Published on: 5/15/2025
Pre-workout supplements may contain stimulants. These stimulants can cause chest pain by elevating heart rate and blood pressure, placing increased stress on the heart.
Pre-workout supplements contain various ingredients, with many including caffeine and other stimulants that increase heart rate and blood pressure. Some supplements also contain chemicals that can affect heart rhythm, leading to irregular heartbeats or palpitations. The combination of these ingredients with intense exercise can further increase the strain on your heart and blood vessels - which might trigger chest pain, especially if you're sensitive to stimulants or take more than the recommended amount. The resulting chest pain can feel similar to a heart attack. Some people—even young, healthy individuals—have experienced serious cardiac problems, including heart attacks, after taking these supplements. This illustrates how the increased cardiac workload from high doses of stimulants can cause chest discomfort or more severe complications. You should consult with a healthcare provider or nutritionist about any supplements you're taking to ensure safe use.
(References)
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Pallangyo P, Bhalia SV, Komba M, Mkojera ZS, Manji ES, Millinga J, Gandye Y, Kisenge PR. Acute myocardial infarction following "dry scooping" of a pre-workout supplement in a healthy young man of African origin: A case report. SAGE Open Med Case Rep. 2024 Jun 14;12:2050313X241261157. doi: 10.1177/2050313X241261157. PMID: 38881969; PMCID: PMC11179451.
de Jonge MLL, Kieviet LC, Sierts M, Egberink LB, van der Heyden MAG. Review of Case Reports on Adverse Events Related to Pre-workout Supplements Containing Synephrine. Cardiovasc Toxicol. 2023 Jan;23(1):1-9. doi: 10.1007/s12012-022-09777-z. Epub 2023 Jan 13. PMID: 36639595; PMCID: PMC9859859.
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