Product Review

Product Review

Rule One Lean 5 Fat Burner Review

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Does this Break The Rules of Getting You Shredded?

Burning fat is a process that can be made so much easier for you with a decent and proven fat burner.

Rule One supplements Lean 5 is a product that focuses on 5 natural ingredients to help you tackle that unwanted fat.

The formula, isn’t particularly exciting and we have doubts of it’s effect just from first glance.

The product does look and feel good though, and you can clearly see the individual doses of what you are taking which is a good start.

Let’s take a closer look at the ingredients and see what else we can expect from Rule 1’s Lean 5.

Rule One Lean 5 Fat Burner Ingredients

Fat Burning Ingredients Index

There’s a few good fat burners in Lean 5. As a powder it means you can take the dose a little higher than fat burners with capsules.

But where it’s slightly let down is that it’s more annoying to spread the serving through the day. Which means you’re only actually burning eRule One Lean 5 Fat Burner Ingredientsxtra fat for a shorter period.

This is where there is a key difference in pre workouts and fat burners.

It’s good to see natural ingredients though. Let’s break down what they will do for you.



CLA or conjugated linoleic acid is a mix of linoleic acid and essential omega-6 unsaturated acid.

You get your full amounts of these acids from what you eat and drink so they are essential for normal bodily function.

CLA ensures a healthy energy metabolism of food, increasing energy and efficiency of what you eat.

Garcinia Cambogia

When combined with a healthy diet and exercise this has been shown to slightly aid in fat loss. As well as this, it supports normal serotonin and cholesterol levels within the body.
There is still some research required before you can count on it to help with your fat burning though.


L- Carnitine is great for heart health. In particular blood vessel health and heart rhythm. It has also been shown to help those with a high cholesterol and triglyceride count.
On an athletic level, L-Carnitine can both optimise performance and increase fat burning. It carries fat directly to the mitochondria where energy is produced.
Generally L-Carnitine is better at higher doses in supplements, so is often under dosed in fat burners.

Raspberry Ketones

Chemically similar to the compound Synephrine (found in Citrus Aurantium), it is believed to help fat loss. Currently there is no clinical evidence to suggest that it can reduce fat in humans.
This ingredient is the product of clever marketing and should be avoided if you want a fat burner that works.

Green Tea

Green Tea is very popular amongst health and fitness enthusiasts in recent times. Especially as it has been found that when combined with caffeine, it can boost your metabolism far beyond what caffeine can do alone.
Studies have shown that it can increase your metabolism to the point of burning an extra 200 calories a day without added exercise. 500mg of Green tea is perfect in a fat burner.


Rule One Lean 5 Fat Burner Dose

Up to two scoops per day will get you some good results from this product.

Other than the Raspberry Ketones each ingredient looks to be dosed to cause a decent effect when it comes to weight loss.

We’re still siding with capsules as a more effective approach for fat loss, however as something stim free and liquid this has been put together reasonably well.

Rule One Lean 5 Fat Burner Side Effects

You shouldn’t be getting any negative side effects from this product from a single serving.

Raspberry Ketones has been known to cause some sickness in people who over do it, but this can easily be tested by dropping the dose and testing your tolerance.

When you choose something to help you lose weight you need to ensure that you choose something natural and side effect free. This will get you better results over a period of time.


Rule One Lean 5 Fat Burner Review Conclusion

This is a pretty good and basic product. Whilst it’s not going to get you shredded with a 6 pack in a few months, it’ll certainly serve as a product that will help slightly reduce body fat over time.

You might find you need a product that cuts you down quicker and more effectively, in which case you should be looking for a bigger blend of natural ingredients and potentially using something that is served in capsules for optimal results and a a few doses through the day.