Mifamurtide vs HD5

Head-to-head comparison of Mifamurtide (Muramyl Tripeptide Phosphatidylethanolamine) and HD5 (Human Alpha-Defensin 5) — benefits, dosing, side effects, research data, and where to buy.

Research Score

PropertyMifamurtideHD5
CategoryImmune SupportImmune Support
Full NameMuramyl Tripeptide PhosphatidylethanolamineHuman Alpha-Defensin 5
Molecular WeightN/A3708 Da
Half-Life2-4 hMinutes to hours; protease-sensitive
Amino AcidsN/A32
Typical Dose2 mg/m2Research use only; no approved human dose
RouteIntravenousOral-local gut / Research parenteral
Purity≥98%≥98%
Studies Count150260
Research StatusClinicalPre-clinical

Mifamurtide Benefits

  • macrophage-activation
  • innate-immune-signaling
  • immune-adjuvant-research
  • cytokine-response

HD5 Benefits

  • gut mucosal defense
  • antimicrobial activity
  • microbiome balance support
  • barrier integrity support

Mifamurtide Dosing

2 mg/m2 IV|2x weekly for 12 weeks|then weekly for 24 weeks in approved regimens

HD5 Dosing

0.1–10 µM in vitro|1–5 mg/kg in animal models|No established human dose

Mifamurtide Side Effects

  • fever/chills
  • fatigue
  • nausea

HD5 Side Effects

  • protease sensitivity
  • potential epithelial irritation at high concentrations
  • unknown systemic safety

Research Overview

Mifamurtide

Mifamurtide has substantial literature as an innate immune activator and is an approved oncology adjunct in some regions. Research centers on NOD-like receptor signaling, macrophage activation, and downstream cytokine effects.

HD5

HD5 has been widely studied in intestinal innate immunity, particularly for its role in defending crypts against bacterial invasion. Preclinical literature supports activity against multiple microbes and links altered HD5 biology with gut barrier dysfunction.

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Common Stacking Partners

Mifamurtide stacks with:

Vitamin DZincOmega-3

HD5 stacks with:

probioticsprebioticszinc-carnosine
innate-immunitymacrophage-activatorlipopeptidealpha-defensingut-immunitymucosal-defensemicrobiome