Injection Site Rotation Tracker
Rotate subcutaneous injection sites to reduce lipohypertrophy and local irritation. This tracker recommends the next site based on your history (7-day cooldown per quadrant). Data is stored locally in your browser — sync full history in the Halflife app.
RECOMMENDED NEXT SITE
You have 3+ injections logged. Track site rotation, doses, and curves in Halflife — on-device.
Save history in Halflife app