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A 2025 meta-analysis of 16 studies involving 6,098 participants found no statistically significant difference between intramuscular, oral, and sublingual B12 supplementation routes
Healthcare providers must know these requirements for proper care
Before starting B12 supplementation , discuss with your GP if you have existing gastrointestinal conditions or are taking multiple medications
The length of time a B12 shot lasts depends on why you need it
Curious about the benefits of B12 shots and whether they can give you a lift
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