Tesamorelin calculator
Tesamorelin is FDA-approved as Egrifta SV, where each 1.4 mg vial is mixed with its own supplied diluent. Research-grade tesamorelin is sold in larger vials, commonly 5 or 10 mg, which changes the concentration and therefore the marks for the same milligram amount. Because it is labelled for daily use, small measuring errors repeat every day; the calculator and tables make the conversion explicit.
Full research profile: Tesamorelin. For any other concentration, use the insulin syringe units converter.
For research use only. Not medical advice. This page does arithmetic; it does not recommend an amount.
Tesamorelin reconstitution chart
Concentration and micrograms per mark on a U-100 insulin syringe, by vial size and water added. The peptide amount never changes; only how concentrated it is.
| Vial | + 1 mL water | + 2 mL water | + 3 mL water |
|---|---|---|---|
| 2 mg | 2 mg/mL · 20 mcg per unit | 1 mg/mL · 10 mcg per unit | 0.67 mg/mL · 6.7 mcg per unit |
| 5 mg | 5 mg/mL · 50 mcg per unit | 2.5 mg/mL · 25 mcg per unit | 1.67 mg/mL · 16.7 mcg per unit |
| 10 mg | 10 mg/mL · 100 mcg per unit | 5 mg/mL · 50 mcg per unit | 3.33 mg/mL · 33.3 mcg per unit |
Most-listed Tesamorelin vial sizes across vendors we track: 10 mg (25 vendors), 5 mg (9 vendors), 20 mg (3 vendors), 2 mg (2 vendors). Compare prices.
Tesamorelin doses from the label and trials, in syringe units
The doses reported in each cited source, converted to U-100 syringe units at common vial and water combinations. This is arithmetic on the cited figures, not a recommendation; a dash means the amount is more than one full 1 mL syringe at that concentration.
Egrifta SV label, once daily (adults with HIV-associated lipodystrophy)
| Dose | 5 mg + 2 mL (2.5 mg/mL) | 10 mg + 2 mL (5 mg/mL) |
|---|---|---|
| 1.4 mg | 56 units (0.56 mL) | 28 units (0.28 mL) |
Source: EGRIFTA SV (tesamorelin) prescribing information, DailyMed
Original phase 3 trials (TH9507), once daily
| Dose | 5 mg + 2 mL (2.5 mg/mL) | 10 mg + 2 mL (5 mg/mL) |
|---|---|---|
| 2 mg | 80 units (0.8 mL) | 40 units (0.4 mL) |
Source: NCT00123253 — TH9507 in Patients With HIV-Associated Lipodystrophy
Common questions
How many units is 1.4 mg of Tesamorelin?
It depends on the concentration. In a 10 mg vial mixed with 2 mL of bacteriostatic water (5 mg/mL), 1.4 mg is 0.28 mL, or 28 units on a U-100 insulin syringe. With 3 mL of water instead, the same 1.4 mg is 42 units.
How much bacteriostatic water do you add to a 10 mg Tesamorelin vial?
There is no single correct volume: the amount of peptide is fixed and the water only sets the concentration. For 10 mg, 1 mL gives 10 mg/mL (100 mcg per unit), 2 mL gives 5 mg/mL (50 mcg per unit) and 3 mL gives 3.33 mg/mL (33.3 mcg per unit). More water makes each syringe mark hold less, which makes small amounts easier to measure accurately.
Are the Tesamorelin doses on this page recommendations?
No. They are the doses reported in the cited sources (EGRIFTA SV (tesamorelin) prescribing information, DailyMed; NCT00123253 — TH9507 in Patients With HIV-Associated Lipodystrophy), converted to syringe units as arithmetic. Approved products come in their own strengths and devices, and what any person should use is a decision for a licensed clinician.
What does one unit on an insulin syringe mean?
A unit is a volume mark, not an amount of drug. On a U-100 syringe 100 units fill 1 mL, so 10 units is always 0.1 mL; how much peptide those 10 units hold depends only on the concentration you mixed. U-40 syringes use 40 marks per mL, so the same volume reads as a different number of units.