NAD+ Pen Refill Cartridge · 500mg
One cartridge. Ten doses. The unit of the whole system.
Buy it as a top-up when you've been dosing more often than usual, as a spare to keep in the fridge so you never run dry mid-rhythm, or as a way to test how a lighter month feels before committing to a full refill kit.
Doesn't include the auto-injector pen.
Feel better, longer.
Food supplement for adults. These statements have not been evaluated by a regulatory body and are not intended to diagnose, treat, cure or prevent any disease.
How to dose, how to store it, and whether it's right for you.
Ten doses of 0.3ml. At one dose daily for three days and then every other day, a single cartridge covers around two and a half weeks. Bring it up from fridge temperature for 20–30 minutes before seating it, dose at 45° into the stomach, hip or outer thigh, and rotate the site each time.
This protocol reflects common practice and what customers tell us, not clinical proof. Confirm your dose with a licensed prescriber. The reasoning behind the 50mg dose is in our NAD+ dosage guide.
Adults 18+. Not suitable during pregnancy or breastfeeding, or if you have a current or previous cancer diagnosis, an organ transplant, immunosuppression, a heart-rhythm condition such as atrial fibrillation, a recent skin graft, or significant liver or kidney impairment. If you take prescribed medication or you're unsure, speak to your doctor before starting.
A single cartridge, for topping up between refills or keeping a spare in the fridge.
Twenty to thirty minutes out of the fridge before you seat it. Cold solution stings more.
Unscrew the pen, remove the spent cartridge, drop this one in and close it up.
New micro-needle every time. Dial 0.3ml, prime until a bead appears, inject at 45° into a fatty area and rotate the site.
Used needle straight into the sharps bin. Never reuse or share a needle.
The questions customers ask most before starting. Anything missing? Talk to us.
Three situations: you've been dosing more often than planned and you're short before your next refill; you want a spare in the fridge so you never run dry mid-cycle; or you're travelling and would rather carry one cartridge than two.
Ten doses of 50mg (0.3ml each). At the usual daily-then-every-other-day rhythm, about two and a half weeks. Ten needles and ten wipes come with it — one per dose.
No. This is the consumable on its own. If you don't own a pen yet, start with the Trial Kit or the full Full Kit.
Slightly, yes — the two-cartridge refill kit is the better value per dose. This one exists for convenience and for not running out, not for saving money.
12 months unopened, refrigerated. It tolerates room temperature for a few weeks, so travel and delivery delays aren't a problem.
Adults 18+ only. Not suitable during pregnancy or breastfeeding, or if you have a current or previous cancer diagnosis, an organ transplant, immunosuppression, a heart-rhythm condition such as atrial fibrillation, or significant liver or kidney impairment. This product is not intended to diagnose, treat, cure or prevent any disease. If you take prescribed medication or you're unsure, speak to your doctor before starting.