🏗️ Peptide Protocol Builder
Build a full multi-peptide weekly injection schedule. Add compounds, set doses and frequencies, get a printable week-by-week plan.
Planning a Multi-Peptide Protocol
Running multiple peptides simultaneously is common in research protocols — BPC-157 + TB-500 for tissue repair, CJC-1295 + Ipamorelin for growth hormone release, or Semax + Selank for cognitive enhancement. Managing injection timing, daily schedules, and vial requirements across multiple compounds is complex without a structured plan.
This builder lets you add any combination of the 23 peptides in our database, set individual doses and frequencies for each, specify your cycle length, and generate a clean Monday-to-Sunday injection schedule alongside a full vial requirement list for the cycle.
BPC-157 500 mcg twice daily + TB-500 5,000 mcg twice per week for 8 weeks.
- Add BPC-157 → 500 mcg → 2× daily (AM + PM)
- Add TB-500 → 5,000 mcg → 2× per week
- Set cycle length → 8 weeks
- Builder generates weekly grid and vial requirements
Protocol Builder — Frequently Asked Questions
Can I inject multiple peptides at the same site on the same day?
Many researchers inject compatible peptides at the same subcutaneous site simultaneously — particularly complementary pairs like BPC-157 + TB-500 or CJC-1295 + Ipamorelin. However, best practice is to use separate injection sites when possible to avoid irritation from combined volumes. Always introduce new peptides one at a time before combining, so that any side effect can be attributed to the correct compound. Once individual tolerability is established, stacking is generally well-tolerated.
How long should a peptide protocol cycle last?
Cycle length varies by peptide class. Acute repair protocols (BPC-157, TB-500): 4–12 weeks. Growth hormone-releasing peptide stacks (Ipamorelin + CJC-1295): 12–24 weeks. Epithalon: 10–20 day intensive cycle. GLP-1 agonists: continuous (months to years). Cognitive peptides (Semax, Selank): 2–4 week cycles with breaks. The Peptide Reference table lists standard cycle guidance for each compound. Always plan an off period equal to the cycle length to prevent receptor downregulation.
What is the best timing strategy for AM and PM injections?
Standard convention: AM dose upon waking, fasted, before food. PM dose at bedtime, 2–3 hours post last meal. For growth hormone-releasing peptides specifically, fasted state is critical — elevated blood glucose blunts GH release. When running 3× daily, add a midday dose 2–3 hours after lunch and 2+ hours before the evening meal. Rotate injection sites systematically (left abdomen, right abdomen, left thigh, right thigh) to prevent lipodystrophy from repeated injection at the same location.
Do I need breaks between peptide cycles?
For most peptide classes, yes. The standard is an off period matching the cycle length (e.g. 8 weeks on / 8 weeks off). This prevents receptor downregulation — particularly relevant for GHRPs like Hexarelin and GHRP-2, which desensitise within weeks of continuous use. It also allows the body's endogenous regulatory systems to recalibrate. BPC-157 has an excellent safety profile and some protocols use low-dose maintenance between active cycles. Consult the specific peptide's research literature for cycle-break guidance.