Immune system is aided by red grapes, blueberries, both of which increase Vitamin D receptor – 2013

Red grapes, blueberries may enhance immune function Science Daily

• “Both of these compounds (resveratrol and pterostilbene), which are called stilbenoids, worked in synergy with vitamin D and had a significant impact in raising the expression of the human cathelicidin antimicrobial peptide, or CAMP gene, that is involved in immune function.”

• It is well known that more vitamin D getting to cells increases the immune system.

• “Stilbenoids are compounds produced by plants to fight infections, and in human biology appear to affect some of the signaling pathways that allow vitamin D to do its job, researchers said. It appears that combining these compounds with vitamin D has considerably more biological impact than any of them would separately”

  • Note: there is some indication that applying pesticides to grapes/blueberries reduces the amount of stilbenoids which they produce – the plants no longer need them. For that reason I try to only use organic grapes and blueberries.

Synergistic induction of human cathelicidin antimicrobial peptide gene expression by vitamin D and stilbenoids (original study)

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See also VitaminDWiki

• Decrease of Alzheimer’s biomarker halted by Resveratrol (perhaps due to vitamin D) – RCT Sept 2015

• Resveratol helps vitamin D bind to cells

• Immune system improvement by vitamin D is boosted by resveratrol and blueberries – Sept 2013

• Resveratrol improves health (Vitamin D receptor, etc.) - many studies

• Resveratrol gets vitamin D to cells even if poor vitamin D receptor

• Note: Resveratrol helps vitamin D get to cells - in a way which is not measured by Vitamin D tests

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