Pre-workout has become a go-to ally for those looking to get the most out of every training session. Whether to increase energy, improve focus, or enhance physical performance, this type of supplement offers an extra boost right before getting started.
However, it’s not just about taking it randomly: to truly benefit from it and avoid unwanted side effects, it’s important to know when, how, and how much pre-workout to take. In this article, we’ll give you key tips for using it effectively and safely, tailored to your goals and your body’s needs.
When should you take pre-workout?
The timing of your pre-workout intake is crucial so that the active ingredients are at their peak right when you need them most: during your workout. In general, it’s recommended to take it 20 to 45 minutes before starting physical activity.
However, the best time to take pre-workout may vary depending on the supplement type and your own sensitivity. For example:
- Pre-workouts with caffeine: usually take 30 to 45 minutes to take full effect.
- Stimulant-free formulas: like those based on citrulline or beta-alanine, may act more quickly.
- If you’ve eaten beforehand: taking pre-workout right after a large meal can delay its absorption.
Also, if you work out in the late afternoon or evening, it’s important to avoid taking it too late if it contains caffeine or other stimulants, as it could interfere with your sleep. In those cases, stimulant-free options may be a better choice.
How should you take pre-workout?
The way you take pre-workout also affects its effectiveness. Although it might seem as simple as “mix and drink,” there are a few things to consider to get the most out of it:
- Choose the right format: pre-workouts come in different forms:
- Powder: to be dissolved in water. This is the most common format and allows easy dosage adjustment.
- Capsules or tablets: convenient to carry, but less flexible in dosage.
- Liquid shots: fast-acting and ideal if you're short on time before working out.
- Follow the manufacturer’s instructions: each product has a different formula, so it’s essential to follow the directions on the label, especially if it’s your first time using it. Start with half a dose if you don’t know how your body will react, especially if it contains stimulants like caffeine.
- Mix with enough water: if using powder, dissolve it properly in 200–300 ml of water (or as directed by the manufacturer). Proper hydration helps with absorption and can prevent side effects like cramps or digestive discomfort.
- Don’t take it on a completely empty stomach: while some people tolerate it well when fasting, others may experience nausea, jitters, or energy crashes. If that’s the case for you, have a small carb-rich snack first (like a banana or a slice of whole-grain toast).
So, knowing how to take pre-workout properly makes all the difference between a powerful boost and an uncomfortable experience. Choosing the right format, respecting the dosage, and considering your hydration, nutrition, and timing will help you train effectively and safely.
How much pre-workout should you take?
The truth is, there’s no one-size-fits-all dosage, as the ideal amount depends on factors like the product’s formula, your personal tolerance to stimulants, and your workout goals. Still, some general guidelines can help:
- Check the label: every supplement has a different concentration of ingredients like caffeine, beta-alanine, citrulline malate, or creatine. The label usually provides the recommended dose and may suggest starting with a lower amount to test your tolerance.
- Adjust based on your sensitivity: if you’re sensitive to stimulants or don’t usually consume caffeine, start with half a dose. This is especially important for products with more than 200 mg of caffeine per serving, as too much can cause jitters, rapid heart rate, or stomach discomfort.
- Avoid overdosing: more isn’t always better. Taking too much pre-workout can lead to side effects like insomnia, irritability, or a post-workout crash. Over time, regular high doses can also lead to tolerance and reduce the product’s effectiveness.
In short, the key is to respect the recommended dosage and adjust it to your tolerance. Start cautiously, pay attention to how your body reacts, and don’t overdo it — that way, you’ll get all the benefits without unwanted effects.
Additional considerations when using pre-workout
Although pre-workouts can be a helpful tool for improving performance, it’s important to use them wisely and keep a few things in mind to avoid negative effects:
- Don’t overuse stimulants: frequent use of caffeine-based pre-workouts can lead to tolerance, meaning you’ll need higher doses to feel the same effects. This reduces effectiveness and can negatively impact your nervous system and sleep.
- Be mindful of the time: taking pre-workout in the evening — especially with caffeine — can interfere with sleep. If you train later in the day, choose stimulant-free options or ensure there are at least 6 hours between taking it and going to bed.
- Consider stimulant-free alternatives: non-stim pre-workouts (without caffeine or other excitants) often contain ingredients like citrulline, beta-alanine, or adaptogens that boost performance without affecting the nervous system. These are great if you train at night or are sensitive to caffeine.
- Combine it with a solid foundation: pre-workout is not a substitute for balanced nutrition, proper hydration, or quality sleep. It only works best as part of a healthy lifestyle aligned with your fitness goals.
In conclusion, pre-workout can be a great ally to enhance your performance, as long as you use it with awareness and responsibility. Knowing when to take it, how to take it properly, and how much to use based on your needs makes the difference between a powerful session and an uncomfortable one.
Remember: always start with caution, listen to your body, and treat pre-workout as a complement — not a substitute — to a strong foundation of nutrition, sleep, and hydration. That way, every workout becomes a real opportunity to level up.

From the NDL Pro-Health team we will provide you with tips to maintain a healthy lifestyle. Sharing knowledge and product recommendations to offer optimal solutions for your daily routine, for your workouts and subsequent recovery, all with the goal of helping you achieve physical and mental wellness.