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. 2024 Aug 2;12(8):1581. doi: 10.3390/microorganisms12081581

Table 1.

MIC100 and MBC100 of niacinamide against various microorganisms represented in ppm.

Niacinamide (ppm)
Microorganism MIC100 MBC100
E. coli 30,000 60,000
S. aureus 25,000 >60,000
P. aeruginosa 15,000 60,000
C. albicans 30,000 60,000
A. brasiliensis 40,000 >60,000