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Caloric restriction (CR) and resveratrol (Rsv) benefit vascular health, yet their impact on CBF and CVR in AD remains unclear. Here, we investigated the cerebrovascular effects of 40% CR or Rsv supplementation in WT and TgF344-AD rats. Using pseudo-continuous arterial spin labelling (pCASL) MRI, we observed that male Tg control (Ctrl) rats exhibited reduced relative CBF (rCBF) and absolute CBF (aCBF) in the caudate-putamen at baseline compared to WT Ctrl and Tg Rsv rats, while Rsv restored CBF to WT levels. Male Rsv rats also showed higher rCBF than CR rats in the somatosensory cortex, irrespective of genotype. In the cingulate cortex, male Tg rats had lower rCBF than WT, irrespective of treatment. During hypercapnia, Tg males displayed lower rCBF and aCBF across multiple regions, while Rsv increased rCBF in cingulate cortex and somatosensory cortex, regardless of genotype. In females, treatments did not affect baseline or hypercapnic CBF, although CR and Rsv reduced CVR compared to Ctrl. 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