Imagine gearing up for a high-energy workout only to feel jittery, nauseous, or burned out halfway through. This frustrating scenario is often caused by hidden or excessive ingredients in your pre-workout supplement.
While these products promise to enhance performance, many contain additives that could hinder rather than boost progress. From artificial sweeteners to overstimulating doses of caffeine, knowing what to avoid can save your workout.
In this article, we’ll uncover the key ingredients you should watch out for in pre-workout supplements.
1. Sugary Additives and Artificial Sweeteners
Sugary additives and artificial sweeteners are often hidden in pre-workout supplements, promising to improve taste without adding calories. However, these ingredients can negatively impact your performance.
Excessive sugar can lead to energy spikes and sharp crashes, leaving you fatigued mid-workout. High sugar intake also contributes to weight gain and increased blood sugar levels, which may undermine your fitness goals.
Conversely, although calorie-free, artificial sweeteners like aspartame and sucralose can cause digestive discomfort, including bloating and gas. Over time, regular consumption of artificial sweeteners may also interfere with your body's natural response to sweet tastes, potentially leading to increased cravings for sugary foods.
2. Excessive Caffeine
Caffeine is a common ingredient in pre-workout supplements because it boosts energy and focus. However, too much caffeine can do more harm than good. While moderate amounts can enhance alertness, excessive caffeine can lead to jitters, anxiety, and increased heart rate, which may actually impair your workout performance.
In high doses, caffeine can also cause dehydration, as it acts as a diuretic, counterproductive to the hydration your body needs during exercise. Too much caffeine late in the day can interfere with sleep, leading to poor recovery and reduced energy levels for future workouts. Long-term overuse may even lead to caffeine tolerance, requiring higher doses to achieve the same effect, ultimately worsening the problem.
For a balanced approach, look for pre-workout supplements that contain moderate levels of caffeine, or opt for non-stimulant alternatives if you’re sensitive to its effects. Always read the label carefully to avoid overloading your system, as caffeine can vary significantly between products.
3. Unnecessary Fillers and Proprietary Blends
Pre-workout supplements often contain unnecessary fillers and proprietary blends, which can be misleading and ineffective. Fillers are low-cost ingredients added to bulk the product without offering any real benefits. These fillers can dilute the active ingredients' potency, reducing the supplement's effectiveness. Common fillers include maltodextrin, silicon dioxide, and artificial colouring, none enhancing your workout performance.
Proprietary blends are another red flag. These blends group several ingredients together without specifying their exact amounts, making it difficult to know how many beneficial ingredients you're getting. This lack of transparency can mask low doses of key ingredients while padding the formula with cheaper, less effective ones. In some cases, proprietary blends can include substances that might not align with your fitness goals or health needs.
To ensure you're getting the most out of your pre-workout supplement, choose products with fully transparent labelling and avoid those that rely on vague proprietary blends.
4. Harmful Preservatives and Artificial Colours
While preservatives and artificial colours might make pre-workout supplements look appealing and last longer on the shelf, they can pose serious health risks. Many preservatives, such as sodium benzoate and potassium sorbate, are added to extend shelf life.
Still, long-term consumption of these chemicals has been linked to allergic reactions and digestive issues. Additionally, some preservatives have been associated with potential toxicity when consumed in large quantities over time.
Artificial colours, such as Red 40 and Yellow 5, offer no performance benefits and are purely aesthetic. While they may make the supplement visually attractive, these synthetic dyes have been linked to adverse effects, including hyperactivity, especially in children, and allergic reactions in sensitive individuals. Some studies even suggest that regular consumption of artificial colours may contribute to more severe health issues over time.
5. Cheap, Ineffective Ingredients
Many pre-workout supplements on the market are packed with cheap, ineffective ingredients that offer little to no real benefits for your workout. Manufacturers often use these ingredients to cut costs and increase profits, but they come at the expense of your performance.
Ingredients like taurine, glutamine, and low doses of creatine monohydrate may sound beneficial but need to be more transparent and appropriate in pre-workout formulas. While these compounds have their place in other contexts, they are unlikely to provide the boost you're looking for in your training sessions.
Additionally, cheap binders and fillers like maltodextrin or dextrose are often used to bulk up the product without offering any functional value. These ingredients can dilute the overall effectiveness of the active components, leaving you with a supplement that doesn’t deliver the promised results.
To maximise your pre-workout, look for high-quality ingredients clinically proven to enhance performance, such as citrulline malate, beta-alanine, and creatine in adequate doses.
6. Banned Substances and Unregulated Ingredients
When choosing a pre-workout supplement, it’s crucial to be aware of banned substances and unregulated ingredients that can pose serious health risks. Some pre-workouts may contain ingredients that sports organisations or health authorities prohibit due to their dangerous side effects.
Compounds like DMAA and ephedra have been banned for causing harmful cardiovascular issues, yet they may still appear in some low-quality supplements. Consuming these banned substances not only jeopardises your health but can also lead to disqualification in competitive sports.
Unregulated ingredients are another primary concern. Since the supplement industry is not as tightly controlled as pharmaceuticals, some products may contain ingredients that haven’t been thoroughly tested for safety or efficacy. These unregulated substances can lead to unpredictable side effects or interact negatively with other medications or supplements you may be taking.
Axe Laboratories’ Best Pre-workout Supplements for Peak Performance
Axe Laboratories sets a high standard for safe and effective pre-workout supplements. Our products are designed with transparency and performance in mind, ensuring you get the most out of your workouts without unnecessary additives or harmful ingredients.
1. Hell – World’s Strongest Pre-Workout
Hell is formulated for those looking to push their limits during high-intensity workouts. As the strongest pre-workout available, it delivers powerful stimulants that provide unmatched energy, focus, and endurance.
It’s designed for athletes and fitness enthusiasts who need an explosive boost to power through intense strength or endurance training sessions. With Hell, you can maximise your performance without worrying about energy crashes or over-stimulation.
2. OBLITERATE
OBLITERATE offers a balanced blend of energy, endurance, and muscle support. Its formula is designed to provide long-lasting performance without the jittery side effects of overstimulation.
Ideal for moderate—and high-intensity workouts, OBLITERATE helps reduce muscle fatigue, boost stamina, and improve overall workout endurance. Whether lifting weights or performing cardio, it ensures sustained performance, making it a versatile option for a wide range of training goals.
3. Impel 2.0 – Clarity/Mental Focus/Energy
Impel 2.0 is the perfect choice for those who need a clear mind and steady energy throughout their workout.
It enhances mental clarity, focus, and energy, allowing you to stay sharp and motivated during more prolonged or complex training sessions. With its clean energy formula, Impel 2.0 is great for workouts requiring sustained concentration. It ensures that both your mind and body perform at their peak without the crash associated with stimulants.
Conclusion
Avoiding harmful ingredients in your pre-workout supplement is crucial to enhancing performance and protecting your health. You can safely optimise your workouts by opting for products free from excessive caffeine, artificial additives, and cheap fillers.
Take charge of your fitness journey by choosing high-quality, transparent supplements that align with your goals and support peak performance.