Benefits and uses of aspartic acid in sport

The many benefits associated with maintaining adequate testosterone levels are well known, not only among regular bodybuilding or fitness enthusiasts, but also in men with hormonal imbalances or hormone-related conditions.

• It may be that, if you have ever been asked about this supplement, your answer was limited to “it is good for increasing muscle mass and speeding up recovery after training”.

But the truth is that D-Aspartic Acid (DAA) deserves a more in-depth analysis: its potential effects go further, and it is worth being informed about its limitations, indications and when its use may make sense.

What is D-Aspartic Acid (DAA) and why is it linked to testosterone?

DAA is the “D” version of an amino acid, different from the usual “L-aspartic” form found in the body’s proteins. This difference is more than structural: while L-aspartic acid participates in protein synthesis, DAA has mainly neuroendocrine functions.

More specifically, DAA has been observed to be able to intervene in the hypothalamic-pituitary-testicular axis — the system that regulates sex hormones — facilitating the release of hormonal signals such as luteinising hormone, LH, which then stimulate cells in the testicles to produce testosterone.

That is why many supplements aimed at hormonal health and performance include DAA: based on the hypothesis that it could support natural testosterone production.

Main benefits of D-Aspartic Acid

1. Increased testosterone levels: in some studies in men with low or moderate testosterone levels, especially if they do not usually train, an increase in testosterone was observed after a few days of supplementation.
2. Improvement in male fertility parameters: in some studies involving men with fertility problems, DAA supplementation was associated with an increase in sperm concentration and motility, suggesting a possible benefit for seminal quality. This makes it a supplement of interest for those looking for natural support for reproductive health.
3. Potential improvement in libido, energy or vitality: if DAA manages to increase testosterone in people with low levels, this hormonal rise could translate into subjective improvements such as greater sexual desire, improved mood or a general sense of wellbeing.
4. Potential support for hormonal balance in situations of imbalance: as DAA acts on the hormonal axis — hypothalamic-pituitary-gonadal — it could make sense in contexts of imbalance, deficiency or a decline in natural testosterone — age, sedentary lifestyle, certain conditions. In these cases, its use could favour a “normalisation” of endogenous hormone levels, although without any guarantee of spectacular effects.

Who could really benefit from D-Aspartic Acid?

• Men with low or suboptimal testosterone levels — due to age, pathology, sedentary lifestyle, etc.
• People with fertility concerns, as a supplement, although always under medical supervision.

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Would you like a suggestion? You can buy D-Aspartic Acid in powder format, with no excipients and 100% pure product, from RawSeries Series. Take it together with your pre-workout drink and you will enhance the hormonal environment induced by the stimulation of physical activity itself.

D-Aspartic Acid is a high-quality product that dissolves easily, with spectacular results if you combine it with a proper training and nutrition programme. And at the most competitive price on the market! Visit the category in our online store to discover all the options.

What is the recommended daily dose?

As with any other supplement, it is essential that you follow the dose recommended by specialists when starting to take D-Aspartic Acid.
Specifically, the recommended dose of DAA ranges from 2000-3000 mg/day.

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

However, other studies point towards taking a dose of 3000 mg daily on a continuous basis, without taking breaks. Obviously, there are factors that affect optimal doses, including diet, hydration status, activity level, sex, age or health status.

Does this amino acid have side effects?

D-Aspartic Acid (DAA), being a substance naturally present in the body, is usually well tolerated. Supplementation with DAA is generally safe, although there are not enough studies on the effects of very high doses.

• In some cases, mild and temporary side effects may appear, such as headache, fluid retention or nausea. Studies of up to 90 days have not shown analytical alterations or serious adverse effects.

However, people with liver or kidney problems, pregnant women, or those with epilepsy, brain injuries or Alzheimer’s should be cautious. It is always recommended to consult a doctor before starting supplementation.

Bibliography

• Topo, E., Soricelli, A., D’Aniello, A., Ronsini, S., & D’Aniello, G. (2009). The role and molecular mechanism of D-aspartic acid in the release and synthesis of LH and testosterone in humans and rats. Reproductive Biology and Endocrinology, 7(120). https://www.ncbi.nlm.nih.gov/pubmed/19860889
• Zhang, W., et al. (2014). Effects of D-aspartic acid supplementation on serum testosterone levels in infertile men. Scientific Research Publishing. http://www.scirp.org/journal/PaperInformation.aspx?paperID=24016
• Fouad, A. A., & El-Demerdash, E. (2010). Effects of D-aspartic acid on reproductive parameters in male rats. Biology of Reproduction and Endocrinology. https://www.ncbi.nlm.nih.gov/pubmed/19860889
• Matsumoto, A. M., et al. (2013). D-aspartic acid supplementation does not significantly increase serum testosterone in resistance-trained men. Journal of the International Society of Sports Nutrition. https://pubmed.ncbi.nlm.nih.gov/28841667
• Additional review: Healthline. D-Aspartic Acid and Testosterone: Effects, Benefits, and Safety. https://www.healthline.com/nutrition/d-aspartic-acid-and-testosterone

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