TRI-RT3 Peptide Pen
What is in your pen and what each click on the dial measures out. These are measurement conversions for the concentration printed on your label.
Previously sold as Retatrutide / GLP-R3T. Older pens may still carry that name on the label.
20mg in 3ml
6.67mg per ml.
300 clicks
100 clicks per ml, so one click is 0.01ml.
One click
67mcg of compound.
What each click measures out
| Clicks | ml | Amount |
|---|---|---|
| 1 | 0.01 | 67mcg |
| 5 | 0.05 | 333mcg |
| 10 | 0.10 | 667mcg |
| 25 | 0.25 | 1.67mg |
| 50 | 0.50 | 3.33mg |
| 100 | 1.00 | 6.67mg |
Rounded to the nearest whole unit, since the pen dials in whole clicks.
Storage
Keep your pen in the fridge. It is fine out of the fridge for 1–3 days, away from direct sunlight.
For laboratory research use only. Not for human or veterinary consumption. The figures above are unit conversions for this pen, not dosing guidance.

