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This can impact the absorption of vitamin B12, which requires stomach acid and intrinsic factor for proper uptake
Is The B12 Causing The Reactions
The NIH notes that vitamin B12 deficiency can cause fatigue, anemia, and neurological changes such as numbness or tingling, which is why visit context matters more than simply ordering a wellness shot online
Blood work can help clarify vitamin levels or other possible causes of persistent fatigue
However, research supporting their efficacy is limited, and they are generally not recommended for those with severe deficiencies
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