This includes confirmed low serum vitamin B12 levels, pernicious anaemia, malabsorption states such as coeliac disease, inflammatory bowel disease, or post-gastric or bariatric surgery, unexplained anaemia, neuropathy or neurological symptoms consistent with vitamin B12 deficiency, a long-term vegan diet with symptoms or low levels, or failure of oral vitamin B12 supplementation
Feeling winded after light activity can be related to the anemia a B12 deficiency can cause
Shop Performance Lab NutriGenesis Final Thoughts If injections aren't your thing, but you think you may be at risk of a B12 deficiency, taking a supplement is a good place to start
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Which Athletes Should Consider B12 Injections at Medical Spas Not every athlete needs B12 injections, despite their popularity