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.
every unit of beta-carotene must be converted to retinol vitamin A and that generally conversion rates are one to twenty one for that conversion meaning that we need 21 units of by2 carotene to make one unit of retinol vitamin A
Every Sunday: the week’s new conflicts and verdict changes — and nothing else.
Native comments, Twitter mentions, and Reddit threads about this claim — surfaced together so the conversation isn't fragmented across platforms.
Bookmarking — the dossier-vs-overview split is the right call. Most of the time I want overview; sometimes I want receipts.
Would love a "what would change this verdict" RSS feed. Sign me up if it exists.
every unit of beta-carotene must be converted to retinol vitamin A and that generally conversion rates are one to twenty one for that conversion meaning that we need 21 units of by2 carotene to make one unit of retinol vitamin A
so like nineteen thousand units of red of beta carotene is equal to one bioactive unit of retinoic acid
it's 12 beta carotene to become one retinol