The evidence is convergent. Multiple independent sources reach the same conclusion, the underlying mechanism is well-characterized, and even the field's most cautious voices treat it as worth doing.
people think of vitamin a for instance as being kind of colorful orange vegetables but that's a bit of carotene which much must be converted and some people are genetically very poor converters of this and so you will not get a lot of the active form of vitamin a from your colorful um your orange or um kind of red vegetables
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but that's a bit of carotene which much must be converted and some people are genetically very poor converters of this and so you will not get a lot of the active form of vitamin a from your colorful um your orange or um kind of red vegetables
the studies estimate about 30 to 40 percent something like that of people really can't convert beta-carotene in any meaningful amount
you wanted to get your vitamin a quote from plants if you were part of the 60 to 70 percent of the population that could actually convert beta-carotene to bioavailable vitamin a
the reason why pre-formed vitamin a is is so important for at least some people is they lack um kind of enzymatic efficiency to convert beta-carotene into retinol which is the active form
And I saw that for vitamin A, which, as you mentioned, beta carotene is a carotenoid that can be converted into vitamin A, that, you know, the vitamin A source was beta carotene. And I thought, you know, well, a good percentage of the population has a gene polymorphism that doesn't allow them to convert beta carotene into retinol, into the vitamin A.