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The injectable formulation is designed to quickly replenish Vitamin B12 levels, essential for nerve function, DNA synthesis, and red blood cell formation
Getting older
But metformin can also affect vitamin B12 absorption, she says
Lipid panels provide insight into cardiovascular risk factors that may improve as body composition changes
Further, NASO B12 was well-tolerated throughout the treatment period.[] Patients on metformin therapy receiving NASO B12 should also be instructed that they will require weekly intranasal administration of NASO B12 spray in each nostril after correction of vitamin B12 deficiency for the remainder of their lives
In short: B12 shots are used because they deliver vitamin B12 faster, more reliably, and more efficiently than oral supplements, especially if you have an absorption issue
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