tired after b12 injection reddit Possible allergic reaction to injections?? : r/B12_Deficiency B12 deficiency - self treatment

Also, consider the type of supplement youre using

[4] Clinical assessment should focus on identifying the cause of elevated levels rather than assuming toxicity from supplementation alone

Copper itself is a comparatively weak skin sensitizer a 2014 review (PMID 25098945) reported positive copper patch-test reactions in roughly 3.8% of tested subjects so contact allergy is possible but uncommon

The color coding system makes it much harder to accidentally inject the wrong dose, which is especially important for people titrating up through the dose schedule

For vegans, they should look to the following food sources: Yeast extract (for example Marmite) Soya milk, yoghurts and desserts Breakfast cereals Certain brands of rice drinks and oat drinks Vitamin B12 deficiency treatment If you consume very little vitamin B12 foods you may be advised by your GP to take a vitamin B12 supplement or to have vitamin B12 injections