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Genetics G6PD deficiency is transmitted in x-linked disorder pattern
I also struggle with vitamin D levels and supplement at least 2000 iu daily + sun in summer to get my levels up
Tablets and capsules tend to have a longer shelf life compared to liquid vitamins or gummy supplements
Dietary vitamin A or retinol is converted to retinaldehyde by ubiquitous alcohol dehydrogenases and then irreversibly acted on by cell-specific retinaldehyde dehydrogenases to generate its active metabolite, retinoic acid (RA), which binds to the RAR and RXR nuclear receptor families and function as transcription factors (11)
The scientific question is whether these claims are supported by human outcomes, not just by theory, animal research, or peptide-market positioning
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