Soon D, Kothare PA, Linnebjerg H, et al
Interestingly, these effects were more pronounced in the high-dose APLA group compared to PLA, suggesting dose- and type-dependent neurotoxicity (Qian et al., 2025)
For conditions where there are defective nerves, such as peripheral neuropathy, neuralgia, and Mortons neuroma or any interspace perineural neuritis, injecting a concentrated B12 dose directly around the nerve has been shown to promote nerve repair and diminish pain from nerve damage
The short answer for the majority of people with benign thyroid conditions is yes, but it comes with important caveats regarding safety, monitoring, and the type of thyroid condition involved
Long-term benefits are much murkier
See figure-1