only bacteriostatic water contains a preservative
Dual-column RP + HILIC acquisition in positive and negative ion modes
JoVE (Journal of Visualized Experiments) 193:e64609 Ragusa F, Fallahi P, Elia G, Gonnella D, Paparo SR, Giusti C, Churilov LP, Ferrari SM, Antonelli A (2019) Hashimotos thyroiditis: epidemiology, pathogenesis, clinic and therapy
For example, ammonium inhibits perforin maturation, leading to reduced levels of mature perforin in NK cells and consequently diminishing NK cell cytotoxicity
The question of whether additional supplementation provides meaningful benefit on top of adequate dietary intake and normal endogenous production is exactly where the evidence gets thin