Vitamin B12 shots may not be suitable for people with a history of: sensitivity to vitamin B12 Lebers disease, which affects the optic nerve kidney problems hypokalemia, or low potassium levels deficiencies in other nutrients, particularly folic acid and iron Vitamin B12 injections provide the individual with a synthetic version of vitamin B12
The market is unfortunately filled with suppliers offering products with questionable purity levels
Using a syringe calibrated in units, doses can be measured precisely, especially with proper technique
Finally, one very recent study in the USA has demonstrated that in some individuals with neurological symptoms, the presence in the blood of antibodies against this receptor may interfere with the proper uptake of B12 into the brain
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This model gives you the best of both worlds: speed and proper medical supervision