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Funding This work was supported by grants from the National Natural Science Foundation of China (NSFC Numbers 81672800, 81603009, 81673020, 81802632, and 82173830), Natural Science Foundation of Shaanxi (2020JQ-445), and the Key Research and Development Program of Shaanxi Province (2021SF-207, 2021SF-223, and 2022ZDLSF05-19)
Suggested Usage Two sprays in mouth once or twice per day or as recommended by a healthcare professional
Any disruption along this pathway can lead to deficiency regardless of dietary intake, which is why some patients need supplementation even when they eat B12-rich foods
Experience rapid benefits without waiting for the digestion and absorption process
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Small molecule inhibitor of nicotinamide N-methyltransferase shows anti-proliferative activity in HeLa cells
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