Injections may be recommended for individuals who have difficulty maintaining healthy B12 levels through diet or oral supplements
Whilst the NHS notes that taking up to 2,000 micrograms daily is unlikely to cause harm in most people, there is generally no benefit to consuming such excessive amounts unless treating confirmed deficiency under medical supervision
It functions in cellular signaling and lipid metabolism and has a role in serotonin signaling, which is the basis for the frequent claim that it curbs appetite
Does anyone have any hard evidence that B12 vials really deteriorate after the use by date, or is it just a marketing game
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However, no research directly compares continuous use versus cycling protocols (such as 12 weeks on, 4-8 weeks off), leaving optimal long-term strategies somewhat uncertain