HEALTH PROFESSIONALS

The Scientific Perspective

DIVIRNAM brings together:

  • Vitamin D3 with an authorised health claim for immune function
  • Ammonium chloride, supported by literature examining its role in:
    • intracellular pH regulation
    • endosomal function
    • viral entry pathways (in vitro)
    • respiratory physiology

AMMONIUM CHLORIDE STUDIES

This section is intended only for healthcare professionals. It summarises key laboratory and experimental findings about ammonium chloride. It does not describe effects of DIVIRNAM as a product.

Key Literature Themes

  • Lysosomotropic activity: ability to modify endosomal/lysosomal pH
  • Interference with pH-dependent viral entry (shown in in vitro models)
  • Modulation of cellular pathways involved in virus–host interactions
  • Role in respiratory physiology and mucus fluidity

 

Representative Studies

  1. Lan et al., 2022 – Mechanistic review on SARS-CoV-2
    NH₄Cl inhibited multiplication of Infectious Pancreatic Necrosis Virus in early infection stages.

    Farías G, Navarrete E, Kiss J, Kuznar J. Effect of ammonium chloride on the multiplication of infectious pancreatic necrosis virus. Arch Virol. 1988;98(3-4):155-62. doi: 10.1007/BF01322165. PMID: 3348747.

  2. Ashfaq et al., 2011 – Viral entry inhibition model
    NH₄Cl blocked HCV pseudoparticle entry in human cell lines by modifying vesicular pH.

    Ashfaq UA, Javed T, Rehman S, Nawaz Z, Riazuddin S. Lysosomotropic agents as HCV entry inhibitors. Virol J. 2011 Apr 12;8:163. doi: 10.1186/1743-422X-8-163. PMID: 21481279; PMCID: PMC3090357.

  3. Di Trani et al., 2007 – Influenza strain sensitivity
    Complete inhibition of cytopathogenicity in certain low-pH-dependent influenza strains.

    Di Trani L, Savarino A, Campitelli L, Norelli S, Puzelli S, D’Ostilio D, Vignolo E, Donatelli I, Cassone A. Different pH requirements are associated with divergent inhibitory effects of chloroquine on human and avian influenza A viruses. Virol J. 2007 May 3;4:39. doi: 10.1186/1743-422X-4-39. PMID: 17477867; PMCID: PMC1878474.

  4. Canning & Fields, 1983 – Reovirus study
    NH₄Cl prevented lytic replication of reovirus in mouse L cells.

    Canning WM, Fields BN. Ammonium chloride prevents lytic growth of reovirus and helps to establish persistent infection in mouse L cells. Science. 1983 Feb 25;219(4587):987-8. doi: 10.1126/science.6297010. PMID: 6297010.

Reminder: These findings relate to ammonium chloride under experimental settings and do not imply clinical effects of DIVIRNAM.
This creates a rational nutritional approach for adults during periods of increased viral exposure or seasonal vulnerability.

 

Clinical Considerations

Healthcare professionals may find DIVIRNAM relevant for adults seeking:

  • Immune system support
  • Nutritional reinforcement under stress
  • Prolonged-release supplementation
  • Lifestyle-adapted wellness strategies