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what is the usual injection dosage for b12 How Often Can I Take Injections? normal dose of vitamin b12
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We are unaware of any new NICE guidelines relating to this

[39] The elderly are at increased risk because they tend to produce less stomach acid as they age, a condition known as achlorhydria, thereby increasing their probability of B 12 deficiency due to reduced absorption

For leaner individuals, the subcutaneous layer may only be 5-8mm, which means a 45-degree angle and skin pinching become essential to avoid hitting the muscle

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