Roidz is a testosterone booster supplement made by Underground Labz.

It’s designed to increase strength and lean body mass by naturally increasing testosterone levels.

Underground Labs is a relatively new supplement company, based in Australia.

Ingredients Label

Active Ingredients

Tribulus Terrestris

Tribulus terrestris is a plant which is commonly used in testosterone boosters.

It’s known to enhance sex drive, but may actually fall short in terms of boosting actual testosterone levels in healthy people (1).

It may, however, have a positive effect in infertile men (2).

Tongkat Ali

Tongkat ali is a flowering plant which may boost testosterone.

This has been achieved in subjects with abnormally low testosterone levels, but more studies must be done in healthy males (3).

The effective dose is 200-300mg.

Fenugreek

Fenugreek is another libido-boosting plant.

It’s been shown to increase testosterone in some studies, but has also failed to do this in others (4, 5).

An effective dose is about 500mg.

D-Aspartic Acid

D-Aspartic acid is a type of amino acid.

It’s been shown to increase testosterone levels over 1-2 weeks of use, but these effects only persist in infertile men (6).

An effective daily dose is about 2000-3000mg.

Who Takes It?

Male athletes who are either older or have abnormally low levels of testosterone will benefit most from using Roidz.

How to Take

Take 2 capsules daily with water, either before your workout or before bedtime.

Side Effects

Fenugreek may give sweat a “maple syrup” scent.

The overall formula may cause an increase in libido and other changes in general mood.

Pros

Multi-ingredient approach
Effective doses of some ingredients
Black pepper extract to increase absorption.

Cons

Fenugreek and D-aspartic acid doses should be higher
Will most likely not increase testosterone in healthy men
Doesn’t reduce oestrogen or DHT.

Conclusion

Roidz is a fairly simple testosterone booster formula, which combines four key ingredients.

These are all designed to purely increase testosterone levels, without controlling other factors such as oestrogen.

Most ingredients in this formula have been shown to increase testosterone in older or infertile males, but may not have much effect in healthy athletes.

The doses of fenugreek and D-aspartic acid are a little disappointing, being on the low side.