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Once armed with the test results, a healthcare provider can interpret the data and chart a path forward
Those with Lebers disease (a hereditary eye condition) should also avoid B12 as it may worsen the condition
Youve identified the core issues with remarkable clarity
The Mayo Clinic notes that even at therapeutic mega-doses, side effects are uncommon and mild: headache, nausea, diarrhea, fatigue, and a tingling sensation in extremities
Order online and self-inject In the US, new regulations by the FDA and state boards of pharmacy have made it much more difficult to sell B12 shots online
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