pills vs injections b12 Efficacy of sublingual and oral vitamin versus intramuscular administration: insights from a systematic review and meta-analysis Are Vitamin B12 Shots Right
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And this deficiency could cause memory or thinking and nerve damage

Breastfeeding Methylcobalamin passes into breast milk in small amounts

Injections can also cause firmness under the skin due to lipohypertrophy, allergic reactions, and infections

If you happen to delve into the research on B12 deficiency, be sure youre looking closely at how the study defined deficiency, insufficiency, and normal levels

According to Bupa, when low B12 starts impacting the nerves, it can cause confusion, depression, poor concentration and forgetfulness symptoms that can "mimic dementia"

You can go about your day normally
