5-MTHF + B12
Fixes a shortfall. Little proof beyond that.
Grade B: Some human proof
Small, early or mixed results in people.
The grade is for the use people talk about, not for every use. Filed under: Health and wellness, over the counter.
How it works
The active forms of folate and vitamin B12, used to make DNA and red blood cells.
How it was given in studies
By mouth. In the trials people swallowed it as a capsule, tablet, powder or drink.
This is what the studies did. It is not a how-to.
What studies saw
Reliably corrects low folate or B12. Little proof of benefit when levels are already normal.
The trade-off
High folate can fix the anemia of a B12 shortfall while nerve damage continues. That is one reason the two are paired.
When it showed up, in studies
Low folate or B12 corrects over weeks to months.
Sources
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Keep going
We show what studies found. We never tell you what to take. Doses vary by study. Check the sources and talk to a doctor.