she must work for the Danish beer industry then
"It's also important to note that the participants took a supplement, and the amount of resveratrol they took was much higher than what would be consumed under normal dietary practices. The Harvard Medical School recommends getting a much lower resveratrol dose from natural sources like red grapes, blueberries, pistachios or red wine. Furthermore, experts warn the supplements don't always contain the amount of resveratrol they say they do. "
Red wine contains at most 12.59 mg resveratrol per liter, so to get 500 mg daily, you'd need to drink almost 40 liters of wine daily. A 40 mg daily dose of resveratrol may also have some benefits, showed a study published in the "Journal of Clinical Endocrinology and Metabolism" in June 2010. Even if a 40 mg daily dose is sufficient, you'd still need to drink a little over 3 liters of wine daily to get that much resveratrol.
Safe Amounts of Wine
Drinking any alcohol in moderation may have some health benefits, including a 20 to 30 percent lower risk of coronary artery disease, note experts from Oregon State University
https://www.livestrong.com/article/4...h-resveratrol/