PEG-MGF vs TB-500
limited vs Well Studied
synergistic TB-500 reduces inflammation and promotes cell migration; PEG-MGF activates muscle stem cells.
Molecular Data
PEG-MGF TB-500
Weight ~2,888 Da 4,963.44 Da
Half-life 48-72 hours (via PEGylation) ~2 hours
Chain 24 amino acids 43 amino acids
Type IGF-1Ec splice variant C-terminal peptide Thymosin fragment
Key Benefits
PEG-MGF
01 Extended half-life through PEGylation
02 Satellite cell activation for muscle repair
03 Recovery support following mechanical stress
04 Potential neuroprotection against oxidative stress
TB-500
01 Superior systemic tissue repair
02 Accelerated muscle, tendon, and ligament healing
03 Enhanced cell migration and angiogenesis
04 Comprehensive regenerative effects
05 Neuroprotective properties
Dosing Protocols
PEG-MGF
200-400mcg per injection / 2-3x weekly, ideally post-workout
General Recovery 200mcg 2-3x weekly
Targeted Muscle Recovery 200-400mcg Post-workout, 2-3x weekly
Injury Recovery 200-400mcg 2-3x weekly
Conservative Protocol 100-200mcg 2x weekly
TB-500
2-5mg per injection (higher doses for serious injuries) / 2-3x weekly (e.g., Monday, Wednesday, Friday)
General tissue repair 2-3mg 2x weekly
Serious injury recovery 4-5mg 3x weekly
Athletic enhancement 2-3mg 2x weekly
Chronic conditions 3-4mg 2-3x weekly
Maintenance 2mg 1-2x weekly
Post-surgical recovery 3-5mg 3x weekly
Side Effects
PEG-MGF
Injection site soreness
Mild fatigue
TB-500
Generally minimal side effects
Possible mild injection site reactions
Temporary fatigue in some users
Contraindications
Any history of cancer or neoplastic disease
Pregnancy or breastfeeding
Uncontrolled diabetes or severe hyperglycemia
Active cancer treatment (due to angiogenic effects)
Pregnancy or breastfeeding
Immunosuppressive medications (consult provider)
WADA prohibited for competitive athletes
Research Evidence
PEG-MGF TB-500
Status limited Well Studied
References 3 studies 4 studies
Latest — March 2024
FDA Approved No No
This comparison is for educational and research purposes only. Consult a healthcare professional before use.