● Compound A
● Compound B
Syringe Loading Protocol
10.0 Units of A
+
10.0 Units of B
20.0 Final Plunger Mark
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How to Stack Safely

Which peptide should I draw first?
Always draw the clearer peptide first. This minimizes the visual impact of accidental cross-contamination in the second vial.
How do I prevent cross-contamination?
Inject air into both vials first. When drawing the second peptide, ensure you do not push any of the first peptide into the second vial. Precision is key.
Can I stack more than 2 peptides?
While technically possible, stacking 3+ peptides increases complexity and cross-contamination risk. For most protocols, limiting to 2 compounds per injection is recommended.
⚠️ Research Use Only — Not Medical Advice This calculator is for educational and research purposes only. It does not constitute medical advice, diagnosis, or treatment recommendations. Always consult a qualified healthcare provider before making any decisions about medications or dosing protocols. Verify all calculations independently before use.