doctor refusing to give vitamin b12 injection Doctors won't help me. : r/B12_Deficiency Vitamin B12 Injections & Lipotropic
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doi: 10.1038/sj.ijo.0803344

Heres where Folic acid helps

Most commercial products target the 0.5 to 1 percent range

The most common side effects are transient flushing and mild nausea, occurring in 1525% of users during the first 710 days
