Although there is currently no evidence to suggest any adverse side effects from excess vitamin B12 supplementation, there is no need to take excessively high amounts of the vitamin, as the body can only absorb so much anyway
10.1007/s40618-024-02526-9 [DOI] [PMC free article] [PubMed] 43.Alves LF, da Silva IN, de Mello DC et al (2024) Epigenetic regulation of DLK1-DIO3 region in thyroid carcinoma
After the lawsuit, the FDA had temporarily paused enforcement but reaffirmed its position in December
doi: 10.1128/MCB.05603-11 77 PrasunP
Whilst the market is currently led by Novo Nordisks semaglutide (Ozempic/Wegovy) and Eli Lillys tirzepatide (Mounjaro/Zepbound), stronger competition is expected with new entrants (Boehringer Ingelheim, Amgen, Pfizer, Roche amongst others) offering novel mechanisms (dual agonists, triple agonists and amylins), formulations (oral vs injectable) and dosing regimens (daily vs weekly vs monthly).