is glutathione safe to take orally Clinical Glutathione™ IV vs Oral vs Suppository
Description
When your B12 levels are low, you may start noticing symptoms like fatigue, weakness, poor memory, and mood changes
2021;9 doi: 10.1136/bmjdrc-2021-002480
Transaminases may only be slightly elevated, and alkaline phosphatase may even be low (28, 29)
That easy
Vitamin B12 is usually safe, but high doses can cause serious health problems
