Hawthorn is used for diseases of the heart and blood vessels such as congestive heart failure (CHF), chest pain, and irregular heartbeat. It is also used to treat both low blood pressure and high blood pressure, “hardening of the arteries” (atherosclerosis), and high cholesterol.Click to see full answer. Beside this, what are the benefits of Hawthorn tea? Here are 9 impressive health benefits of hawthorn berry. Loaded with antioxidants. May have anti-inflammatory properties. May lower blood pressure. May decrease blood fats. Used to aid digestion. Helps prevent hair loss. May reduce anxiety. Used to treat heart failure. Also, what are the side effects of drinking hibiscus tea? Side effects of hibiscus are uncommon but might include temporary stomach upset or pain, gas, constipation, nausea, painful urination, headache, ringing in the ears, or shakiness. Diabetes: Hibiscus might decrease blood sugar levels. Moreover, what is hibiscus tea good for? Historically, hibiscus tea has been used in African countries to decrease body temperature, treat heart disease, and sooth a sore throat. In Iran, hibiscus tea is used to treat high blood pressure. Recent studies have looked at the possible role of hibiscus in the treatment of high blood pressure and high cholesterol.Is it safe to drink hibiscus tea everyday?Drinking hibiscus tea in moderation is generally considered safe. However, other products containing hibiscus are not regulated and may or may not contain what they claim. These include: supplements.