I prefer the sublingual route, as it is highly absorbable, making it a more convenient and effective option for those with pernicious anemia (this condition can create issues with absorbing B12 orally)
Studies show that it can benefit people with neurodegenerative diseases
[13] These bouts are typically observed in the mating season
The scientific case for it: A 2008 study at the University of CaliforniaIrvine found that alpha lipoic acid slowed the aging-related decay of mitochondria in the brain cells of laboratory animals
doi:10.1186/s12933-023-01765-z 2.Y
If you follow a vegan diet, B12 is not found naturally in fruit, vegetables or grains, so fortified foods or a supplement matter more, and seaweed, spirulina and similar products are not reliable sources