Earth Fed Muscle Stammpede Pre Workout Review — All Natural, Still Effective?

Earth Fed Muscle is a Pennsylvania-based company that was founded a couple of years ago by the guys behind Garage Strength, a training facility in Fleetwood, PA. The company sponsors a lot of athletes from various disciplines.

They specialize in all-natural workout supplements, and Stammpede Pre Workout has no artificial flavors, colors, or sweeteners. Here’s what’s in the Lemon Lime flavor.

Earth Fed Muscle Stammpede Nutrition & Ingredients

One scoop has 7.3 calories and has 200 milligrams of organic caffeine, about as much as you’ll find in two small cups of coffee.

Besides that there are 6 grams of branched chain amino acids: 3 grams of leucine and 1.5 grams each of isoleucine and valine.

There’s also 5 grams of beta alanine, 1.5 grams of tyrosine, and 1 gram of citrulline malate.

The rest of the ingredients are just natural flavoring and organic stevia.

Earth Fed Muscle Stammpede Benefits & Effectiveness

I really like the fact that there are branched chain amino acids, which may improve endurance, focus, and muscle retention, particularly if taken on an empty stomach. It’s pretty unusual to find BCAAs in a pre-workout.

The rest of the ingredients are well-researched. The beta alanine has a strong link with endurance, the tyrosine with focus, and the citrulline with blood flow.

Most of these are well-dosed. Generally, it’s recommended that you take 1.6 grams of beta alanine and 500mg of tyrosine, so the fact that Stammpede has 5 grams of the former and 1.5 grams of the latter, in addition to the large caffeine hit, suggests that it’s a very effective supplement.

However, it’s pretty low in citrulline malate: there’s just 1 gram of the stuff, and studies suggest you need a good 5 or 6 grams to have an acute effect on a workout.

See Our Best Pre Workout Picks

Earth Fed Muscle Stammpede Price

You can pick up 30 servings for $50, so it’s $1.66 per serving. That’s pretty expensive, since most pre-workouts are between 80 cents and $1 per serving. Then again, there aren’t many pre-workouts that are all-natural and have such effective doses of beta alanine and tyrosine.

Earth Fed Muscle Stammpede Taste

The Lemon Lime flavor, which tastes like sweetened lemon tea. It’s a little bit earthy, but it’s not at all unpleasant or overwhelmingly bitter or sweet.

The Takeaway

For an all-natural supplement, Stammpede is pretty tasty and effective, with research-backed doses of researched-backed ingredients that are linked to power, focus, and endurance. It’s a little low in citrulline so I’m not that confident in its ability to increase blood flow, plus it’s pretty pricy. But if you’re after an all-natural pre-workout that will power, focus, and endurance, this is still one of the better options on the market.


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Nick is a content producer and journalist with over seven years’ experience reporting on four continents. His first articles about health were on a cholera outbreak in rural Kenya while he was reporting for a French humanitarian organization. His next writing job was covering the nightlife scene in Shanghai. He’s written on a lot of things.After Shanghai, he went on to produce a radio documentary about bodybuilding in Australia before finishing his Master’s degrees in Journalism and International Relations and heading to New York City. Here, he’s been writing on health full time for more than five years for outlets like BarBend, Men's Health, VICE, and Popular Science.No fan of writing in the third person, Nick’s passion for health stems from an interest in self improvement: How do we reach our potential?Questions like these took him through a lot of different areas of health and fitness like gymnastics, vegetarianism, kettlebell training, fasting, CrossFit, Paleo, and so on, until he realized (or decided) that strength training fit best with the ideas of continuous, measurable self improvement.At BarBend his writing focuses a little more on nutrition and long-form content with a heaping dose of strength training. His underlying belief is in the middle path: you don’t have to count every calorie and complete every workout in order to benefit from a healthy lifestyle and a stronger body. Plus, big traps are cool.