At a Glance
Quickcomparison
Dose Range
BPC-157
250–500 mcg
TB-500
2–5 mg
Frequency
Once daily
Twice weekly
Administration
Subcutaneous injection
Cycle Length
4-6 weeks
Onset Speed
Moderate (1-2 weeks)
Evidence Level
Strong preclinical (extensive animal studies)
Moderate human trials (Phase 1-2)
Efficacy
Benefitratings
Primary Benefit
Secondary Benefit
Additional Benefit
Healing Speed
Tissue Repair
Anti-Scarring
Technical Data
Compoundspecifications
Molecular Formula
C62H98N16O22
Molecular Weight
1419.53 g/mol
Half-Life
4-6 hours
Bioavailability
~100% (subcutaneous)
CAS Number
137525-51-0
C38H68N10O14
889.01 g/mol
2-3 days (systemic)
High via subcutaneous injection (~100%)
885340-08-9
Protocols
Dosingtiers
starting
250 mcg
1-2 weeks
A common starting amount in research practice, often injected near the injured area. BPC-157 has no human dose-finding trials, so doses come from animal studies and documented practice [1][2].
standard
250-500 mcg
Twice daily
Commonly used range for tissue and tendon recovery in research practice [1][3].
advanced
500 mcg
6-8 weeks
Upper end used in practice for more demanding acute injuries [1][3].
2-2.5 mg
Loading phase, 4-6 weeks
Research peptide with no human trials of the fragment; loading doses used in practice [6].
Once weekly
Maintenance after loading
Maintenance dose used in practice following the loading phase [6].
Applications
Bestsuited for
Tendon and ligament injuries
Sprains, strains, tears, tendinitis - BPC-157 accelerates collagen synthesis and tissue repair
Gut healing
IBS, leaky gut, ulcers, inflammatory bowel conditions - derived from gastric juice, it has a natural affinity for digestive tissue
Muscle injuries
Strains, post-workout recovery, chronic muscle issues - promotes angiogenesis and growth factor expression
Joint problems
Arthritis support, joint pain, cartilage issues - anti-inflammatory and regenerative properties
Post-surgical recovery
Accelerating healing after procedures - works systemically to enhance the body's repair mechanisms
Athletes Recovering from Muscle Injuries
If you've pulled a hamstring, strained your back, or torn a muscle, TB-500 helps accelerate the healing process by promoting cell migration to the injury site and supporting new blood vessel growth. It's especially useful for injuries that just won't seem to fully heal.
Tendon and Ligament Problems
Tendons and ligaments are notoriously slow healers because they have poor blood supply. TB-500 promotes angiogenesis (new blood vessel formation) and helps repair these stubborn connective tissue injuries—think Achilles tendonitis, tennis elbow, or rotator cuff issues.
Post-Surgical Recovery
After surgery, your body needs to repair a lot of tissue quickly. TB-500 supports wound healing, reduces inflammation, and may help minimize scar tissue formation. Some protocols use it alongside traditional recovery to potentially speed up the healing timeline.
Chronic Inflammation and Slow Healers
Some people just heal slowly—whether due to age, diabetes, or other factors. TB-500 helps regulate the inflammatory response and promotes the cellular processes needed for tissue repair. It essentially tells your body to focus healing resources where they're needed most.
Safety Profile
Sideeffects
Common
Injection site redness
Mild nausea
Dizziness
Uncommon
Headache
Fatigue
Hot/cold sensations
Serious
Allergic reaction
Mild fatigue or lethargy
Mild headache
Slight flushing
Head rush or lightheadedness
Temporary nausea
Research Status
Safety& evidence
FDA Status
Research compound
Safety Overview
BPC-157 is a gastric pentadecapeptide with strong preclinical evidence from extensive animal studies spanning over 25 years of research. Critical limitation: BPC-157 has NOT completed Phase 3 human clinical trials. No FDA approval exists. Safety data comes primarily from rat and mouse studies, with only limited Phase 1-2 human data. Animal studies show no toxicity at therapeutic doses, but human data is insufficient for regulatory approval. The peptide is unregulated, and no standardized manufacturing or quality control requirements exist for research compounds. Individual responses may vary significantly, and serious medical supervision is essential before use, particularly if you have gastrointestinal conditions, take medications, or have pre-existing medical conditions.
Contraindications
xPregnancy
xBreastfeeding
xActive cancer
xHistory of cancer
TB-500 has shown a good safety profile across preclinical studies and limited human research. It's a fragment of thymosin beta-4, a naturally occurring protein in your body involved in healing. Most side effects are mild and transient, primarily injection site reactions. However, large-scale clinical trials are still needed to fully establish its safety profile in humans.
xPregnancy or planning to become pregnant
xCurrently breastfeeding
xActive cancer or history of cancer
xKnown allergy to peptide components
xChildren and adolescents
Decision Guide
Which isright for you?
Choose BPC-157 if...
Injury recovery
Post-surgery healing
Chronic pain management
Gut health
Choose TB-500 if...
Accelerating injury recovery
Tendon and ligament healing
Reducing chronic inflammation
Post-surgical recovery support