Question 1

What is the BPC-157 + TB-500 research blend?

Accepted Answer

This is a two-component research blend supplying BPC-157 and TB-500 together in a single vial. BPC-157 is a pentadecapeptide corresponding to a partial sequence from a gastric juice protein; TB-500 is a synthetic fragment of thymosin beta-4 containing the actin-binding domain. The pairing is widely referenced in experimental tissue literature, where the two are studied for distinct mechanisms — BPC-157 for cytoprotective and angiogenic signaling, TB-500 for actin polymerization and cell migration. Both components are Research Use Only materials and are not intended for human or veterinary use.

Question 2

What is the TB-500 component of the blend?

Accepted Answer

TB-500 is a synthetic peptide corresponding to the actin-binding region of thymosin beta-4, an endogenous 43-amino-acid protein present in most mammalian cell types. The fragment retains the sequence that experimental literature associates with actin sequestration, cell migration, and angiogenesis in cultured cells and animal models. It is supplied here as one of two components in a research blend rather than as a standalone item. TB-500 is a Research Use Only material, not an approved drug, and is not intended for human or veterinary use.

Question 3

What does purity of at least 98% by HPLC-UV mean?

Accepted Answer

High-performance liquid chromatography with ultraviolet detection separates the components of a sample and measures the area under each resulting peak. A result of at least 98% purity means the peak corresponding to the target peptide accounts for at least 98% of the total detected area, indicating that truncated sequences, deletion products, and synthesis byproducts are present only in trace amounts. HPLC-UV is the standard characterization method for synthetic peptides in pharmaceutical and academic laboratories. 98% is the specification, which is a floor: the measured result for an individual lot is often higher. Where a Certificate of Analysis is issued for a lot, it reports the chromatographic result for that specific lot; CoA availability and level of detail vary by product and by lot.

Question 4

How should lyophilized peptides be stored?

Accepted Answer

Lyophilized peptide powder should be kept dry, sealed, and protected from light. Refrigeration at 2-8 °C is appropriate for short-term holding, while −20 °C or lower is used for extended storage of laboratory inventory. Moisture is the main variable to control, so a vial is best brought to ambient temperature before it is opened, preventing condensation from forming on the cold powder. Repeated freeze-thaw cycling should be avoided, since each cycle contributes to gradual degradation. Stability characteristics differ between sequences; consult the published literature for the specific peptide and any Certificate of Analysis issued for the lot.

BPC-157 10 mg + TB-500 10 mg (20 mg)

ORDER MORE, SAVE MORE

Frequently asked questions about BPC-157 10 mg + TB-500 10 mg (20 mg)