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Folic acid in very high doses can hide ongoing B12 deficiency
The vitamin has low toxicity, so supplementation carries minimal risk, but also likely provides no benefit if stores are adequate
Can vitamin B12 injections help treat other medical conditions
If you experience the below problems in the long term, consider taking vitamin injections
2025 Advancements and Innovations Dosage Optimization: A 2025 Nutrients study (n=2,000) refined therapeutic doses, recommending 1,000 mcg IM weekly for 8 weeks, then monthly, achieving 85-90% deficiency correction vs
Metabolic Syndrome & Diabetes Research Studies demonstrate improved glucose tolerance, enhanced insulin sensitivity, and reduced fasting glucose/insulin levels across multiple obesity models
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