Can rooibos tea raise blood pressure?
The best cardiovascular benefit is rooibos tea’s ability to reduce blood pressure. Angiotensin converting enzymes (ACE) and nitric oxide were reduced 30 to 60 minutes after drinking rooibos tea, in a study performed by Persson et al 3. ACE controls blood pressure by regulating the volume of fluids in the body. Rooibos herbal tea, a potent antioxidant, offers significant neuroprotective benefits by mitigating OS, enhancing antioxidant enzyme activity, and restoring redox balance. In vitro studies have shown that green Rooibos extract reduces intracellular OS in Neuro‐2a cells.A research team at the University’s biochemistry department, led by Professor Amanda Swart, has produced scientific evidence that Rooibos tea lowers the production of cortisol by the human body’s adrenal glands. Cortisol is the so-called ‘stress hormone’.High blood pressure (or hypertension) is a common symptom of stress. Rooibos tea has been found to act as a ‘bronchodilator’, which can reduce blood pressure and ease respiratory problems. Sink into a chair with a cup and relax.Detoxifying with rooibos is a healthy way to consume more antioxidants and daily water intake without compromising with sugary energy drinks or tasteless healthy alternatives. The benefits of rooibos tea don’t stop there! This deliciously aromatic tea also helps with blood pressure, circulation, and cholesterol.
Who should avoid rooibos tea?
However, studies have shown that consuming rooibos tea may lead to liver toxicity in very rare cases. If you have a health condition that affects your liver, such as hepatitis, consider avoiding this beverage. A healthcare professional can help you determine if it is safe for you to consume. However, excessive consumption can lead to side effects such as anxiety, insomnia, heart palpitations, and headaches. Rooibos tea is caffeine-free, making it a healthier alternative to black or green tea.Types of Rooibos tea Rich in antioxidants and caffeine free, our loose-leaf Organic Rooibos is robust yet soothing, making it equally ideal as either a breakfast or a bedtime brew.Rooibos tea and sleep Consuming rooibos before bedtime can help increase the body’s natural levels of calcium, and help you produce more melatonin for a deeper sleep. Magnesium deficiencies have also been shown to inhibit sleep, as magnesium has a gently sedating effect on the nervous system.Rooibos can keep stress and anxiety at bay as the tea polyphenols aspalathin and nothofagin interfere with the production of cortisol. These two compounds were tested in a lab on adrenal cells that were stimulated to mimic a stress response like that which occurs in humans.
Is rooibos tea good for rheumatoid arthritis?
Black, Green, White, Ginger, Rooibos and Oolong teas are stuffed full with polyphenols, plant-derived compounds that improve the immune system and may protect against certain diseases, especially arthritis, by blocking inflammatory chemicals in your body. Rooibos is good for the kidneys and digestion Organic rooibos tea does not contain oxalic acid. This acid can cause kidney stones. Oxalic acid can be found in various tea leaves, so people with a greater risk of kidney stones are advised to reduce their daily tea consumption.Rooibos tea contains vital minerals including calcium, iron, magnesium, zinc and alpha hydroxyl acid. As with most true teas and herbal teas, it also contains high levels of vitamin C along with powerful antioxidants such as aspalathin that offer extensive health benefits.
Is rooibos tea safe during pregnancy?
Rooibos is a healthy and delicious choice for expecting mothers because it is caffeine-free and jam-packed with antioxidants. These antioxidants can help protect against cell damage, keeping you and your baby healthy throughout the pregnancy. Rat studies suggest that prolonged exposure to rooibos may affect the reproductive system, impair fertility, or affect liver and kidney function (25). In humans, a few cases of liver toxicity with long-term use or ingesting large amounts have been reported.The side effects consuming too much of rooibos include the following: Contains minimal amounts of phytoestrogens which are hormones that mimic the female hormone estrogen and can increase estrogen levels and worsen the condition of anyone currently battling breast cancer.In both healthy and at-risk individuals, rooibos has been shown to enhance lipid profiles, boost antioxidant status, and lower blood glucose levels.
Who should avoid rooibos?
Liver toxicity is one of the most concerning side effects of rooibos tea. In some cases, Rooibos tea may exacerbate liver inflammation, leading to hepatotoxicity and liver failure. Individuals with pre-existing liver conditions should exercise caution when consuming Rooibos tea. Livery biopsy confirmed a toxin-mediated liver injury. The patient recovered liver function after stopping the herbal tea. Although hepatotoxicity associated with rooibos and buchu has rarely been reported, anecdotal correspondence with South African physicians confirmed suspected cases.