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The European Food Safety Authority reported that up to 400 mg of caffeine per day (around 5.7 mg/kg of body mass per day) does not raise safety concerns for non-pregnant adults, while intakes up to 200 mg per day for pregnant and lactating women do not raise safety concerns for the fetus or the breast-fed infants. [32]
The FDA’s recommendations regarding daily caffeine consumption for adults are uncomfortably noncommittal. Their 2023 report states that 400 milligrams a day is “an amount not generally ...
8-ounce cup of drip coffee. 95–200 milligrams (robusta coffee beans contain about twice as much caffeine as arabica). 1-ounce espresso shot. 60–65 milligrams. 12-ounce can of Coke. 34 milligrams
For instance, if the ADI is based on data from humans the safety factor is usually 10 instead of 100. The ADI is usually given in mg per kg body weight. [5] The ADI is considered a safe intake level for a healthy adult of normal weight who consumes an average daily amount of the substance in question.
This has been confirmed by a panel of the European Food Safety Authority (EFSA), which also concludes that a caffeine intake of up to 400 mg per day does not raise safety concerns for adults. According to the EFSA this is equivalent to 4 cups of coffee (90 mg each) or 2 1/2 standard cans (250 ml) of energy drink (160 mg each/80 mg per serving).
Molar mass: 194.194 g·mol −1 ... Caffeine Hazards GHS labelling: [4 ... P264, P270, P301+P312, P501: NFPA 704 (fire diamond) 2. 0. 0. Lethal dose or concentration ...
Too much caffeine can cause side effects, such as insomnia, jitters and upset stomach. ... the majority of healthy adults can drink 400 milligrams worth of caffeine a day and be fine, Hunnes says ...
The signs and symptoms are divided into one group that can appear after an intake of as little as 100 mg of caffeine (roughly the amount contained in a cup of brewed coffee) and another group of symptoms that appear at higher levels of intake (more than 1 g per day). Low-dose symptoms include restlessness, nervousness, excitement, insomnia,