Dosing Guide

BPC-157 Dosage Chart.

BPC-157 is a synthetic 15-amino-acid peptide taken from a protein found in gastric juice, used for tendon, joint and gut recovery. This chart gives you the doses people actually inject, the syringe units they work out to, and a straight answer about where those numbers came from.

⏱️
Half-lifeUnder 30 min (animal data only)
💉
RouteSubcutaneous, by convention
🕗
TimingMorning and evening, same hours
🧊
Storage2–8 °C; ~28 days once mixed
The short answer

250 mcg subcutaneously twice a day (500 mcg daily), for 4 to 6 weeks. That is 10 units per injection on a U-100 syringe, from a 5 mg vial mixed with 2 mL. New to it: 250 mcg once daily for two weeks. Acute injury: 500 mcg twice daily.

This chart is the condensed version. For the full write-up (mechanism, oral versus injectable, stacking and vendor testing), read the full BPC-157 dosing guide.

Dosage Protocols

Units assume a 5 mg vial reconstituted with 2 mL bacteriostatic water = 2,500 mcg/mL, so 1 unit on a U-100 syringe = 25 mcg. Different setup? Use the calculator. Doses below are per injection, not per day.

Conservative start
250 mcgper injection · 10 units
FrequencyOnce daily
Weekly total1,750 mcg/week
Cycle length2 weeks, then step up

Where to begin if you have never injected a peptide: half the standard protocol, drawn at 10 units.

Why this dose+

One 250 mcg injection a day is half the standard protocol, and at 10 units it draws accurately on any barrel you own. Two weeks is long enough to learn how your injection sites behave before you commit to a daily habit for a month or more.

MOST COMMONStandard
250 mcgper injection · 10 units
FrequencyTwice daily, morning and evening
Weekly total3,500 mcg/week
Cycle length4–6 weeks

500 mcg a day, split into two 250 mcg injections, is the protocol most sources converge on.

Why this dose+

It lands at roughly 6 mcg/kg for an 80 kg adult, inside the 2–7 mcg/kg/day figure that circulates everywhere. The split is the one part with a mechanistic rationale: BPC-157 clears in minutes in animals, so two smaller injections cover more of the day than one larger one. Commonly used, not trial-derived.

Acute injury
500 mcgper injection · 20 units
FrequencyTwice daily, morning and evening
Weekly total7,000 mcg/week
Cycle length2–4 weeks, then standard

1 mg a day is the top of what circulates in injury protocols; a 5 mg vial lasts five days.

Why this dose+

It sits above the 2–7 mcg/kg/day figure most sources quote, about 12 mcg/kg for an 80 kg adult. It is widely used, so it is here, but nothing establishes that it outperforms 500 mcg a day. That burn rate is the practical reason most people run it only for the first week or two.

Human BPC-157 data exists; none of it is the way you are using it
  • No controlled trial exists: a PubMed clinical-trial filter returns zero results.
  • Human use is three small uncontrolled case series, all from the same group.
  • One Phase 1 oral study never posted results; a Phase 2 subcutaneous trial started recruiting in 2026 without disclosing its dose.
  • Nothing published covers repeated subcutaneous dosing, so the numbers here are convention.
No trial has gone above the doses here, so higher is untested, not stronger
  • No human study has ever established a dose-response curve for BPC-157.
  • The larger case-series exposures (10 mg intravesical, up to 20 mg IV) were single doses by other routes.
  • They license nothing about a milligram a day under the skin for six weeks.
  • Doubling the dose doubles the cost and burns a 5 mg vial in five days.

Weekly Schedule

BPC-157 is run every day with no washout week. The morning injection is the base for every tier; the standard and acute tiers add a second injection in the evening, the same dose again, not a larger one.

Morning dose: all tiers
M
T
W
T
F
S
S
Evening dose: standard & acute tiers
M
T
W
T
F
S
S
Inject
No injection
Optional: standard and acute tiers only
Twice daily is the convention
  • BPC-157 clears in under 30 minutes in animal work, so two smaller injections cover more of the day than one larger one.
  • Want fewer needles? Drop the evening dose: it halves the weekly total and keeps every day covered.
  • Skipping weekends instead removes 2 of 7 days, about 29% of the week.
  • Missed a dose? Take it when you remember, or skip it. Do not double up.

BPC-157 Reconstitution Calculator

Enter your vial size, how much water you added, and the dose you want; we'll tell you exactly how much to draw. A 5 mg vial with 2 mL of bacteriostatic water gives 2,500 mcg/mL, which puts a 250 mcg dose at 10 units on a U-100 syringe. Microgram doses draw small, so the calculator will warn you when a draw is too short to measure reliably.

mg

Double-click a preset to edit it

mL

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mcg

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Your syringe

Mid-size, most popular for peptides

Concentration

2.50 mg/mL

1 unit = 25 mcg

Draw volume

0.100 mL

= 250 mcg ÷ 2500 mcg/mL

Units to draw (0.5 mL syringe)

10.0 units

0.5 mL Syringe

10.0 IU
01020304050 IU

From Vial to Injection in 6 Steps

1
Wipe both vial tops

Alcohol swab the BPC-157 vial and the bacteriostatic water vial, and let both air-dry before you pierce either one.

2
Add 2 mL slowly

Run the bacteriostatic water down the inside wall of the 5 mg vial rather than squirting it onto the powder cake.

3
Swirl, don't shake

Roll the vial gently until the solution is completely clear. Shaking damages the peptide.

4
Draw your dose

Use a fresh U-100 insulin syringe and the calculator. At 2,500 mcg/mL, 250 mcg is 10 units, 500 mcg is 20 units and 750 mcg is 30 units.

5
Inject and rotate

People inject subcutaneously into the abdomen or the flank, rotating sites and staying clear of the navel, scar tissue and bruises. No published human study has used subcutaneous BPC-157 at all, so the route itself is convention.

6
Fridge, then finish

Keep the vial at 2–8 °C, dark, and never freeze it once mixed. Treat roughly 28 days as the outside limit for a reconstituted vial; that number comes from the benzyl-alcohol preservative in bacteriostatic water, not from a published BPC-157 stability study. Discard it if the solution turns cloudy or throws particles. Needles go in a sharps container.

One 5 mg vial is 10 days at the standard 500 mcg per day, or 20 days at the conservative 250 mcg, so a 4 to 6 week cycle is three to five vials, not one. Mixing with less water raises the concentration and shortens the draw, which makes small doses harder to measure rather than easier; 2 mL is the sensible compromise at these amounts.

What to Expect

This timeline is short because what has been measured is short. Everything below is either a practical observation about injecting or an explicit gap.

Days 1–3Nothing to feel, and that is expected

BPC-157 produces no acute sensation. The only reliable early signals are local: a small red weal, a brief sting, occasionally a bruise. Anything systemic and dramatic in the first three days is more likely the vial than the peptide.

Weeks 1–2The most placebo-prone window

This is where people report that a nagging tendon or an irritable gut feels easier. It is also when expectation, deliberate rest and new rehab work are doing the most, and no controlled trial has separated those. Write down one measurable thing now (pain on a named movement, range of motion, load tolerated), so week four has something to compare against.

Week 4The honest decision point

If the measurable thing you wrote down has not moved after four weeks of consistent twice-daily dosing, the reasonable conclusion is that it is not going to. No duration or dose-response data supports extending the cycle instead.

Weeks 4–6Conventional stopping point

Most protocols end here, and gut-focused ones run to eight or twelve weeks. Stopping is not a taper and there is nothing to manage on the way down; you simply stop. If something did improve, stop anyway and see whether it holds, because an improvement that reverses within a week was probably the rest.

Measure before you start. Pick one movement, one pain score and one load number, record them on day one and again on day twenty-eight, and hold your training and sleep steady in between.

Feeling Something? Check Here

🟢 Normal: keep going
  • Injection-site redness, or a brief sting as it goes in.
  • A small bruise, or transient local warmth.
  • A mild lump that settles within a day.
  • Rotating sites usually fixes all of these.
🟡 Talk to a doctor
  • Injection-site lumps that persist between doses.
  • A headache that reliably tracks each dose.
  • Unusual fatigue, lightheadedness or nausea.
  • Any new symptom that reproduces when you re-dose after a break.
🔴 Stop and get help now
  • Spreading redness, heat, pus or fever at an injection site.
  • Hives, or swelling of the face, lips or throat.
  • Chest pain or shortness of breath.
  • A new lump, or a mole or growth that changes or enlarges during use.
Do not use BPC-157 if any of these apply
  • Active, suspected or previously treated cancer that is not in documented remission, or any undiagnosed lump under investigation: BPC-157 promotes angiogenesis and cell migration in preclinical models, and has never been safety-tested in humans at any dose.
  • Pregnancy or breastfeeding: no reproductive toxicity data exists.
  • Known hypersensitivity to BPC-157, or to anything else in the vial including the benzyl alcohol in bacteriostatic water.
  • Any athlete in a drug-tested sport: BPC-157 is prohibited at all times under WADA category S0.

BPC-157 is not an approved medicine anywhere, and the FDA has stated there is no legal basis for compounding pharmacies to use it. What you buy is research-grade material with no pharmacopeial requirement for sterility, endotoxin or identity testing. Insist on batch-specific third-party testing.

FAQ

How many units of a U-100 syringe is 250 mcg of BPC-157?+

Ten units, if you mixed a 5 mg vial with 2 mL of bacteriostatic water. That gives 2,500 mcg/mL, and one unit on a U-100 syringe is 0.01 mL, so one unit equals 25 mcg. On the same mix, 500 mcg is 20 units and 750 mcg is 30 units. Change either the vial size or the water volume and every one of those numbers changes: a 10 mg vial in the same 2 mL makes each unit 50 mcg, so 250 mcg becomes 5 units, not 10. Always recalculate from the vial in front of you rather than reusing a unit count you read somewhere.

Where does the 250–500 mcg dose actually come from?+

Convention. It does not appear in any controlled human trial, any drug label, or any registered protocol with published results. It propagated out of clinic and vendor protocols and hardened into a standard through repetition, usually expressed as 2–7 mcg per kilogram per day. It is the range most sources converge on, which is a real and useful thing to know; it is just not the same thing as a proven dose.

Has BPC-157 ever been given to humans?+

Yes, but not this way and not in a controlled trial. Searching PubMed for BPC 157 with the clinical-trial filter returns zero results. What exists is three small uncontrolled case series, all from the same group: intra-articular injection into the knee for various knee pain, reported in 2021 with 16 evaluable patients; 10 mg given intravesically into the bladder for interstitial cystitis in 12 patients; and intravenous dosing up to 20 mg in two patients. None were placebo-controlled, none were subcutaneous, and none were large. Separately, one Phase 1 study of oral BPC-157 tablets completed years ago and never posted results, and a Phase 2 trial of subcutaneous BPC-157 for hamstring strain began recruiting in 2026 without disclosing its dose in the registry.

Is oral BPC-157 as good as injecting it?+

Nobody has compared them in a person, which is worth knowing before you pay a premium for either. The one interesting fact is that the only completed registered human study used oral tablets (1 mg tablets, up to 9 mg a day), so the oral route has more registered human exposure behind it than the subcutaneous route does, even though its results were never published. Oral capsule protocols are conventionally dosed several times higher than injectable ones to account for lower systemic absorption, and gut-focused protocols favour oral specifically because the target tissue is the one the capsule lands in. Arginate-salt versions are marketed as more stable; no published human comparison supports the premium.

Should I inject near the injury?+

Convention says yes and there is no human evidence either way for subcutaneous injection. The preclinical work that built BPC-157 its reputation used a mix of routes, including systemic ones, and often produced effects at sites well away from the injection, which argues the effect is not purely local. Injecting into or immediately around an inflamed joint, a tendon sheath or a suspected tear also carries a real infection risk that an unproven benefit does not offset. The one human case series that did inject directly into a joint was done by a clinician under sterile conditions. Subcutaneous into the abdomen or flank, sites rotated, is the low-risk default.

How long does the reconstituted vial last?+

The working convention is about 28 days refrigerated at 2–8 °C when mixed with bacteriostatic water, which contains a preservative. Plain sterile water has no preservative and should be treated as single-session. Be aware that the 28-day figure is standard peptide-handling practice carried across from other compounds; no published stability study for BPC-157 in solution establishes it. Keep the vial dark, never freeze it after mixing, and discard it if the solution turns cloudy, develops particles, or the cake never dissolved cleanly.

Will BPC-157 show up on a drug test?+

In a tested sport, assume yes. BPC-157 is prohibited at all times under WADA category S0, unapproved substances, and USADA states plainly that it is not approved for human clinical use by any global regulatory authority. There is no therapeutic-use exemption available for a compound with no approved indication, so this is disqualifying regardless of dose or route. A standard workplace or pre-employment drug panel does not look for it.

Why can I not get BPC-157 from a pharmacy?+

Because the FDA has said there is no legal basis for compounding pharmacies to use it, which is why compounded BPC-157 largely disappeared from clinics that once offered it. Everything sold now is research-grade material outside that pathway. That is a dosing issue as much as a legal one: research chemicals carry no pharmacopeial requirement for sterility, endotoxin or identity testing, so the number on the label is a claim rather than a specification. Buy from vendors that publish third-party HPLC and mass-spec results for the specific batch you received, and treat an unverified vial as an unknown quantity no matter how carefully you do the arithmetic.

Sources

The dosing tiers above are convention; no source below states them. These establish the evidence around them: what has been given to humans, by which route, and what the regulatory position is.

The longer treatment of all of this (mechanism, oral versus injectable, stacking with TB-500, and how to vet a vendor) lives in the full BPC-157 dosing guide.

Disclaimer: This content is for informational and research purposes only and is not medical advice. BPC-157 is not an approved medicine in any jurisdiction, no controlled human trial of it has been published, and every dose described here is clinic and community convention rather than a trial-derived figure. It is prohibited at all times in drug-tested sport. Always consult a qualified healthcare professional before starting any peptide protocol. PeptideDeck is not responsible for individual use.

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