Stack Checker

Check your peptide stack for interactions

Select 2 or more peptides to check for interaction warnings, half-life conflicts, reconstitution issues, and metabolic convergence risks. Warnings combine direct combination studies with mechanism-based inference from individual compound profiles.

Select peptides in your stack

Click to add. Select at least 2.

Common commercial stacks (single-vial blends):

Preset buttons select all component peptides. Deselect any chip to modify.

Selected: none

How to read the results

Severity levels

  • Info Worth knowing, no action needed
  • Caution Be aware, adjust approach
  • Warning Significant risk, mitigation required
  • Avoid Do not combine

Interaction types

  • Half-life conflict: dosing schedule mismatch
  • Reconstitution conflict: pH/charge/solubility issue
  • Metabolic convergence: pathways converge on same endpoint
  • Receptor competition: same receptor, competitive binding
  • Additive effect: same pathway, additive potency