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Initially, Safe B12 injection dosage for adults is usually administered 1-3 times per week
Understanding Safe Limits While B vitamins are water-soluble and your body flushes out what it doesnt use, there is such a thing as too much, especially with frequent or high-dose injections
Inhibition of pigeon liver NAD kinase by a non-phosphorylatible analogue of NAD [PMID: 11945863] Laboratory literature summary: Inhibition of pigeon liver NAD kinase by a non-phosphorylatible analogue of NAD
Theoretical concerns Copper accumulation: Each 2mg injection contributes about 0.03mg copper versus 0.9-2.2mg from daily diet
It occurs naturally in foods like meat, fish, milk, and eggs, so its already a part of most peoples diets
