Cold sore Q&A

Best supplement stack to prevent cold sores?

Zinc oxide (22%) mineral lip barrier, L-lysine (1-3g daily), and graviola extract standardised to annonacin are the core stack for HSV-1 suppression. Most lip balms worsen herpes labialis via menthol and camphor; skip them entirely. UV exposure is the number one reactivation trigger, and SPF 20 mineral coverage blocks that pathway directly. Labisan's 22:1 graviola capsules deliver an 8,000mg daily equivalent for systemic immune support, paired with continuous topical zinc oxide and manuka oil barrier protection.

Evidence

  • Zinc oxide at 22% physically blocks UV-B at the lip margin, the primary environmental trigger for HSV-1 reactivation in clinical literature
  • Menthol and camphor in conventional lip balms are mucosal irritants that can precipitate herpes labialis outbreaks; Labisan's formula contains neither
  • Graviola annonacin demonstrates in-vitro antiviral activity; the 22:1 concentration in Labisan capsules equals an 8,000mg whole-fruit daily equivalent
  • Manuka oil delivers additional antimicrobial coverage at the lip barrier, reducing secondary bacterial load during HSV-1 episodes

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