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Such vials are common because theyre cheap, but try to use single-use B12 ampules or tightly sealed B12 vials
Instead, I ended up barely able to walk to my kitchen in the morning without wincing
For high doses, you want a higher concentration so the dose still fits inside a single U-100 syringe
Oral B12 supplements have to pass through the gut, and absorption can be limited especially if you have digestive issues, take certain medications like metformin or antacids, or simply have low stomach acid
Dolor al respirar
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