Teriparatide
Forteo PTH(1-34)
A parathyroid hormone analog, PTH(1-34). Approved in the US for osteoporosis at high risk of fracture, including osteoporosis from long-term glucocorticoids.
- Half-life
- 1 h
- Out of system
- ~5 h
- Route
- Subcutaneous
- Level
- —
Class (Parathyroid hormone analog), half-life and route from the FDA label: Forteo (teriparatide) injection (U.S. National Library of Medicine, DailyMed), checked 2026-09-26.
What Teriparatide is used for
- Treatment of postmenopausal women with osteoporosis at high risk for fracture (FDA label)
- Increasing bone mass in men with primary or hypogonadal osteoporosis at high risk for fracture (FDA label)
- Osteoporosis associated with sustained systemic glucocorticoid therapy (FDA label)
How it's typically used
Prescription medicine in the US. The prescriber sets the dose and duration; the FDA label is cited on this page.
What to watch for
- Osteosarcoma: increased in rats, and reported in patients after approval (label warning)
- Can raise blood calcium; not studied in pre-existing hypercalcemia
- Orthostatic hypotension: the first doses are given where the patient can sit or lie down
- Hypersensitivity reactions, including anaphylaxis; raised calcium can increase digoxin toxicity
Common questions
- What is the half-life of Teriparatide?
- Teriparatide has an approximate elimination half-life of 1 h.
- How long does Teriparatide stay in your system?
- Roughly 97% of a dose has cleared after five half-lives — about ~5 h for Teriparatide. That is the window that matters for washouts, bloodwork and surgery.
- How is Teriparatide taken?
- Teriparatide is typically administered by the subcutaneous route. Prescription medicine in the US. The prescriber sets the dose and duration; the FDA label is cited on this page.
- What are the risks of Teriparatide?
- Osteosarcoma: increased in rats, and reported in patients after approval (label warning) Can raise blood calcium; not studied in pre-existing hypercalcemia Orthostatic hypotension: the first doses are given where the patient can sit or lie down Hypersensitivity reactions, including anaphylaxis; raised calcium can increase digoxin toxicity
About Other research compounds
- What they are
- Nootropics, metabolic agents, and research compounds that don't fit the other classes.
- How they're run
- Route and schedule vary widely — check the individual entry.
- What to watch
- This is the least-characterised corner of the atlas. Read the full guide, and treat anything without published human data as exactly that.
Other other research compounds
Peptid AI is an educational and self-tracking tool — not a medical service, and not a vendor. Nothing here is medical advice, a prescription, or an endorsement. Doses reflect what is commonly reported in research literature; they are not recommendations. Many compounds listed are experimental, not approved for human use, and/or controlled substances that are illegal to possess without a prescription in many countries. Always consult a qualified physician before starting, changing, or stopping any protocol.