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Side Effects of Spearole Tea

author image Linda Tarr Kent
Linda Tarr Kent is a reporter and editor with more than 20 years experience at Gannett Company Inc., The McClatchy Company, Sound Publishing Inc., Mach Publishing, MomFit The Movement and other companies. Her area of expertise is health and fitness. She is a Bosu fitness and stand-up paddle surfing instructor. Kent holds a bachelor's degree in journalism from Washington State University.
Side Effects of Spearole Tea
A glass teapot with Spearole tea on a wooden counter with speamint leaves in the pot, cup and on the table. Photo Credit: GreenArtPhotography/iStock/Getty Images

Green tea and green tea blends such as Spearole Tea are touted as weight-loss aids that also have other purported health benefits such as lowering blood pressure. While teas have been consumed for centuries, some of them can have side effects. Always consult your doctor before trying a new herbal blend – even if it is a tea – especially if you have a health condition or take medication.

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Spearole Tea is a blend of a blend of green tea, olive leaf, grape seed and spearmint. This tea is manufactured by Dr Red Nutraceuticals and sold as a weight-loss aid that’s also purported to help lower blood pressure. In theory, it helps you lose weight by discouraging your fat cells from releasing chemicals that are inflammatory. Such chemicals are theorized to attract more fat, leading to bigger fat cells. Green tea also may help reduce appetite. The effectiveness of this tea was tested on rats, so benefits to humans are still theoretical, according to a November 2008 report in the United Kingdom’s "Daily Mail." Each of the ingredients in Spearole Tea has potential side effects.

Green Tea

You should avoid green tea if you have a stomach ulcer, a kidney disorder, a psychological disorder such as anxiety, or a heart problem, because it may worsen your condition. The caffeine in green tea may cause insomnia, heart palpitations, dizziness and irritability. Talk to a doctor before combining green tea with certain medications because it can interact with them. These include adenosine, beta-blockers like propranolol and metoprolol, beta-lactam antibiotics, benzodiazepines, antipsychotic medication clozapine, ephedrine, lithium, monoamine oxidase inhibitors, chemotherapy medications, blood-thinning medicines, oral contraceptives and phenylpropanolamine.

Grape Seed

If you take anticoagulants, or blood thinners, consult a doctor before also taking grape seed extract because it may magnify effects and raise risk for bleeding or bruising. Combining it with other supplements that also have anticoagulant effects, such as white willow, horse chestnut, garlic and ginkgo biloba, can raise this risk further. If you are pregnant or nursing, consult a doctor before using grape seed extract.

Olive Leaf

Olive leaf can raise your risk for hypoglycemia, or low blood sugar, if you take it with some diabetes medications such as acarbose, glipizide, insulin and tolazamide. It can carry the same risk when used in conjunction with other supplements that also lower blood sugar, such as chromium, alpha-lipoic acid and Panax ginseng. Olive leaf also may lower your blood-calcium levels and your blood pressure.


If you suffer from acid reflux, spearmint can worsen your condition. That’s because spearmint can relax your lower esophageal sphincter, which usually serves the barrier for reflux of your gastric contents. Spearmint also can cause gastrointestinal complaints such as diarrhea and inflammation of the mucous linings in your mouth.

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