NAD+ is the primary recommendation for: Patients with persistent fatigue, brain fog, or cognitive decline that tracks with aging rather than a specific metabolic cause
[131] [132] Species from the following genera and the following individual species are known to synthesize B 12 : Propionibacterium shermanii , Pseudomonas denitrificans , Streptomyces griseus , Acetobacterium , Aerobacter , Agrobacterium , Alcaligenes , Azotobacter , Bacillus , Clostridium , Corynebacterium , Flavobacterium , Lactobacillus , Micromonospora , Mycobacterium , Nocardia , Proteus , Rhizobium , Salmonella , Serratia , Streptococcus and Xanthomonas
Too much signal and the doseresponse curve flattens - you spend more money and expose yourself to more side effects for no extra benefit
10.1021/acsabm.9b00755 [DOI] [PubMed] [Google Scholar] Zhou X., Li C., Shao Y., Chen C., Yang Z., Liu D
H., Wokke, J