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Liu J, et al
When to Consider Vitamin B12 Injections If You Have a Deficiency : People who have been diagnosed with a vitamin B12 deficiency, especially those with underlying health conditions that affect absorption, may benefit from the rapid absorption and higher bioavailability offered by injections
The resulting elevated concentrations of homocysteine and MMA are often found in patients with low serum vitamin B 12 and can usually be lowered with successful vitamin B 12 replacement therapy
Individual experiences vary based on hydration, nutrition, sun exposure and general skincare habits
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