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The back of your upper arm (triceps area) is a viable third option, though it requires either a helper or careful self-injection technique
Researchers should use appropriate laboratory tools and equipment to ensure accurate and sterile results
Declining B12 despite supplementation may indicate an absorption issue requiring higher-dose supplementation
For dietary deficiency, the BNF recommends oral cyanocobalamin 50150 micrograms daily
These conditions can cause B12 levels to rise as a secondary phenomenon
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