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Man-Made Form : Vitamin B12 injections are a man-made form of the vitamin
Had the product for a couple of weeks now Very happy with this product Easy to use and as advertised
Some common side effects of Vitamin B12 include headache, nausea, anxiety, nervousness, diarrhea, swelling, infection, severe itching of skin, loss of coordination and balance
see Table 1) ( While European guidelines recommend up to 4 g/day for adults, most of the included studies administered pharmacological doses ranging from hundreds to thousands of micrograms
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