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High doses of B12, often used to treat deficiencies, may cause side effects such as headaches, nausea, diarrhea, fatigue or weakness, and tingling in the hands and feet
Many people carry complete deletions of GSTM1 or GSTT1, meaning they make no functional enzyme from that gene
Step 2 Get Cleared ood Faith Exam (~5 min for new clients)
OTC B12 Supplement Options: 500 mcg tablets 1,000 mcg capsules 2,000 mcg sublingual drops Bioavailability Differences The way your body absorbs vitamin B12 varies between injections and oral supplements
The injection safety guide covers sterile technique principles applicable to topical preparation as well
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