BPC-157 vs TB-500
There is no winner on this page. What is set side by side is the published record behind each one, which is the part the two are rarely compared on.
Both in Recovery and tissue repair
These two are sold as one purchase and researched as neither. BPC-157's convention sits above every scaled figure and has no published derivation; the two amounts it settles on are exactly one twentieth and one tenth of the 5 mg vial it comes in. TB-500 has nothing to compare against at all, because the mg/kg figures attached to it belong to thymosin beta-4, which FDA states is not the same substance. The stack is two different absences rather than one body of evidence split in half.
| Field | BPC-157 | TB-500 |
|---|---|---|
| What a trial gave | About 117 mcg per dayAllometric scaling from the 10 µg/kg rat arm, FDA body surface method | No human dose has ever been publishedFDA found no article administering it to a human |
| What circulates | 250 to 500 mcg per day | 2 mg twice weekly, then weekly |
| The gap | Above the studied dose | No studied dose to compare |
| How long it lasts | Under 30 minutes, and that figure comes from animals. I could not find a measurement of how long it lasts in a person, by any route. | I could not find a measurement of this in a person. In rats it came apart fast, with one breakdown piece dominant in the first six hours and another still detectable at 72 hours. |
| Route studied | In rats, injected into the abdominal cavity. In the two human reports, into the knee joint or into a vein. One unpublished trial gave it by mouth. | No published human use by any route. The larger natural version was given into a vein. |
| Route used | Injected under the skin, at home. | Under the skin, at home |
| Vial sizes | 5 mg | 5, 10 mg |
The distance, stated
Above the studied dose
BPC-157
The convention sits above every scaled figure and has no published derivation. It is also exactly one twentieth and one tenth of a 5 mg vial.
No studied dose to compare
TB-500
There is nothing to compare against. Every mg/kg figure in circulation belongs to thymosin beta-4, which FDA states is not the same substance.
What people get wrong
BPC-157
The standard 250 to 500 mcg daily figure is not a research finding. It appears in no published study in any species, and those two amounts happen to be exactly one twentieth and one tenth of the 5 mg bottle it is sold in, which are the easiest marks to read on a syringe.
TB-500
That TB-500 and thymosin beta-4 are the same substance. They are two different molecules, and borrowing the larger one's research history and its clean human safety record for the seven building block piece is the error that gets printed on the label and paid for at checkout.
Every figure above is carried across from each compound’s entry, which is where the citations live.
All 65 compounds on one page at what circulates vs what was studied, or pick another two to compare.