caffeine zombie

FRS Healthy Energy is still being hotly debated. I was recently asked about the caffeine content in FRS, and although I touched on that when I wrote about FRS and high blood pressure, I’ll expand on that today.

To start with, FRS is not based on caffeine like many other energy drinks. It just contains a small amount of caffeine to help you absorb the nutrients it contains.

I don’t know all the science behind the ‘caffeine as a metabolic enhancer’ idea, but it’s not a new concept. For example, Tylenol for migraines actually contains caffeine to speed your body’s absorption of the active ingredients.

In other words, FRS shouldn’t turn you into a caffeine zombie (pictured above.)

Now I think the easiest way to do this is to chart out caffeine content of typical drinks, including FRS. So here is a chart of drinks ranked by caffeine content:

The Beverage Caffeine Content (mg)
Starbucks Double Shot 130
Guru Energy Drink 125
Coffee (brewed) 107.5
Crunk Energy Drink 100
Red Bull 80
Monster 80
Full Throttle 72
Mountain Dew 55
FRS Can 48
Black Tea (brewed at home) 47
FRS Concentrate 35
FRS Powder 35
Coca-Cola Classic 34.5
Snapple Tea 31.5
Green Tea (brewed at home) 25
FRS Chews 20

As you can see, regular green tea (my favorite) is at the bottom of the list, FRS Healthy Energy is slightly above that, and a plethora of common energy drinks top the charts!

Be wary of all the drinks in the top half (Mountain Dew and above.) The only exception would be the plain black coffee, if consumed in moderation, without excess cream and sugar.

And for the bottom half of the list, the two drinks I recommend are the FRS all natural concentrate and the green tea you brew yourself.

Sources: I pulled the caffeine values for FRS straight from the packaging, but I found the comparison energy drink details via The Caffeine Database. Values are “per serving” values, which is usually half a 16 oz can or a full 8 or 12 oz can.

Photo credit: bingbing

6 Comments
  1. KICK!

  2. It’s wary (not weary). Interesting article. Thanks.

  3. @Rick

    Yeah, I guess I was a little “weary” when I wrote this 😉 Thanks.

  4. > For example, Tylenol for migraines actually contains caffeine to speed your body’s absorption of the active ingredients.

    This is not true. Migraine remedies contain caffeine to act a vasoconstrictive drug to reduce the throbbing that is believed to cause the head pain associated with migraines.

    Once the caffeine wears off, many users report a “rebound headache” when the blood vessels in the brain dilate again.

  5. False information on caffeine. Caffeine does not aid absorption . The truth is always best. Any pharmacologist will tell you that FRS at 48 to 50 mg is similar to Red Bull at 80 mg. Very similar dose. The use of caffeine in FRS is clearly the same as the use in Red Bull. Please do not create your own science as you are not qualified to do so. Caffeine is present to bind to adenosine receptors in the brain and create effect . Caffeine Will Not Aid absorption of Quercetin as it must enter the human cell, act in mitochondria of the cells, and yield “some effect” . All very unlikely due to very, very poor cell uptake.

  6. @T Davis

    Thanks for the comment, but please note that I’m not “creating my own science.” I am simply stating product information from FRS. If this is a big deal to you, you should take it up with FRS.

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