Rev Labs Diesel Test Review

A product by Rev Labs2-stars

Positives Negatives
  • Contains Fenugreek, Zinc 
  • Many Ineffective Ingredients
  • Under-dosed in some areas
  • Poor Servings

Review Overview – What does Rev Labs’ Diesel Test do?

Manufactured by Rev Labs, Diesel Test is an all natural testosterone booster that is claimed to promote:


  • Sex Drive
  • Recovery
  • Muscle Size


But how well does it really work?

In this review, we look closer at Diesel Test to see how effective it really is.

This is what you need to know:

How are the servings?


With only 1 serving a day – the rate of testosterone growth with be minimal.

For the fastest progress, you need to be giving your body several servings a day.

After a few hours your body has absorbed and used all it can from the serving – with several a day, you keep the supply constant with your T-levels constantly on the rise.

Ideally, you need 3 – 4 servings a day for the best results.

What about the ingredients in Diesel Test?

Not great.

There are a lot of outdated ingredients in this product – and some of the good ones are under dosed.

It doesn’t look good.

We’ve written up the ones you need to know about – take a look:rev-labs-diesel-test-side-effects


Not great for testosterone, but may help with energy.

B12 is used for various metabolic reactions in your body and may improve overall energy and metabolism.


A good mineral for T boosting.

Zinc is used for processes in the brain that help promote the Luteinzing Hormone (LH).

LH is a crucial precursor to both testosterone and growth hormone. It’s essential to the process.


Good for libido and helps towards T.

Fenugreek is a reliable nutrient that helps to regulate blood sugar.

Why is that good for testosterone – because insulin directly affects T. The less of it you have, the better.

With proper regulation your T has more room to grow.


One of the poorer performing testosterone boosters.

Tribulus was originally thought (and heavily marketed) to be an effective testosterone booster.

However, studies have shown that this just isn’t the case.

Supplementation of Tribulus Terrestris doesn’t promote testosterone, but it may have some mild effect on libido.


Another unreliable choice.

DIM is a component found in broccoli, and it’s thought to reduce estrogen levels – however, it doesn’t always have the desired effect.

More research is needed to know for sure if this nutrient works.

D-Aspartic Acid

A great testosterone booster – but completely under-dosed here.

Working in a similar way to zinc, DAA helps boost the Luteinzing Hormone (LH) which promotes testosterone and growth hormone.

However studies have shown you need at least 1500 mg daily, or higher to see any real results – 100 mg just isn’t going to cut it.

Epimedium (Horny Goat Weed)

Unfortunately, Horny Goat Weed falls into a similar category to Tribulus.

Once thought to boost testosterone, and easily marketed because of the name – Horny Goat Weed isn’t as great as they say.

It doesn’t boost testosterone, but it may have a mild effect on libido.


Technically a hormone, but a risky one when it comes to testosterone.

DHEA may raise testosterone, although it’s not always reliable – it may in some cases may even raise estrogen.

Be careful with this nutrient.rev-labs-diesel-test-results

Nutrient Overview:

On the whole this isn’t the best ingredient profile.

So many of the ingredients are outdated, and have very little effect on testosterone.

The only good choices here are the zinc and the fenugreek – the D-Aspartic Acid is too under dosed to consider.

But choosing nutrients like Tribulus and Horny Goat Weed are rookie mistakes.

This isn’t your best option.

Side Effects

The only thing you have to worry about here is the DHEA – but it is pretty unreliable so it shouldn’t cause too many problems.

Worst case scenario it may raise your estrogen levels – however it’ll be minimal. It’s a fairly mild ingredient.

On the whole, in terms of danger – it’s safe.

Is there anything better than this T-Booster?

Yes there is.

There are far better testosterone boosters on the market that promote:

  1. Overall Testosterone
  2. Fat Loss
  3. Muscle Mass
  4. Sex Drive
  5. Energy
  6. Mood

And all the other added benefits that come with higher testosterone levels – and we’ve narrowed it down to only a few products.

To see what our readers have had the most success with, check out our top recommendations in the link below:

– Top Natural Testosterone Boosters –

Rev Labs Diesel Test Review Conclusion

All in all, this isn’t the best testosterone booster on the market.

From this review, here’s what you need to know about Diesel Test:

  • Poor Servings – With only 1 serving a day, your T-boosting progress will be slow.
  • Ineffective ingredients – Many of the nutrients are outdated and ineffective.
  • Under-dosed nutrients – DAA is a core T-Booster and they’ve really sold it short here. It’s heavily under-dosed.

It’s not your best option.

To see what both our editor and readers have voted as the highest rated testosterone booster – check out our full review on the top testosterone booster on the market below:

What we're using at the moment - Prime Male

We've been using Prime Male for the last few months and declared it the #1 Testosterone Booster for Low T

It contains all the top testosterone boosting nutrients and is generously dosed.

Read our full review below