Teriparatide vs Tesamorelin
Extensively Studied vs FDA Approved
synergistic Mechanism-based · 55% Teriparatide and Tesamorelin work through complementary pathways. Growth hormone signaling supports tissue repair processes. A well-established combination in recovery protocols.
Molecular Data
Teriparatide Tesamorelin
Weight 4,118 Da 5,135.9 Da
Half-life ~1 hour (subcutaneous); ~5 minutes (intravenous) 26-38 minutes
Chain 34 amino acids 44 amino acids
Type Recombinant PTH fragment GHRH analog
Key Benefits
Teriparatide
01 FDA-approved for osteoporosis treatment
02 Actively builds new bone (anabolic)
03 Increases spine bone density by 5-9%
04 Reduces vertebral fracture risk by 65%
05 Reduces nonvertebral fractures by 35%
06 Works differently than antiresorptive drugs
07 Benefits seen within 3 months
08 Creates 'anabolic window' for bone growth
Tesamorelin
01 FDA-approved formulation
02 Selective visceral fat targeting (15-20% reduction)
03 Proven clinical efficacy
04 Standardized dosing
05 37% liver fat reduction in NAFLD
06 Preserved subcutaneous fat
Dosing Protocols
Teriparatide
20mcg daily (FDA-approved dose) / Once daily at same time each day
Osteoporosis treatment 20 mcg Once daily
Tesamorelin
1.4-2mg daily (FDA-approved: 2mg for HIV lipodystrophy) / Once daily (evening preferred for GH rhythm)
HIV Lipodystrophy (FDA-approved) 1.4mg Once daily
Visceral Fat Reduction 2mg Once daily
Anti-aging/Body Composition 1-2mg 5-7x weekly
NAFLD Treatment 2mg Once daily (12 months)
Cognitive Enhancement 1mg Once daily (20 weeks)
Side Effects
Teriparatide
Injection site reactions
Nausea
Headache
Leg cramps
Dizziness
Joint pain
Tesamorelin
Injection site reactions (17%)
Joint pain (13%)
Water retention
Contraindications
Paget's disease of bone
Prior skeletal radiation therapy
History of skeletal malignancies
Metabolic bone diseases other than osteoporosis
Pre-existing hypercalcemia
Pregnancy
Active malignancy
Pituitary disorders
Pregnancy
Research Evidence
Teriparatide Tesamorelin
Status Extensively Studied FDA Approved
References 4 studies 5 studies
Latest — June 2025
FDA Approved Yes Yes
This comparison is for educational and research purposes only. Consult a healthcare professional before use.