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But here's the catch - NAD+ precursors like NR break down quickly in water and "degrade rapidly within weeks" [2]

Another meta-analysis by Elkin et al

Biosci Biotechnol Biochem 84(3):463470

Want a Health Boost: Even without a diagnosed deficiency, some individuals seek B12 injections to enhance energy, mood, and overall health

B6 supports red blood cell production and energy conversion, methionine aids in the metabolism of fats, inositol boosts energy production, choline accelerates fat metabolism, and B1 and B2 support the immune system and fuel metabolism

The products may also interact with commonly prescribed medications