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Future research should focus on refining these treatment modalities and expanding comparative studies to optimize B12 deficiency management strategies effectively

Beyond the GI tract, semaglutide has been associated with fatigue, dizziness, headaches, and changes in taste perception

Vitamin B12 shots may not be suitable for people with a history of: sensitivity to vitamin B12 Lebers disease, which affects the optic nerve kidney problems hypokalemia (low potassium levels) deficiencies in other nutrients, particularly folic acid and iron Vitamin B12 injections typically begin to work straight away

Higher NNMT levels have also been observed in patients with some forms of muscular dystrophy [12]