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For individuals experiencing fatigue or low vitamin levels, B12 injections may help support normal energy levels before and during travel
More human studies are necessary to determine its safety profile
Samir Sinha, who was not involved in the research, said B12 shots can't provide "a big boost." "Getting B12 shouldn't instantly make you feel great or more powerful," he said
For example, dogs who cannot absorb Vitamin B12 in their intestines do not respond to oral vitamin B12 supplementation
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