Order within 9h 38m 13s  and it'll leave us today!

Why you love it...
"I've been on D-Aspartic Acid for a few weeks, definitely seeing the effects. Great product." - Nick
Why we love it...
D Aspartic Acid is 100% pure and made from only the finest grade D Aspartic Acid. It is an amino acid that plays a key role in producing compounds linked to muscle tissue growth and libido enhancement. D Aspartic Acid is sourced from a TPW™ Accredited Supplier for the ultimate quality assurance.



*Code Valid on Orders Over £10

From: €11.29

* Required Fields

Frequently Bought With...

Performance Supplement
Amino Acid Powder
Top Picks
From: €16.79
From: €26.79
From: €11.29

What is D-Aspartic Acid?

D-Aspartic Acid Powder from THE PROTEIN WORKS™ is a non-essential Amino Acid, meaning that it can be produced by our bodies. Amino Acids are the well-known molecules that help our muscles process and produce protein in our bodies. They’re essentially the ‘building blocks’ of our muscles, however, each can have significant and unique effects.

How does D-Aspartic Acid work?

Found naturally in our nervous tissue D-Aspartic Acid works primarily in the brain to stimulate the release of hormones. Other hormones also released as a cause of D-Aspartic Acid in the body is testosterone. All of which have certain essential functions in our body

Why buy D-Aspartic Acid?

D-Aspartic Acid powder has long been a supplement used by resistance training and exercise fanatics alike. Available in 3 different sizes will give you the opportunity to try out or stock up TPW™ D-Aspartic Acid and realise its full potential.

When is the best time to take D-Aspartic Acid?

D-Aspartic acid should be taken after meals, ideally in the morning. THE PROTEIN WORKS™ D-Aspartic Acid comes naturally unflavoured, meaning that you can add it to any TPW™ shake for added oomph. .

Who should take D-Aspartic Acid?

In short, everyone and anyone should take D-Aspartic Acid, whether you enjoy hitting the gym or just enjoy keeping yourself healthy. D-Aspartic Acid should especially be used for those who may be a little older and may produce fewer hormones. Though, no matter what your sex, age, diet or body goal they should still be added to your essential supplement stack.

What Other Amino Acid Powders Do You Stock?

We have an extensive Amino Acid Powder range all with their own unique benefits. Our range includes the following:

27 March 2018

Definitely Bringing Sexy Back
Careful of your dosage - use some scales to be exact. Pure stuff, no headaches.

Consider taking with B6 and B12 especially if you are a male of a certain age.

4 weeks on and 1 week off then repeat seems to be the accepted norm.

Great stuff!

08 July 2016

On my 2nd bag already
Really like this. I always have problems waking up and feeling ready to go in the morning but after using this every morning I feel great and ready for the gym/work

08 February 2016

Great booster
Feeling stronger than ever thanks to this. I neck this before I train, and it does the job

08 February 2016

I've been on this for a few weeks, definitely seeing the effects. Great product

02 December 2015

Not sure
It might just be me but after about 3 days of taking this it does not seem to sit well with my stomach. To give it a chance I left it a few weeks then tried again same result. Might be good for other but not for me I'm afraid so I now have a bag of this I can't use.

Disclaimer: Customer reviews are independent and reflect customer's personal experiences. Individual results may vary. Products designed to be taken in conjunction with a balanced diet and training plan.


Serving Size: 3g (one medium BLACK scoop)

Add one heaped scoop (3g) to water or juice to your TPW™ Master Blender. Shake well and consume.

Use one serving daily, with your first meal of the day.

IMPORTANT: Before use, please check the included scoop is BLACK. If not, please contact us on 0845-4672411.


    EIRE Delivery

    From €5.99 | Free Delivery From €60 | Order by 5pm for Same Day Dispatch (Mon-Fri)   Read More



    Lifetime Guarantee on This Product  Read More

Q. When should I use D Aspartic Acid?

A. Studies show there isn’t a specific nutrient window with D Aspartic Acid, so you can take the daily 3g dose any time.

Q. What are main reasons for using D Aspartic Acid?

A. To boost T-levels and therefore enhance strength, energy and muscle.

Q. Are there any specific health benefits associated with D Aspartic Acid?

A. Enhanced libido.

Q. How can I tell if the D Aspartic Acid I buy is good quality?

A. Look for the Certificate of Analysis which will give you the assurance that what you are buying is what it says it is.

Q.Is D Aspartic Acid suitable for vegans and vegetarians?

A. It is suitable for vegetarians and vegans.

Q. Can I use D Aspartic Acid with other supplements?

A. Yes absolutely. As an amino acid D Aspartic Acid will go very well with pretty much all other supplements designed to increase muscle mass. Specifically this include Total Mass Matrix, Creatine Monohydrate or the pre-workout RAZE™.

Q. What if any side effects will I get from taking D Aspartic Acid?

A. We haven't heard of any nasty side effects from taking TPW™ D Aspartic Acid.

Q. What effects should I expect from taking D Aspartic Acid alongside my training regime?

A. By favourable altering T-levels you should notice an increase in strength, libido and muscle mass.

Q. Who should take / benefit from using D Aspartic Acid?

A. Bodybuilders and strength athletes. Those new to weight training. People involved in team sports. Those who participate in regular intense training and exercise.

Got a question? Ask an expert

Clear All
View Products