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What affects whether you notice anything at all: Whether you had a true nutrient deficiency to correct (especially for B12-related fatigue) Your calorie intake, protein, and consistency Sleep, stress, and movement Whether youre also using evidence-based tools (like FDA-indicated GLP-1 options when appropriate) Medical disclaimer This article is for education only and is not medical advice
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Being deficient in vitamin B12 has been linked to anxiety due to the way B12 deficiencies trigger symptoms in red blood cells and the nervous system, and interfere with brain chemistry
So for the most common long-term situation, an absorption problem, maintenance means one injection every two to three months rather than anything weekly or monthly
How often should B12 shots be administered
(85 g) provides 156% of the DV (22,26)
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