Check out this answer from Consensus:
The consumption of grapes and grape-derived products offers multiple health benefits. These include improved bone health through better calcium retention and bone quality, enhanced cardiovascular health via improved antioxidant status and lipid profiles, and better cognitive function in older adults. Incorporating grapes into the diet may thus contribute to overall health and well-being.
Grapes, rich in polyphenols and other phytochemicals, have been extensively studied for their potential health benefits. Research has explored their effects on cardiovascular health, cancer prevention, bone health, and cognitive function. This article synthesizes findings from multiple studies to present a comprehensive overview of the health benefits associated with grape consumption.
Bone Health
- Improved Calcium Retention and Bone Quality: A grape-enriched diet significantly increased net bone calcium retention by 44% and improved cortical bone properties, such as cortical thickness and breaking strength, in ovariectomized rats. This suggests that grape consumption may enhance calcium utilization and suppress bone turnover, leading to better bone quality1.
Cardiovascular Health
- Enhanced Antioxidant Status and Lipid Profile: Whole grape extract (WGE) supplementation in pre-hypertensive, overweight, and/or pre-diabetic subjects resulted in significantly lower superoxide dismutase concentrations and total cholesterol/HDL-C ratios, along with higher HDL-C levels. Additionally, WGE reduced the concentration of 8-isoprostane and oxidized LDL, indicating improved antioxidant status and lipid profile2.
Cognitive Function
- Improved Neurocognitive Function: Concord grape juice supplementation in older adults with mild cognitive impairment led to reduced semantic interference on memory tasks and greater brain activation in specific regions. This indicates that grape juice can enhance neurocognitive function in aging individuals3.