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Your doctor will prescribe a blood test to check vitamin B12 levels that is crucial for them to know what is the level of Vitamin B12 deficiency
doi: 10.1042/BST0350780
For medical decisions, speak with a qualified healthcare professional.
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We recommend future research directions to determine when to start with SL, IM, or oral vitamin B12 in different situations
Originally conceived to replicate the fat-metabolising action of hGH without its broader endocrine effects, it was once viewed as a promising metabolic research molecule
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