Hacker News Reader

It's certainly worth checking B12 levels properly. It's quite hard to be B12 deficient and a common reason to be so is due to being unable to absorb it properly in the digestive system (I think this is quite common with celiac disease, for example). That's why injections are a common approach. I went with sublingual administration instead and it worked very well.

View on HN

For individuals with certain auto-immune diseases (like rheumatoid arthritis), the medication they're on can also interfere with b12 absorption - such as methotrexate. This is a possible consequence of what you mention regarding absorption digestively. Injections are a solution but are not always accessible in every country - in the UK they are extremely hesitant to permit b12 injections, for whatever reason.

If you're willing to pay for yourself, you can look at e.g. Get A Drip. Or marry a nurse who can do it for you. ;)

I had folate anemia and the injection sorted me right out. Supplements didn't help particularly, perhaps because the root cause is poor absorption from EDS.

Reply on news.ycombinator.com