What does a real peptide protocol look like when you move past the hype? The answer starts with two names: BPC-157 and TB-500. These are the most common peptides in performance circles, and most users run them for recovery. But protocols differ by goal, by compound, and by your own risk tolerance. Here is the full list, with schedules, safety rules, and the evidence behind each step.
What are the most common peptides used in performance enhancement?
BPC-157 and TB-500 lead the list. BPC-157 is a synthetic peptide derived from a protein found in gastric juice. TB-500 is a fragment of thymosin beta-4, a naturally occurring protein involved in tissue repair. Both are used for injury recovery, but they work through different mechanisms. BPC-157 promotes angiogenesis and modulates growth factors locally. TB-500 binds actin and supports cell migration. Other peptides appear in performance protocols: GHRP-2, GHRP-6, ipamorelin, CJC-1295, and IGF-1 LR3. These target growth hormone pathways. A smaller group, like AOD-9604 and fragment 176-191, gets used for fat loss. The evidence quality for most of these is low, around a 1 or 2 on a 3-point scale. Most published work is in animal models.
How do BPC-157 and TB-500 protocols differ for injury recovery?
BPC-157 is usually injected near the injury site, once or twice daily. TB-500 is injected systemically, often every other day or twice weekly. BPC-157 has a short half-life, so frequent dosing makes sense. TB-500 stays active longer, so spacing doses works. A common stack is BPC-157 daily plus TB-500 twice a week. The trade-off: BPC-157 requires more injections, while TB-500 costs more per milligram. For a localized tendon or ligament issue, BPC-157 alone may be enough. For a systemic recovery push or multiple injury sites, adding TB-500 helps. This is a decision rule you can apply: one site, use BPC-157. Multiple sites or whole-body soreness, add TB-500.
What is a typical dosage schedule for BPC-157?
The most cited schedule is 250 to 500 micrograms per day, split into one or two injections. Some protocols run 250 mcg twice daily for the first two weeks, then 250 mcg once daily for maintenance. Others use 500 mcg once daily from the start. Cycle length typically runs four to six weeks, followed by a break. The evidence for these exact numbers is thin. Most comes from rodent studies using much higher doses relative to body weight. Human anecdotal reports cluster around the 250 to 500 mcg range. If you are new to this, start at 250 mcg once daily. Assess after one week. Increase only if needed.
What is a typical dosage schedule for TB-500?
TB-500 protocols usually start with a loading phase. A common schedule is 2.5 to 5 mg twice weekly for the first two to four weeks. Then a maintenance phase of 2.5 mg once weekly or every other week. Total cycle length runs four to eight weeks. Some users run a higher loading dose of 5 mg twice weekly for the first two weeks only. The half-life supports less frequent dosing than BPC-157. But the cost per milligram is higher. A 5 mg vial may last two to four weeks depending on your schedule. Check the peptide storage temperature stability guide before reconstituting. Improper storage kills the peptide before you inject it.
Are there any peptide protocols for fat loss or muscle gain?
Yes, but the evidence is weaker than for BPC-157 and TB-500. For fat loss, AOD-9604 and fragment 176-191 are the usual names. Typical protocols run 250 to 500 mcg once or twice daily, often fasted. For muscle gain, growth hormone secretagogues like ipamorelin, GHRP-2, and CJC-1295 appear. A common stack is ipamorelin plus CJC-1295, injected once or twice daily. Dosages range from 100 to 300 mcg per injection. The catch: these peptides raise growth hormone, but the muscle-building effect in healthy adults is modest. The fat loss effect is also inconsistent. A recent look at GLP-1 agonists and nutrient partitioning shows a different pathway that may matter more for body composition. For pure performance, BPC-157 and TB-500 remain the better-supported choices.
What safety precautions should be followed when using peptide protocols?
First, verify your source. Third-party COAs are not optional. Learn how to vet a peptide COA before you buy. Second, use sterile technique. Alcohol swabs, new syringes, clean vials. Third, start low and go slow. The lowest effective dose is the right dose. Fourth, track your response. Write down dose, injection site, and any side effects. Fifth, cycle off. Most protocols run four to eight weeks, then a break of equal length. Sixth, know the legal status in your region. Peptides for human use are not approved in most countries. You are your own research subject. Treat it that way.
Frequently Asked Questions
Can BPC-157 and TB-500 be taken together?
Yes, they are often stacked. BPC-157 is injected daily near the injury, while TB-500 is injected twice weekly systemically. The combination covers both local and systemic repair. Start with one compound first to assess tolerance, then add the second after a week.
How long does it take to see results from peptide protocols?
Most users report noticeable changes within two to four weeks for BPC-157 and TB-500. Fat loss and muscle gain protocols take longer, often six to eight weeks. Results vary widely. Animal studies show faster healing, but human data is anecdotal.
Are peptide protocols legal for performance use?
In most countries, peptides like BPC-157 and TB-500 are not approved for human use. They are sold for research purposes only. Possession and use may be restricted or illegal depending on your location. Check local laws before ordering.
What is the best injection site for BPC-157?
The best injection site is as close to the injury as possible. For a knee injury, inject subcutaneously near the knee. For a shoulder, inject near the shoulder. If the injury is internal or hard to reach, a systemic injection into the abdomen works as a fallback.
Do peptide protocols require post-cycle therapy?
No. BPC-157 and TB-500 do not suppress natural hormone production, so post-cycle therapy is not needed. Growth hormone secretagogues may affect natural GH pulses, but the effect is mild and short-lived. A simple break between cycles is usually enough.