b12 injection ampoules hi-res stock photography and images Vitamin B12 - Hormone Therapy
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All of them will work, but some will just be more comfortable to use

In older people, it can help alleviate the vitamin deficiency that can result from a lack of variety in diet, and can also help maintain energy levels and maintain memory function
The 2024 NICE guideline NG239 sets out a more intensive loading schedule for patients with neurological involvement precisely because their starting point is worse

But don't let that tempt you because it can cause serious neurological damage
