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D-Aspartic Acid Calcium Chelate

D-Aspartic Acid Calcium Chelate, also called DAACC for short, is an amino acid that has been proven to raise testosterone and LH levels in men. Amino acids are the building blocks of protein in the body, and play an important role in almost every biological process; such as, transport and storage of nutrients and cells structure formation.

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Since DAA (D-Aspartic Acid) is an amino acid which plays an important role in the manufacture of sex hormones, it is naturally found in the body. It works so well that an Italian pharmaceutical company actually markets it in their products which are aimed at infertile men. Men in their 20's and 30's were given DAA in a study, and it was shown to increase LH levels by up to 33% and testosterone by up to 42%.

Difference between DAA and DAACC

Straight DAA without the calcium chelate added has poor water solubility, and it will sit in the digestive tract as a powder while absorbing very slowly. As a result, DAA can cause stomach issues in certain cases. Researchers decided to chelate it with calcium, which increases its water solubility times x75. This makes DAACC far more user friendly and digestible; hence, the reason bodybuilders use DAACC instead of DAA.

daa daacc

Fig 1. DAACC vs. DAA

How it works

Our HPTA works like a clock, and if there is any interference at any time, it can cause our testosterone levels to drop. Testosterone is a male hormone, which makes us men. It gives us strength, enhances mood, increases libido/sex drive, and helps us build muscle and burn fat. In our pituitary glands, DAACC increases the concentration of the cGMP molecule, which results in more LH, which then signals our leydig cells to increase testosterone secretion. In the end, higher LH will result in more testosterone naturally, without suppressing the HPTA.

Use for bodybuilders and athletes

When an athlete uses anabolic steroids, the pituitary glands no longer produce LH and your HPTA “shuts down”. This is a certainty, and there is no magic way to reverse this from happening. In other words, since the athlete has excessive hormones, the pit glands have no reason to work and will go dormant.

Once the user goes off hormones, they are then left feeling suppressed, so it is crucial a post cycle therapy (PCT) is ran. This is where DAACC use comes in handy. Since it helps the pituitary glands produce LH, and helps the testes produce testosterone, you will recover faster and have a softer landing post-cycle. This means you preserve gains you worked so hard for during your cycle, and you will stay motivated to keep working hard in the gym.

Side effects

If used, not abused, DAACC will have no side effects. Like all supplements, if you use too much or abuse it, then you run into the laws of diminishing returns. If you use it year round, it is recommended you cycle DAACC 12 weeks on and 4 weeks off.


For post cycle therapy, I recommend running 1-2grams of DAACC per day, split AM/pre-workout dosages. On cycle, I recommend around 1 gram before your workouts to give yourself a boost. Its a good idea to experiment with what works best for you, there isn't an iron clad rule as far as dosages go. Do not exceed 3g a day.

Where to find it

Dspark contains a whopping 1350mg per serving of DAACC, as well as 7 additional ingredients which work in synergy. Do not be fooled by other supplements that boast DAA alone; the bio-availability is poor with these other brands and you will not notice any results.


DAACC is far superior to DAA, and is a non-suppressive amino acid. It should be used on cycle and during your post cycle, to help you build more muscle and boost testosterone naturally.


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Written by
Steve Smi (Also known as Steve Smith), has over 12 years of experience in the bodybuilding and fitness industry. He's the co-Host of the popular Evolutionary Radio Podcast - over 500,000 listens! He has been a personal trainer and writer for the last 10 years with over 1000 articles written. He's been a moderator on forums for over 10 years. Steve holds the following certifications and records: NASM Personal Trainer NASM Fitness Nutrition Specialist Florida Local Powerlifting champion Top writer for 2019 Fitness rated

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