Does Pre Workout Go Bad? The Ultimate Guide

Yes, pre workout does go bad. Check the packaging to see when its expiry date is, if it’s gone beyond that, then the pre workout has gone bad. However, if the expiry date hasn’t gone by and there’s molding, that means the pre workout has gone bad and you should dispose of it or return it.

How to tell if pre workout is bad

  • Mold
  • Hard clumps
  • Bad smell
  • The powder does not mix as well as it used to

If the pre workout has gone bad, do not use it because consumption can cause stomach pain, diarrhoea, vomiting, dizziness and general discomfort.

Can expired pre workout make you sick?

Yes pre workout can make you sick if you consume it past the expiry date. Also, consuming higher than the recommended amount can make you sick. Make sure your pre workout is within its expiry date and does not have any signs that it’s gone bad.

Does pre workout go bad in water?

No pre workout does not go bad in water or lose its potency if you leave it for a few hours. You’ll still get the same boost in energy as if you took it straight after you mixed the pre workout in water.

However, you may need to shake it again as the pre workout powder may start to develop bits.

How long is a pre workout effective after mixing it in water?

A pre workout can be effective after mixing it in water for up to a week. The ingredients such as caffeine, beta alanine, creatine etc. are all effective a long time after they’ve been mixed in water.

There are off-the-shelf pre workout drinks you can find in stores that have an expiry date of over 12 months. Cold coffee is also sold off-the-shelf in many stores and has a long expiry date.

So many of the ingredients in your pre workout are bottled and sold in stores so they definitely will last a while in your fridge mixed in water.

However, there will be some unsettling of the powder so you’ll have to give it a shake again. Which is no big deal.

Does pre workout go bad in heat?

Yes pre workout will go bad in a heated environment, so make sure to store it in a cool, dry place. A cupboard is the optimal place to store your pre workout. If you store your pre workout in a heated environment and in direct sunlight, it can clump, smell and develop mold.

Can pre workout get moldy?

Yes, pre workout can get moldy if stored in a damp, wet environment. Make sure to seal the cap tight and store your pre workout outside of any damp/wet environment.

Can I use the part of the pre workout that hasn’t grown mold?

No, you can’t as you may not see the bacteria with the naked eye develop into other areas. So it’s best to just dispose of it. It’s not worth getting sick over.

Is clumpy pre-workout bad?

No, clumpy pre-workout is not bad and is still effective. The pre-workout has gotten clumpy because it’s absorbed the moisture in the air. You can break the pre-workout up by blending it and then mixing it. It’s still safe to use and effective.

How do I prevent my pre workout from developing clumps?

Make sure to leave your silica packets buried within the pre workout. Clumping happens because of moisture and the silica packets will absorb that moisture instead of the powder.

Stir/shake the tub. Our protein powder is always being used and shaked around but it’s not the same for our pre workout tubs. Make sure to break everything up by occasionally giving it a stir/shake to prevent clumps.

Make sure it’s sealed tightly. This is going to prevent air and moisture getting into the powder and clumping it up. Also, it’s going to help prevent bacteria from getting in which could make you ill.

Store according to the manufacturer’s guidelines. The typical rules of storing a pre workout is making sure it’s stored in a cool, dry place and away from direct sunlight. Keeping it in the cupboard is best practice. If you’re living in a hot climate, store it in the fridge.

Never allow water to get in the tub. I sometimes rush to mix my pre workout and end up getting water in the tub. This can lead to the powder dissolving and clumping over time. So take it slow and dry your hands first before handling the scoop.

Don’t open your pre workout if you don’t need to. If you have multiple, don’t just open the next one because you want to see what it looks like. Use the first one and then move on to the next. This helps keep the moisture to a minimum.

How do I fix my clumpy pre workout?

Put your pre workout in a blender to help break it up and get rid of the clumps. Then place it back in the tub. If you don’t have a blender or the clumps aren’t very hard, you can use a fork or knife to break the clumps.

Why does my pre workout turn clumpy?

Pre workouts will typically contain hygroscopic ingredients which attract and hold moisture, hardening the powder.  

Types of hygroscopic ingredients include:

  • Creatine nitrate
  • Citrulline malate
  • Glycerol
  • Citrulline

Does pre workout lose potency?

No, a pre workout will not lose its potency as long as you’re consuming the pre workout before its expiry date. Pre workout also won’t lose its potency if it’s been in water for days. Creatine can lose some of its effectiveness but that will not render the pre workout useless. You’ll still feel a surge in energy.