joint pain after b12 injection Why do I feel worse a injection? If you have a low
Description
"How Nature builds the pigments of life" (PDF)
There are quite a few people who just are not able to get enough vitamin B12 without receiving it through regular injections for a multitude of reasons, most often including dietary restrictions or medical conditions

Though not yet proven, limited evidence suggests an increased cancer risk in those with higher-than-normal B12 levels
Dietary deficiency: Vegans (strict vegetarians who do not eat any meat, fish, egg, or dairy products) can develop vitamin B 12 deficiency because they lack vitamin B 12 in their diets
