To what extent does D-Aspartic Acid increase Testosterone levels?

To what extent does D-Aspartic Acid increase Testosterone levels?

The multiple benefits of increased testosterone levels are well known, not only to bodybuilders and fitness enthusiasts, but also to anyone with a hormonal condition.

If you’ve ever been asked about this supplement, you may not have known how to answer other than that it’s good for increasing muscle mass and supporting faster muscle recovery after training. The truth is that this substance is much more than that and it’s good to be informed about the properties of one of the key amino acids for the body.

Raising testosterone

Fortunately, D-Aspartic Acid (DAA) helps to raise testosterone levels with the added bonus of doing so in a completely natural way. We want to talk about it in this post.

What is the relationship between Aspartic Acid and Testosterone?

First of all, it is interesting to note that the use of Aspartic Acid by athletes is common, given its direct link to the body’s production of testosterone and therefore to muscle growth.

It is not in vain that testosterone is the hormone responsible for the granting of male characteristics such as increased strength and muscle volume. Also noteworthy is the positive way in which it influences the mood, causing a greater feeling of well-being and quality of sex life, which derives, among other factors, from the increased libido.

In fact, maintaining normal levels of testosterone is directly related to

  • A better mood
  • Enhancing maintenance and gain of muscle mass
  • Improving fat metabolism
  • The promotion of sexual appetite
  • Improved spermatogenesis or increased mobility, quality and volume of sperm
  • Strengthening bone density

As the years go by, the body’s testosterone levels naturally begin to decline. The result? A possible negative effect on sexual health, energy and mood.

You can find Aspartic Acid in two forms, which are called natural isomers. So, we have to differentiate: Aspartic Acid D and L-Aspartic Acid. Given the characteristics of our blog, we are going to focus on the D-Aspartic form that is causing a furor as a supplement.

Who can mainly benefit from D-Aspartic Acid? Well, men with low testosterone levels. After all, it has proved to be a very safe and effective substance for raising testosterone levels naturally by up to 42%, which is surprising given that it is a 100% natural supplement with incredible health effects.

Does it really increase Testosterone?

In accordance with what we have explained so far, the human body uses AAD as a support for testosterone synthesis. This amino acid is mainly lodged in the pituitary gland, the hypothalamus and the testicles.

It seems that this happens thanks to a chain reaction whose first link is the signalling activity of D-Aspartic Acid in the frontal region of the pituitary gland.

AAD is necessary as a means of transporting cholesterol into the mitochondria of Leydig cells, with a view to producing testosterone.

Another application of D-Aspartic Acid by men is as an “anti-aging” supplement, with the mission of restoring low testosterone levels caused by aging.

How does AAD work in the production of Testosterone?

D-Aspartic Acid acts as a specialized neurotransmitter in those parts of the nervous system involved in the production of hormones. What does this lead to? An increase in the production of gonadotropin-releasing hormone (GnRH).

This action increases the synthesis and release of luteinising hormone (LH), prolactin releasing factors (PRF) and follicle-stimulating hormone (FSH). These are all hormones that are transported to the testicles via the hypothalamic-pituitary-tissue pathway.

Once they reach the testes, both LH and FSH are exerted inside the Leydig cells (cells within the testes that specialise in the production of testosterone) to accommodate the synthesis of this hormone.

How AAD work in the production of Testosterone

The luteinising hormone (LH) acts as a “chemical messenger“, travelling from the pituitary gland to the testicles, where testosterone production is “activated”.

D-Aspartic Acid plays an essential role in the production and secretion of hormones, as well as in the functioning of the nervous system. In addition, it improves the production of LH, and has also been shown to have a stimulating effect on growth hormone (GH).

What do the studies say about this?

This study shows how supplementation with D-Aspartic Acid confirms the relationship between this amino acid and hormone regulation and signalling on the luteinizing hormone and testosterone.

For this reason, we can state that Aspartic Acid has the capacity to improve testosterone levels in men with low basal levels.

Study of aspartic acid

Raising Testosterone is possible

A study carried out in “Reproductive Biology and Endocrinology” showed that men aged 27-37, who received a daily supplementation of 3.12 g of D-Aspartic Acid for 12 consecutive days, experienced an increase of around 40% in testosterone.

After three days of not taking the supplement, their free testosterone levels were reduced by 10%. This means that testosterone is a substance that accumulates in the body and slowly decreases once supplementation stops.

Experts believe that this is an advantage for the athlete, as the study suggests that hormone levels are gradually, rather than drastically, returning to normal.

Think that, from a training perspective, this would allow your body to create the compounds that help increase muscle growth, power, strength and energy. Moreover, the results of this study are particularly important for those who wish to improve their sporting potential, as well as their physical condition, from the growth of non-fat tissues.

Another study, involving overweight men supplemented with AAD + vitamin D3, showed mixed results. Although some did not show a hormonal increase, it was found that those with low testosterone levels experienced a 20% increase.

Sometimes there are no results

However, contrary to what we have been saying, in the following study no effects were observed at the outcome level. The difference with the 12-day study at a dose of 3.12 g AAD, in which positive changes were seen, was that the participants in this study left with higher testosterone levels, based on baseline measurements.

Increased fertility, an added benefit

The study which is shown below, included 60 participants ranging from 18 to 44 years of age. It was found that a daily supplementation of 2.66 g of D-Aspartic Acid for 90 days in infertile men was able to increase serum testosterone concentrations (30-60%), with an increase in seminal count, which ranged from 60 to 100%, and seminal motility in a similar proportion.

This group of infertile men, who were supplemented with AAD, achieved greater fertility, as success would later be reported in 26.6% of conceptions.

See the Top 10 Foods to Increase Testosterone.

What is the recommended daily dose?

As with any other supplement, it is essential that you respect the dosage recommended by specialists, when you start taking D-Aspartic Acid.

In particular, the recommended dose of AAD ranges from 2000-3000 mg/day.

There are numerous studies, each of which reveals various supplementation protocols, which agree that a dose of 3000 mg of D-Aspartic Acid for 12 consecutive days, followed by a week’s rest, would be the most efficient way of taking this supplement.

However, other studies suggest that a dose of 2000 mg a day taken continuously, without breaks, produced no side effects. Obviously, there are factors which affect optimal doses, including diet, hydration status, activity level, sex, age or state of health.

Recommended dose of AAD

Does this amino acid have side effects?

Because D-Aspartic Acid is a substance that the body produces, a positive tolerance to this amino acid is predictable. However, it is recommended not to exceed the recommended amounts, as there is hardly any evidence related to too high doses.

In some cases, the supplementation with AAD causes some headache, liquid retention or nausea, in a temporary and light way.

The results of some of the studies show that, after 90 days of supplementation, no altered values or signs that D-Aspartic Acid may produce any undesirable effects are observed in the results of any analyses. Despite this, more studies are needed to provide complete information on this subject.

In any case, and given the lack of information, it is not recommended that people with liver or kidney disease, as well as pregnant women, ingest too much of an amino acid on which there is still much research underway. Those suffering from epilepsy, brain or ischemic lesions and Alzheimer’s disease should also be careful with their intake.

At HSN we recommend that you visit your doctor’s surgery before starting to take any supplements.

See here the most synergetic combinations

As an integral part of the Natural Anabolic Supplements that is D-Aspartic Acid, you can combine it with other types of product.

We leave you a mini-list of those with which it acts in synergetic combination!

  • Epicatechin
  • ZMA
  • Testofen
  • Ashwagandha

Buy the best Aspartic Acid

Here’s a suggestion: You can buy Aspartic Acid D in powder format, without excipients and with 100% pure product, in Raw Series Series. Drink it with your pre-workout drink and you will enhance the hormonal environment, induced by the stimulation of physical activity itself.

Aspartic Acid D is a high quality, easy to dissolve product, whose results are spectacular when combined with a proper training and nutrition programme, and at the most competitive price on the market!

In line with all the above, there is little doubt about the close relationship between Aspartic Acid D and increased testosterone. If there is still something that worries you about this issue, you can consult us as often as you need, we are waiting for you!

Review D-Aspartic Acid

Quality/Price Ratio - 100%

Dissolution - 100%

Easy to Take - 100%

Results - 100%

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HSN Evaluation: 4.5 /5
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About Melanie Ramos
Melanie Ramos
Melanie Ramos uses the HSN Blog to share the latest information and content, so that all those readers who want to learn.
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