a liraglutide calculator require reconstitution water?
- The referenced liraglutide presentation is a prefilled pen containing 18 mg in 3 mL. It is not the powder-vial example used for some research peptides. This page shows the labeled concentration arithmetic and does not provide pen-disassembly or water-addition instructions.[1][2]
- Does a liraglutide mixing calculator apply to the referenced pen?
- The source presentation is already prepared and contains 18 mg in 3 mL. This guide checks that concentration by division. It does not describe opening, diluting, or repurposing the pen, and it does not infer settings from a general reconstitution tool.[1][5]
- Why keep liraglutide's peak window separate from its half-life?
- The eight- to 12-hour peak window and the approximately 13-hour elimination reference describe different aspects of the source data. The simple halving bar uses only the latter. Combining them into one number would hide that distinction.[1][5]
- Can a peptide tracker app record Liraglutide?
- PinPoint's compound library includes Liraglutide. The app description covers logging compound, dose, site, and pain level, as well as viewing modeled levels between recorded doses. The curve uses published reference inputs and does not account for individual variation. The tracker records the schedule entered by its user; it does not choose a dose or recommend a schedule change.[1][4]
Sources
Facts and reference links were retrieved from the PinPoint application library on 5 October 2026. Links below preserve the library's citations; a catalog source supports a package amount only. Source references carried from the library have not all been independently reverified. Arithmetic examples are identified separately from clinical evidence.
- PinPoint compound library, LiraglutideSnapshot of the application library; its references and uncertainty are retained below.Retrieved 2026-10-05 · library
- DailyMed prescribing informationIdentity and research summary checked against this document on 5 October 2026. Clinical pharmacology and product-description sections.Retrieved 2026-10-05 · library-reference
- Labeled package referencePackage presentation verified against prescribing information on 5 October 2026; How supplied section.Retrieved 2026-10-05 · label
- PinPoint App Store descriptionFeature wording from the approved application description, not pricing.Retrieved 2026-10-05 · app-description
- Unit conversion and exponential-decay arithmeticC = amount / volume; remaining fraction = 2^(-elapsed / half-life). These are illustrations, not measurements.Retrieved 2026-10-05 · arithmetic