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Talk to your doctor if you experience any of the following symptoms: Numbness or tingling in your hands, legs, or feet Difficultly walking or balancing Weakness Difficulty thinking and memory loss Swollen tongue Jaundice (a yellow tinge to your skin) If spotted early, vitamin B12 deficiency is relatively easy to correct with the right nutrition and supplement regimen, so be sure you know your levels of this nutrient if you want to maintain optimal athletic performance
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Vitamin B-12 injections may be necessary if you have severe neurological symptoms due to a B-12 deficiency (Kolber, Can Fam Physician 2014
Brejchova, K
Cyanocobalamin, on the other hand, has been shown to not be converted into active B12 as efficiently, even though it remains to this day the most popular form of B12 available on the market
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