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Physical stamina: As your red blood cells begin to function more efficiently and carry oxygen better, you may start to feel your strength returning, which can make everyday activity and exercise easier

The 2024 NICE update was explicit on one point: do not rule out B12 deficiency just because the standard blood count looks normal

A peptide's sequence determines which enzymes recognize it

Once levels stabilise, injections are usually spaced further apart, often every few months