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Vitamin B12 deficiency is primarily caused by autoimmune pernicious anemia, dietary restrictions such as vegetarian or vegan diets, and medical conditions that interfere with absorption such as celiac and Crohns disease
The most common pairing is with TB-500
It doesn't block DHT, affect testosterone levels, or alter hormone balance
Vitamin B12, Proceedings of the Third European Symposium on Vitamin B12 and Intrinsic Factor
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