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Hyperhomocysteinemia and Alzheimer's disease: A systematic review
Seek immediate medical attention for signs of a severe allergic reaction including hives, swelling of the face, lips, tongue, or throat, difficulty breathing, or chest tightness
Excessive doses can leads to potential risks such as inhibition of breast milk production
A 2019 study found sublingual B12 supplements (aka the kind you put under your tongue) were even more effective than B12 shots
If a rash, hives, swelling, or trouble breathing shows up, stop use immediately and seek medical care
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