Doctors Warn: Regular Pre-Workout Supplements May Damage Heart and Disrupt Sleep

Pre-workout supplements, widely used for enhanced energy and performance during exercise, can pose significant health risks with regular consumption, particularly affecting cardiovascular function, mental well-being, and sleep patterns, according to medical experts. These powdered or pill formulations typically contain high doses of caffeine, beta-alanine, creatine, and other stimulants designed to increase alertness, blood flow, and endurance. While occasional use may offer benefits for intense sessions, habitual reliance often leads to adverse effects that outweigh short-term gains.

Cardiovascular strain is a primary concern, as stimulants like caffeine elevate heart rate and blood pressure, potentially triggering arrhythmias or palpitations in susceptible individuals. Doctors warn that excessive intake can stress the heart over time, increasing risks for those with undiagnosed conditions. Kidney function may also suffer due to dehydration from diuretic effects and high creatinine loads, which demand greater filtration effort.

Mental health impacts include heightened anxiety, jitteriness, and even panic attacks, stemming from overstimulation of the central nervous system. Beta-alanine's common side effect—a tingling sensation—can exacerbate unease, while caffeine sensitivity disrupts neurotransmitter balance, leading to mood swings or dependency. Sleep disruption is another frequent issue, as lingering stimulants interfere with natural circadian rhythms, causing insomnia or poor-quality rest essential for recovery. This creates a vicious cycle, prompting further supplement use to combat fatigue.

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Experts recommend consulting physicians before starting pre-workouts, especially for those with pre-existing conditions, and emphasise natural alternatives like balanced nutrition, hydration, and adequate rest for sustainable energy. As fitness trends drive supplement popularity, awareness of these potential long-term consequences encourages informed choices for safer training routines.

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