Can intense workouts and low calorie diet cause low b12?

Question

I started getting sick after  I started doing HIIT and cutting calories for about 6 months and now my b12 is low. Could it be from that combo alone and no other underlying health issues like absorption? I had a ton of digestive system tests at the doctor and they didnt find anything, not even GERD

Answer

B12 deficiency is probably due to your calorie cutting. It depends how and what you're cutting out. Do you eat meat? Are you on supplements?

Answer

I don’t do either of those things and have low B12 due to malabsorption from my IBD 😅 As well as vitamin D

Can intense workouts and low calorie diet cause low b12?

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