Xyosted is a prefilled testosterone enanthate autoinjector, about $200 for four pens, usable in both men and women. Members noted most physicians in the network are not using it.
A compliant pen solution for peptides and hormones is also expected in the US market soon.
Key takeaways
- Consider prefilled autoinjectors for patients who struggle with vials and syringes.
From Buzz in the chat, the longevitydocs™ Sunday newsletter, May 31, 2026. Member discussion, not clinical guidance.
Originally published in The Longevity Medicine Intelligence newsletter.


















