Metabolic Nutrition StimuKal: An Evidence-Based Review

StimuKal is a fat-burning supplement by Metabolic Nutrition which appears to be pretty heavy on the energy/focus aspect, but let’s take a closer look, shall we?

Metabolic Nutriton StimuKal


StimulKal Claims/Benefits

Metabolic Nutrition makes it pretty clear what StimulKal is designed to do:

  • increase energy/focus
  • increase metabolic rate
  • allow you to burn more fat during your workouts

It’s essentially a fat-burning energy supplement that you take daily.  But claims are just words, so let’s talk ingredients…

StimulKal Ingredients



Citrus Aurantium


Aframomen Melegueta


Black Pepper Extract

Yohimbine HCL

Huperzine A

StimulKal Ingredient Takeaway

StimulKal is mostly stimulant based os we wouldn’t recommend it to the stimulant-sensitive, but it also contains some rather unique non-stimulant ingredients that add to the focus and cognitive enhancement aspect of the formula.  The biggest issue with StimulKal is that Metabolic (for some reason) chose to use a proprietary blend…Which bring us to the matter of dosing.


The StimuKal proprietary blend is only 730mg in total, but given that most of the ingredients are stimulants, requiring low amounts to be effective, this isn’t necessarily a red flag.  Our guess is that theres around 200-300mg of Caffeine per serving and the effects will be amplified by other stimulant/cognitive ingredients so we’re guessing Metabolic StimuKal packs a pretty powerful punch, even with just one dose.

Is StimulKal Safe?

As sith any stimulant-containing supplement, use caution when determining your ideal dose of StimuKal.  Esepcially since Metabolic doesn’t seem to want to tell us how much Caffeine (or other ingredients) is in the formula.  So maybe start with half a serving or something…

Where To Buy

Traditionally, Metabolic Nutrition supplements are available at a wide range of retailers, but we only found it at:

Yes, there are probably like a hundred more retailers that carry StimuKal, but five it plenty.  If you’re a retailer and would like to be added to that list, just comment below and we’ll make it happen.

The Bottom Line

If you’re looking for a high-powered energy supplement that will

  • burn fat
  • provide lost of energy
  • probably suppress your appetite a little
  • focus and think better

Then Metabolic StimuKal might be just what you’re looking for.  If you’re looking for a more mellow fat-burner that’s not so stim-heavy but still gets the job one, check out our Best Fat-Burners List. exists to educate the supplement community and seperate the science from the hype.

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