Teriparatide vs Abaloparatide
Both peptides activate the PTH1 receptor, so the practical difference is origin and sequence. Teriparatide is a fragment of human PTH. Abaloparatide is a modified analogue of PTHrP that has been reported to engage a different receptor conformation in cell studies.
Active fragment of human parathyroid hormone
Choose Teriparatide if
- ✓ You need the classic PTH(1-34) reference compound
- ✓ You are replicating the largest body of PTH1R literature
Synthetic PTH-related peptide analogue
Choose Abaloparatide if
- ✓ Your question is about PTHrP-based analogues
- ✓ You are comparing receptor-conformation selectivity
Side-by-side specification
| Compare | Teriparatide Active fragment of human parathyroid hormone | Abaloparatide Synthetic PTH-related peptide analogue |
|---|---|---|
| Class | PTH1 receptor agonist (PTH fragment) | PTH1 receptor agonist (PTHrP analogue) |
| Research area | Repair | Repair |
| Receptor targets | PTH1R | PTH1R |
| Length | 34 amino acids | 34 amino acids |
| Molecular mass | ≈ 4.12 kDa | ≈ 3.96 kDa |
| Origin | Recombinant or synthetic copy of human PTH(1-34) | Synthetic analogue modelled on PTHrP(1-34) |
| Evidence level | 5/5 Approved drug, phase 3 trials | 5/5 Approved drug, phase 3 trials |
| Regulatory status | Approved prescription medicine | Approved prescription medicine |
| Nordapep from | Not listed | Not listed |
| Best price per mg | Not listed | Not listed |
| View Teriparatide at Nordapep → | View Abaloparatide at Nordapep → |
What separates them
For research, teriparatide is the long-standing PTH benchmark. Abaloparatide is the natural comparator when the question is whether receptor conformation changes signalling duration.
Read the full guides for Teriparatide and Abaloparatide, or add a third compound in the comparison tool.
FAQ
Are both approved medicines?
Yes, both are authorised as prescription medicines. Research-grade material is not those medicines and is for in vitro use only.
Which is longer?
Both are 34 amino acids long.
Are Teriparatide and Abaloparatide approved medicines?
Teriparatide: Approved prescription medicine. Abaloparatide: Approved prescription medicine. Research-grade material of either is not a medicine and is supplied for in vitro research only.
Where can I buy Teriparatide and Abaloparatide?
Nordapep lists compounds with a Certificate of Analysis matched to the batch reference. Check each compound page for current availability.
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Where to buy
Why we send researchers to Nordapep
Comparing compounds is only half the job. The other half is knowing the vial contains what the label says. Nordapep publishes batch documentation for every compound it sells.
Browse the Nordapep catalogue →Each batch reference on the label matches its CoA, so you can check what is in the vial.
Enter the batch reference from your vial into Nordapep's batch-verification tool.
Purity is reported by RP-HPLC, the standard method for peptides of this size.
Bundled stacks for common comparisons, plus tiered pricing for volume orders.