Tirzepatide

A once-weekly GIP and GLP-1 receptor agonist used under clinician-directed treatment plans.

TZ

At a glance

  • ClassDual glucose-dependent insulinotropic polypeptide and glucagon-like peptide-1 receptor agonist.
  • ScheduleOnce weekly when prescribed. Use the same day each week according to the supplied instructions.
  • ImportantCommercial products may be supplied as ready-to-use pens or vials and should not be reconstituted unless their instructions explicitly require it.
  • Missed doseFollow the specific product instructions or contact the prescribing clinician.

10 mg vial reconstitution chart

The supplied sheet shows both 1 mL and 2 mL BAC-water options.

Quantity1 mL: units1 mL: volume2 mL: units2 mL: volume
0.5 mg50.05 mL2.50.025 mL
1 mg100.10 mL50.05 mL
2.5 mg250.25 mL12.50.125 mL
5 mg500.50 mL250.25 mL
7.5 mg750.75 mL37.50.375 mL
10 mg1001.00 mL500.50 mL
10 mg with 1 mL equals 10 mg/mL. 10 mg with 2 mL equals 5 mg/mL.

Suggested dosing context

The supplied reference describes a once-weekly schedule using 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, and 15 mg steps. It suggests beginning at 2.5 mg and considering increases no more often than every four weeks based on tolerability and response.

StageSuggested weekly quantityTiming
Initial2.5 mgWeeks 1-4
Next step5 mgBeginning week 5
Later steps7.5-15 mg2.5 mg increments after at least 4 weeks
  • FrequencyOnce weekly, on the same day each week.
  • AdministrationSubcutaneous administration, with abdomen, thigh, or back of the upper arm listed as example sites.
  • ContinuationThe supplied material suggests basing restart or continuation decisions on the last well-tolerated quantity and time away.
  • Upper referenceThe supplied reference identifies 10 mg as a commonly discussed maintenance level and says not to exceed 15 mg.
Suggested, not prescribed. Product formulation, treatment purpose, health history, other medications, and individual tolerance affect clinician-directed dosing.

Suggested research combinations

The supplied reference lists retatrutide, semaglutide, cagrilintide, KLOW Blend, NAD+, MOTS-C, BPC-157, TB-500, GHK-Cu, KPV, SS-31, ipamorelin, and tesamorelin. This records the supplied material and is not a recommendation to combine therapies.

Important notes from the supplied sheet

  • Described as a dual GIP/GLP-1 receptor agonist studied for metabolic health, appetite regulation, and weight management.
  • Listed range: 2.5 mg, 5 mg, 7.5 mg, 10 mg, 12.5 mg, and 15 mg once weekly.
  • Many users increase every four or more weeks based on tolerability and response.
  • For restart or continuation, consider the last well-tolerated amount and time away.
  • Use the same day and time each week.
  • Store refrigerated at 2-8 C; discard 28-30 days after reconstitution or sooner if cloudy.
  • Maintain hydration, nutrition, and resistance training.
  • The supplied caution identifies 10 mg as a commonly studied maintenance amount and says not to exceed 15 mg.

Safety context

Tirzepatide can cause gastrointestinal adverse effects and has important contraindications, warnings, and drug-interaction considerations. A dosing table cannot replace screening, prescribing, and follow-up by a qualified clinician.

Primary sources

Educational and research use only

This information is provided for general educational purposes and does not constitute medical advice, diagnosis, treatment, or a recommendation to use any substance. Reconstitution and dosing calculations are mathematical references only. Always follow instructions from a qualified healthcare professional.