500 mcg to mg
Sale Price:$333.00
Original Price:$999.00
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In a 2013 study in 100 older adults, supplementing with 500 mcg of vitamin B12 for 8 weeks was found to normalize B12 levels in 90% of participants. Higher doses of up to 1,000 mcg, or 1 milligram ... 500 error laravel
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