Fitness Supplements

5 Reasons Why I Stopped Taking Pre-Workout Supplements

No “magic juice” will improve the quality of your workouts better than improving your lifting technique

Sergio Ruiz
4 min readAug 3, 2022
Photo by Kelly Sikkema on Unsplash

I used to love drinking pre-workout supplements.

I would pour two scoops of powder into a shaker bottle and drink it slowly until my body started tingling.

Then one day, my heart started beating so much that it caused the entire squat rack to vibrate with each pulse from my heart simply by touching the rack.

So much at first, I thought it was an earthquake.

At that exact moment, I decided to stop taking any more pre-workout supplements.

And here are other reasons you may want to stop taking them too.

Too much caffeine

One of the first pre-workout supplements I took contained 200 mg of caffeine per serving.

That is about the same amount in two 8-ounce cups of coffee, which is what I consume daily already.

I typically drink a cup of green tea that contains roughly 50 mg of caffeine later in the day.

That totals to about 500 mg of caffeine daily.

According to FDA (The Food and Drug Administration), that’s about 100 mg past negative side effects depending on how you metabolize caffeine or if you are sensitive to it.

But for me, drinking the added caffeine in pre-workout became too much to handle.

Unpronounceable ingredients

If you can’t pronounce an ingredient, don’t consume it.

One of the most popular pre-workout supplements contains the following ingredients on its food label:

Modified Glucose Polymers (Maltodextrin), Di-Creatine Malate, Trimethylglycine, Creatine Ethyl Ester -Beta-Alanine Dual Action Composite (CarnoSyn®), Sodium Bicarbonate, Sodium Creatine Phosphate Matrix, Creatinol-O-Phosphate-Malic Acid Interfusion, Glycocyamine, Guanidino Propionic Acid, Cinnulin PF® (Aqueous Cinnamon Extract) (Bark), Ketoisocaproate Potassium, Creatine ABB (Creatine…

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Sergio Ruiz

Fitness professional & nutrition coach with 20+ years experience as a personal trainer in San Francisco | www.sfbodymatrix.com