Peptide Comparison
BPC-157vsTB-500
The "Wolverine peptide" known for its remarkable healing properties across tendons, ligaments, muscles, and the gut.
A powerful fragment of thymosin beta-4 that acts like your body's repair signal—speeding up healing of muscles, tendons, and tissues by promoting cell migration and new blood vessel growth right where you need it most.
At a Glance
Quick
comparison
Dose Range
BPC-157
250–500 mcg
TB-500
2–5 mg
Frequency
BPC-157
Once daily
TB-500
Twice weekly
Administration
BPC-157
Subcutaneous injection
TB-500
Subcutaneous injection
Cycle Length
BPC-157
4-6 weeks
TB-500
4-6 weeks
Onset Speed
BPC-157
Moderate (1-2 weeks)
TB-500
Moderate (1-2 weeks)
Evidence Level
BPC-157
Strong preclinical (extensive animal studies)
TB-500
Moderate human trials (Phase 1-2)
Efficacy
Benefit
ratings
Primary Benefit
Secondary Benefit
Additional Benefit
Healing Speed
Tissue Repair
Anti-Scarring
Technical Data
Compound
specifications
BPC-157
Molecular Formula
C62H98N16O22
Molecular Weight
1419.53 g/mol
Half-Life
4-6 hours
Bioavailability
~100% (subcutaneous)
CAS Number
137525-51-0
TB-500
Molecular Formula
C38H68N10O14
Molecular Weight
889.01 g/mol
Half-Life
2-3 days (systemic)
Bioavailability
High via subcutaneous injection (~100%)
CAS Number
885340-08-9
Protocols
Dosing
tiers
BPC-157
TB-500
Applications
Best
suited for
BPC-157
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
TB-500
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
Side
effects
BPC-157
Common
- Injection site redness
- Mild nausea
- Dizziness
Uncommon
- Headache
- Fatigue
- Hot/cold sensations
Serious
- Allergic reaction
TB-500
Common
- Injection site redness
- Mild fatigue or lethargy
- Mild headache
- Slight flushing
Uncommon
- Head rush or lightheadedness
- Temporary nausea
Serious
- Allergic reaction
Research Status
Safety
& evidence
BPC-157
Evidence Level
Strong preclinical (extensive animal studies)
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
Evidence Level
Moderate human trials (Phase 1-2)
FDA Status
Research compound
Safety Overview
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.
Contraindications
- 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 is
right 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