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Comparison · Pregnancy Smart

Energy drink alternatives during pregnancy

Assigned clinical reviewerMichael Yuzefovich· MD, FACOGDraft · pending clinical reviewUpdated

How do the options compare?

Each option carries the caffeine it actually delivers, measured against the 200 mg pregnancy figure, plus whatever else is riding along in the can.

OptionStudied pregnancy doseGuideline supportNotes
Energy drinksAbout 80 mg of caffeine in a 250 mL can and about 160 mg in a 500 mL canReviewers list pregnant women aged 18 and over among the groups who should not consume them, alongside children, adolescents under 18, and breastfeeding womenSystolic blood pressure rises about 6 to 10 mmHg and diastolic about 3 to 6 mmHg in the one to two hours after one, and guarana adds more caffeine on top of the listed caffeine.
Brewed coffee, 8 ouncesAbout 137 mg of caffeineMost experts suggest limiting caffeine in pregnancy to 200 mg or less a dayOne known number from one ingredient, which is the whole advantage over a stimulant blend.
Brewed tea, 8 ouncesAbout 48 mg of caffeineLeaves room inside the same 200 mg daily figure for more than one cupThe gentler way to keep a warm-drink ritual going through an afternoon slump.
Checking your iron insteadPregnancy raises the daily iron target to 27 mg, with a 45 mg upper limitThe NIH ODS pregnancy RDA and upper intake level for ironFatigue that does not lift is a bloodwork conversation rather than a bigger can, so bring it to a visit.
  • Reviewers of energy drink safety state plainly that these products should not be consumed by pregnant women, alongside children, adolescents under 18, and breastfeeding women. 1
  • A 250 mL energy drink carries about 80 mg of caffeine and a 500 mL can about 160 mg, and systolic blood pressure rises by roughly 6 to 10 mmHg in the one to two hours after drinking one. 1
  • Most experts suggest keeping caffeine to 200 mg or less a day in pregnancy, and a can of Red Bull contributes about 67 mg toward that against 137 mg for an 8 ounce brewed coffee. 2
  • Children exposed to more than 500 mg of caffeine a day in the third trimester were more likely to have faster heart rates, shaking, increased breathing rate, and more time awake in the days after birth. 2
  • Pregnancy raises the daily iron requirement to 27 mg because blood volume increases, and too little iron causes weakness, tiredness, lack of energy, and trouble with concentration and memory. 3

Which option makes sense?

Energy drinks are the one category safety reviewers tell pregnant adults to skip outright, and a single coffee or a couple of teas covers the same gap with a number you can actually count.

Disclosure: Pregnancy Smart is a supplement maker. The options compared above sit outside our own product line; this page describes their pregnancy evidence on its own merits.

Frequently asked questions

Can I drink energy drinks while pregnant?

The recommendation in the safety literature is no. It is not only the caffeine: energy drinks combine stimulants with high sugar, and reviewers list pregnant women among the groups who should not consume them. A plain coffee gives you a known caffeine number instead of a stack of ingredients.

What can I drink for energy while pregnant?

One coffee or a couple of cups of tea keeps you inside the usual 200 mg daily caffeine ceiling. Beyond caffeine, an electrolyte drink helps if you have been vomiting or under-drinking, and plain water plus a protein snack handles most afternoon crashes better than another stimulant.

Why am I so tired during pregnancy even with caffeine?

Because caffeine does not address the usual cause. Iron needs rise to 27 mg a day in pregnancy as blood volume increases, and low iron produces exactly this picture: weakness, no energy, and trouble concentrating. Persistent fatigue is worth a blood test, not a bigger can.

What if I drank an energy drink before I knew I was pregnant?

A single can is very unlikely to have caused a problem, and it sits well under the intakes linked with newborn effects. Stop from here, count your daily caffeine from all sources, and mention it at your next visit if it is on your mind.

References

  1. The Review on Adverse Effects of Energy Drinks and Their Potential Drug Interactions

    NIH · https://pmc.ncbi.nlm.nih.gov/articles/PMC12348313/

  2. Caffeine: MotherToBaby Fact Sheet

    MotherToBaby · https://mothertobaby.org/fact-sheets/caffeine-pregnancy/

  3. Iron: Fact Sheet for Consumers

    ODS · https://ods.od.nih.gov/factsheets/Iron-Consumer/

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.