Many people notice better energy or mental clarity within a few days, while others see a steadier change over 12 weeks
[6] [3] [10] A mild deficiency may not cause any discernible symptoms, but moderate deficiency can cause various symptoms, such as feeling tired, lightheadedness, headaches, cold intolerance, pale skin, sore tongue, upset stomach, loss of appetite, hair and skin color changes, numbness or tingling (pins and needles) of the fingers and toes, and tinnitus, and vision, cognitive or psychological problems
Patients should be offered this alternative after an informed discussion on the advantages and disadvantages of both treatment options. oral vitamin B12 is an effective alternative to vitamin B12 IM injections Cochrane Review
If you experience any of these symptoms, seek medical attention immediately
STEP 2 Once a week: $12 Feel the Results Start noticing the benefits and return for your next dose whenever you're ready
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