One isnt necessarily better than another
The liver stores 3 to 5 years worth of b12 under normal circumstances
[1] This characteristic has led to the widespread belief that vitamin B12 toxicity is virtually impossible
49 However, an interim analysis at 72 weeks of a phase 3 trial of semaglutide 2.4 mg once weekly for MASH showed histological improvements, including resolution of fibrosis, reduction of liver fibrosis and resolution of steatohepatitis in a significant number of patients
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431,432,433,434 The NAc has been well studied for its role in reward processing behaviour, which is predominantly composed of inhibitory MSNs that differ in the type of DA receptor they express, D1R or D2R