symptoms worse after b12 injections Why do I feel a injection? Darryl - By now you

While oral supplements are available, B12 injections offer better absorption, especially for those with gastrointestinal issues or poor nutrient absorption

Had my last loading jab yesterday and feeling terrible

With the needle still in, turn the vial upside down and pull the plunger back to fill the syringe with your B12 dose

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Vitamin B12 injection effects can include: Soreness or slight bruising where the needle goes in A warm feeling right after the injection Mild headache in some people, which usually passes quickly Rare allergic reactions, which is why a health check happens first Vitamin B12 injection painful is a common worry, but most people describe it as a quick pinch rather than anything severe

The evidence is unclear or shows little to no benefit from using B12 supplementation, but more research is needed in these areas