I also can't absorb
the cyanocobalamin form of B12 and must use the methylcobalamin form.
I can't absorb
the cyanocobalamin form of B12 and must use the methylcobalamin form.
Avoid
Cyanocobalamin form of B12 as its bioavailability is very poor.
Not exact matches
When looking for B12 supplements in the store, be sure to look for it in the
form of methylcobalamin instead of
cyanocobalamin.
B12 has many
forms, and the most common are
cyanocobalamin and methylcobalamin (methyl - B12).
Cyanocobalamin is a
form of Vitamin B12, dangerous ey?
* (8) In some people the liver may not convert
cyanocobalamin, the common supplemental
form of B - 12, into adequate amounts of methylcobalamin needed for proper neuronal functioning.
The more bioavailable
form of B12 supplementation is methyl B12, or methylcobalamin, as opposed to the more common, synthetic
cyanocobalamin.
It's especially critical for vitamin B12 that you buy the most efficient methylcobalamin
form rather than
cyanocobalamin.
Look for one that provides 6 — 10mcg of methylcobalamin (a
form of B12), as opposed to
cyanocobalamin, which is absorbed more readily
Also, it was my understanding that
cyanocobalamin is not the human - active
form and depletes the body of crucial methyl groups when being converted to methylcobalamin, the primary human - active
form.
Note that these doses are specific to
cyanocobalamin, the preferred supplemental
form of vitamin B12, as there is insufficient evidence to support the efficacy of the other
forms, like methylcobalamin.
B12 might also be high due to an active MTHFR mutation along with an active COMT mutation, so patients tend to avoid the synthetic supplemental version of B12 called
cyanocobalamin and instead favor the methylcobalamin (methylB12) or adenosylcobalamin (also the active
form, but used by your mitochondria), but they will need adequate folate supplementation.
The more common
form called
cyanocobalamin has to be activated by the body before it can help with homocysteine metabolism making it less effective.
Heads up... Rainbow light uses
Cyanocobalamin and not great
forms of B6 and Folate... The «whole food» source can be appealing, I completely understand that.
Vitamin B12 must be taken in the
form sublingual methylcobalamin (not
cyanocobalamin): 1000 - 2000mcg under the tongue a day only with breakfast.