Use with care.īipolar disorder : Too much caffeine might make this condition Caffeine can cause sleep disturbances, irritability, and increased bowel activity in breast-fed infants.Īnxiety disorders : Caffeine might make these conditions worse. Caffeine passes into breast milk, so nursing mothers shouldĬlosely monitor caffeine intake to make sure it is on the low side.Ĭaffeine in large amounts is POSSIBLY UNSAFE during breast-feeding. Consuming larger amountsĭuring pregnancy might increase the chance of miscarriage and other This is about the amount in 1-2 cups of coffee. Pregnant or breast-feeding women in daily amounts of less than 200 mg. Special Precautions & Warnings: Pregnancy and breast-feeding: Caffeine is POSSIBLY SAFE in Large doses may be UNSAFE and can cause irregular heartbeats and even death.

Larger doses might cause headache, anxiety,Īgitation, chest pain, and ringing in the ears. CaffeineĬan make sleep disorders in patients with acquired immunodeficiency Increased heart rate and respiration, and other side effects.

Nervousness and restlessness, stomach irritation, nausea and vomiting, The body should use caffeine with caution.įor most adults when used appropriately. Women who have a genetic problem that affects how vitamin D is used by Supplements may also help to offset these calcium losses. To minimize this problem,ĭon’t use more than 300 mg of caffeine per day. This calcium loss might help to weaken bones. Osteoporosis : The caffeine in guarana can flush calcium out of the body through the kidneys. Increase occurs within 30 minutes and lasts for at least 90 minutes The caffeine in guarana increases the pressure inside the eye. In people who are regular coffee-drinkers or otherwise use caffeine on a Taking guarana might raise blood pressure in people with high blood Heart disease : The caffeine in guarana might cause irregular heartbeat in certain people. Taken in large amounts, can worsen diarrhea and might worsen symptoms of IBS. The caffeine in guarana, especially when taken in large amounts, can worsen diarrhea. Healthcare provider before starting guarana.ĭiarrhea. However, the downside is that caffeine might actually increase the This might increase theĪbility of diabetic patients to detect and treat low blood sugar. When they start in the absence of caffeine, but as low blood sugarĬontinues, symptoms are greater with caffeine. Some studies show that the symptoms of low blood sugar are more intense There is also some interesting research that suggestsĬaffeine may enhance the warning symptoms of low blood sugar in patients with type 1 diabetes. People with diabetes process sugar (glucose) and may complicate blood Some research suggests that the caffeine in guarana may affect the way If you have aīleeding disorder, check with your healthcare provider before starting Worse, although this hasn’t been reported in people. Suggesting that the caffeine in guarana might make bleeding disorders Increased risk of miscarriage and other negative effects.Īnxiety : The caffeine in guarana might make feelings of anxiety worse.īleeding disorders : There is some evidence from animal research Harmful however, consuming more than 200 mg/day has been linked to an If you are pregnant or breast-feeding, guarana should be taken withĬaution due to the caffeine content. Special Precautions & Warnings: Pregnancy and breast-feeding: People who take guarana regularly mayĮxperience caffeine withdrawal symptoms if they reduce their usual Large guarana dosesĪgitation, ringing in the ears, pain when urinating, stomach cramps,Īnd irregular heartbeats. Tremors, delirium, diuresis, and other side effects.

Vomiting, increased heart rate and blood pressure, rapid breathing, At typical doses, the caffeine in guarana can cause insomnia, nervousness and restlessness, stomach irritation, nausea, Sensitivity or smoking behavior, age, and prior caffeine use. However, serious poisoning can occur at doses lower thanġ50-200 mg per kilogram depending on an individual’s caffeine This is quite a high dose.Ĭonsider that one cup of brewed coffee provides from 95-200 mg ofĬaffeine. “typical” man weighs about 70 kilograms, so a lethal dose of caffeineįor this man would be 10,500-14,000 mg). The fatal dose ofĬaffeine is estimated to be 10-14 grams (150-200 mg per kilogram the But it is LIKELY UNSAFE and even deadly, due to its caffeineĬontent, when taken in high doses or long-term. Guarana Side Effects & Safety Guarana is LIKELY SAFE for most adults when used in typical food amounts or in medicinal amounts short-term. This product is not intended to diagnose, treat, cure or prevent any disease. *These statements have not been evaluated by the Food and Drug Administration.

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