Skip to content

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
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.

Build my plan Takes 2 minutes