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But, if you don’t have any of these issues, aren’t sensitive to caffeine, and didn’t consume, say a cup of coffee, right beforehand, it’s okay to consume a caffeinated pre-workout drink ...
A small, 8.4-oz. can of Red Bull contains 80 mg of caffeine, and a concentrated, 2-oz. energy shot can contain a staggering 215 mg, according to the Mayo Clinic. Just how any one person will react ...
After all, caffeine is a stimulant known to perk you up and boost your energy levels. Although everyone's system is different, there should be a cut-off for your last cup of joe, especially if you ...
If pregnant, it is recommended not to consume more than 200 mg of caffeine a day (though this is relative to the pregnant person's weight). [26] If a pregnant person consumes high levels of caffeine, it can result in low birth weight due to loss of blood flow to the placenta, [27] and could lead to health problems later in the child's life. [28]
Personal habits such as consumption of alcohol or large amounts of caffeine can negatively and irreversibly affect the development of the baby, which happens in the early stages of pregnancy. [4] Caffeine consumption during pregnancy is associated with an increased risk of pregnancy loss. [5]
The metabolism of caffeine is reduced in pregnancy, especially in the third trimester, and the half-life of caffeine during pregnancy can be increased up to 15 hours (as compared to 2.5 to 4.5 hours in non-pregnant adults). [79] Evidence regarding the effects of caffeine on pregnancy and for breastfeeding are inconclusive. [26]
The health effects of coffee include various possible health benefits and health risks. [1]A 2017 umbrella review of meta-analyses found that drinking coffee is generally safe within usual levels of intake and is more likely to improve health outcomes than to cause harm at doses of 3 or 4 cups of coffee daily.
“It’s a great performance enhancer,” one expert says. Here’s why it’s important to use the stimulant responsibly.