We don’t know the scientific evidence for what might be beneficial for the kidneys, but several studies have tested the effects of saffron on a range of physiological parameters in healthy individuals.1–8
Here are a few examples of what we know of the effect of saffron on the kidneys.
Saffron has powerful anti-inflammatory properties: Researchers from New Mexico State University, in Albuquerque, NM reported that saffron oil can promote wound healing and the repair of wounds, and is especially effective at reducing inflammation of tissue.9–11 Another study conducted by Dr. Dabholkar, MD, from the Department of Medicine, Ghent University in Belgium, showed that saffron may induce vasodilation, an essential component for wound healing.12 This vasodilation may prevent the loss of oxygen, which may be an effect of blood clots and heart irregularities.
Saffron may reduce the pain and bloating of pregnant women: One study reported that saffron oil could reduce symptoms of pregnancy-induced nausea, vomiting, and abdominal bloating for both women and dogs in vitro and in human volunteers.13 Another study showed that saffron oil may reduce symptoms of constipation in pregnant women, possibly due to its anti-emetic action.14 In a study of children and adolescents, a saffron-containing tea was used to treat abdominal pain and bloating.15
Saffron may slow the aging process: One study of healthy rats reported that saffron oil slowed the rate of accumulation of DNA damage in the hearts of mice.16 Another study showed that mice fed an antioxidant-rich diet (including saffron oil) had markedly accelerated aging.17 The results from these studies suggest that saffron may slow the aging process by reducing the amount of DNA damage.
Other scientific evidence that saffron has beneficial effects on the kidneys: Studies in animals have shown that saffron could suppress the growth of tumors and help maintain healthy blood cells.18 The saffron oil from flowers also has antimicrobial properties,18 which could prevent infection. Studies by Dr. Tishkoff found that saffron oil from flowers could reduce the risk of urinary tract infections, which was thought to be the result of the antibacterial activity of the saffron plant.19
Studies on other animals have also shown benefits from saffron oil. A recent study of rats found that saffron contained potent antioxidant properties in its oil.
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