Skip to main
Wolverine Doctor

A research console on the Wolverine peptide blend — what the BPC-157 and TB-500 literature actually establishes for each constituent, and exactly where regulatory and compounding access stands.

Dosage · 04

BPC-157 TB-500 dosage, as reported in the research literature

Animal-model figures and route context only. There is no validated human dose for either constituent, and none for the blend.

BPC-157 TB-500 dosage as reported in the research literature

There is no validated dose for the BPC-157 TB-500 blend, and nothing on this page is dosing guidance. The figures below are research-context only — what was administered, to which species, by which route, in published studies. Commercial "Wolverine" labeling commonly pairs the two peptides at fixed combined masses per vial (a 10 mg + 10 mg pairing, or a single 20 mg combined vial), but no peer-reviewed combination dose-finding study exists [9].

For the BPC-157 component, rodent studies commonly express dose per body weight — frequently 10 microg/kg and 10 ng/kg, with gastric-ulcer cytoprotection studied at 400-800 ng/kg in rats [1]. For the TB-500 / Thymosin Beta-4 component, the studied range is wide: 2-18 mg/kg intraperitoneal in a rat embolic-stroke dose-response study (with an optimal modeled near 3.75 mg/kg, and 18 mg/kg giving no benefit — higher was not better), and 150 microg twice weekly intraperitoneally for six months in the mdx muscular-dystrophy study [4]. These are per-body-weight animal figures; they do not translate to a human dose.

No validated human dose exists for BPC-157, for the TB-500 heptapeptide, or for the blend. The figures here are animal-model doses per body weight, reported as study parameters only [1][4][9].

Half-life and what the pharmacokinetic record shows

The pharmacokinetic record is thin and animal-anchored. BPC-157's elimination half-life was reported as under 30 minutes (t1/2 <30 min) in an animal PK study [9]. No validated human pharmacokinetic half-life exists for either constituent at research-use doses, and none for the blend; human intravenous data for full-length Thymosin Beta-4 showed dose-proportional PK with half-life increasing at higher doses, but no specific half-life is established for the TB-500 heptapeptide [4].

This matters for the reconstitution question that recurs in community discussion. Both constituents are supplied as lyophilized powders, reconstituted in bacteriostatic or sterile water and refrigerated for research handling [9]. In unregulated "Wolverine" material, product identity, purity, and the actual BPC-157:TB-500 ratio are not guaranteed — a gap that compounds the existing identity caveat around the TB-500 fragment versus full-length Thymosin Beta-4 [9]. See half-life and reconstitution of the blend for the consolidated context.

Wolverine injection: administration routes studied for the blend constituents

Subcutaneous and intramuscular administration are the predominant research-community routes for the blend, but that practice does not rest on controlled human efficacy trials [9]. The underlying rodent efficacy studies for both peptides predominantly used the intraperitoneal route [1][4]. Intravenous administration appears in the human Phase 1 work on full-length Thymosin Beta-4 and in a BPC-157 IV safety pilot, and local or intra-lesional and topical routes appear in individual-compound wound and tendon models [4][9].

A "wolverine injection" in community usage refers to one of these parenteral routes applied to the pairing. The route may be borrowed from the single-compound literature, but the combined product administered that way has no controlled-trial efficacy basis [9].

BPC 157 TB 500 oral versus injected administration

On the oral question, the record is split by constituent. BPC-157 is studied as a "stable gastric" peptide, consistent with its origin in a gastric-juice protein, and appears in peroral as well as parenteral models [1]. Blend oral products are marketed, but they lack validated pharmacokinetics for the pairing — there is no established oral bioavailability figure for a combined BPC-157 TB-500 product [9]. For the TB-500 heptapeptide specifically, an intracellular actin-binding mechanism gives no reason to assume oral activity, and none is established [3][9].

Promise Peptides product card for Wolverine (research blend), marked Rx only
Prescription accessPromise Peptides product image (mypromise.com). Wolverine (research blend) appears on the card with an Rx only marking.

Once route evidence runs out, suitability is a medical decision, not an inference from animal studies. Promise Peptides (mypromise.com) runs licensed, prescription-only care in which a clinician decides whether Wolverine (research blend) fits. That access does not establish oral bioavailability, favor injection, or validate any schedule for the pairing.

Pairing BPC-157 with TB-500 in research models

When a study pairs BPC-157 with TB-500, it is not from a controlled combination protocol — because none exists. No peer-reviewed study defines a co-administration dose, ratio, or endpoint for the two [4]. The "loading then maintenance" framing that circulates in the community, and the fixed-ratio vials (10 mg + 10 mg), have no basis in controlled human trials and should not be read as validated dosing [9]. The honest pairing statement is that two single-compound dose literatures exist, and the combined regimen is a community construct layered on top of them.

BPC-157 TB-500 reddit protocols: why community cycling has no controlled basis

The cycling, loading, and maintenance schedules discussed in research-community threads — including the BPC-157 TB-500 discussion on forums — describe practice, not evidence. No validated cycling protocol exists for the blend [9]. The non-monotonic stroke result is the clearest caution against "more is better" loading logic: in the rat embolic-stroke study, 18 mg/kg thymosin beta-4 gave no benefit while a far lower dose was optimal [4]. Fixed-ratio vials and loading schedules are community conventions without a controlled-trial foundation, and this page does not endorse or instruct any of them.

What is the half-life of BPC-157 and TB-500?

BPC-157's elimination half-life was reported as under 30 minutes in an animal PK study [9]. No validated human half-life exists for either constituent at research doses, and none for the blend; human data on full-length Thymosin Beta-4 show dose-proportional PK but no established figure for the TB-500 fragment [4].

How do you reconstitute a BPC-157 / TB-500 blend (10mg)?

Both constituents are supplied as lyophilized powders reconstituted in bacteriostatic or sterile water and refrigerated for research handling [9]. In unregulated material the product identity, purity, and actual BPC-157:TB-500 ratio are not guaranteed. This is a description of handling practice, not a preparation instruction.

How often should you inject BPC-157 and TB-500?

There is no validated dosing schedule for the blend. Community "loading then maintenance" protocols have no controlled-trial basis; research doses are reported per body weight in animal models only [9]. Nothing here is administration guidance.

How do you cycle BPC-157 and TB-500?

No validated cycling protocol exists. Fixed-ratio vials (e.g. 10 mg + 10 mg) and loading/maintenance schedules circulate in the community without any controlled human-trial basis [9]. The non-monotonic 18 mg/kg-no-benefit stroke result argues against "more is better" loading logic [4].