"Prevalence of folate and vitamin B12 deficiency in Mexican children aged 1 to 6 years in a population-based survey"
Many healthcare professionals recommend taking B12 supplements in the morning for practical reasons
While these effects are beneficial in specific contexts such as treating growth hormone deficiency in children, muscle wasting conditions, or severe catabolism, they create unwanted consequences when the goal is simply fat reduction
For repletion of a confirmed deficiency, I use higher doses, typically 1000 to 2000 mcg per day
[9] Patients should be advised to contact their healthcare provider if they experience any severe or persistent side effects, such as difficulty breathing, chest tightness, severe rash, or dizziness