Negative Effects of Aspartic Acidity - Nutrition | NoahStrength.com (2024)

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Guide to D-Aspartic Acid (DAA) eSupplements.com.
http://www.esupplements.com/article/d-aspartic-acid-benefits/

Does D-aspartic acid actually work? ►►Check out my evidence-based review: https://goo.gl/oEwWs7.
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I’m Mo Saleem, and today, I’m going to share with you my evidence based review on D-AA and whether it is actually a proven in scientific research to boost testosterone levels in men..
0:14 What is D-Aspartic Acid?
D-AA is an alternate form of the amino acid asparate. Amino acids are the building blocks of protein and asparate is one of the 20 main structural amino acids..
D-AA is naturally present in a region of the brain known as the pituitary gland. The pituitary is what triggers the production of anabolic hormones, which is why D-aspartic acid is theorized to boost testosterone..
0:40 D-aspartic acid and testosterone:
D-AA has been shown to increase the production of GnRH, which is a precursor for LH, which is a precursor for testosterone. Animal studies show that rats injected with D-AA increased testosterone levels by 300%..
1:08 D-aspartic acid benefits for men:
Although animal research shows that D-AA can boost testosterone, in this video I’m gonna focus on the 5 published scientific studies that were performed in humans..
1:23 Study #1:
43 healthy men were randomly assigned to ingest either 3.12 grams of d-aspartic acid or placebo. After 12 days of treatment, the men receiving D-aspartic acid increased their testosterone levels by 42%..
1:54 Study #2:
20 resistance-trained men were brought in and given a daily dose of 3g of D-aspartic acid for 28-days. During this time they were also put on a 4-day/week resistance-training program. When comparing the before/after results, researchers found that D-AA supplementation failed to have an influence on testosterone..
2:38 Study #3:
60 infertile men were brought in and given a daily dose of 2.66g of D-AA for 90 days after which the men experienced significant improvements in parameters of sperm quality. Testosterone levels increased by 30-60%..
3:20 Study #4:
15 healthy men were randomly assigned to receive a daily dose of either 3g of D-AA or placebo for 14-days. The D-AA group experienced minor increases in their 1 rep max on the squat and bench press, but testosterone levels remained unchanged..
3:59 Study #5:
In this final study, 24 resistance-trained men were randomly assigned to ingest a daily dose of either 3g of D-AA, 6g of D-AA, or placebo for 4-weeks. During this time the subjects were also put on a 4-day/week resistance-training program..
Results revealed that the subjects given 6g of D-AA actually experienced a 12.5% decrease in total testosterone and a 15.3% decrease in free testosterone. The subjects given 3g of D-AA experienced a 0.7% decrease in total T and a 2% decrease in free T. Placebo experienced the best results whereby their total testosterone elevated by 0.7% and free testosterone elevated by 9.4%..
5:31 Summary of research on D-AA and testosterone:
Of these 5 studies, only 2 found that D-AA supplementation actually increases testosterone. The first was only performed over 12-days so we can’t be sure whether the results carry over the long term. And the second was performed in infertile men, so we can’t be sure whether the same effects carry over in otherwise healthy men as well..
D-Aspartic acid is NOT a proven testosterone booster..
6:03 D-aspartic acid bodybuilding benefits:
Based on the research, D-AA supplementation either has no effect on athletic performance or minor increases in muscle and strength..
6:15 Other d-aspartic acid benefits:
D-AA seems to be very effective for infertile men in the case of increasing their sperm volume, motility, as well as testosterone levels..
6:42 D-aspartic acid side-effects:
If you stay within the recommended dose of under 4g, you shouldn’t experience any side-effects. But if you exceed that dose then according to WebMD some reported side effects are acne, digestive issues, irritability, mood changes, and headaches..
6:59 In conclusion:
Although d-aspartic acid is a popular ingredient in testosterone boosters, but popularity doesn’t automatically translate to effectiveness..
This is why my advice is always to focus on diet and lifestyle changes before focusing on supplements. Some supplements can help, but diet and lifestyle always come first..
If you liked my evidence based review on d-aspartic acid and testosterone, like the video, share it, tell other people about it because I want to help everyone. Of course, subscribe to the page or to the channel and if you have any questions or comments on how to naturally optimize your testosterone levels, leave a comment below with your questions, I’ll answer them and give you even more tips. Thank you for watching.

Testosterone is a well-known hormone that’s responsible for muscle building and libido..
Because of this, people of all ages are looking for natural ways to increase it..
One popular method is to take the amino acid D-aspartic acid as in a dietary supplement..
In this video we’re looking at what it is and whether it increases testosterone..
Further reading: https://www.healthline.com/nutrition/d-aspartic-acid-and-testosterone.
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Studies mentioned:
STUDY 1: https://www.ncbi.nlm.nih.gov/pubmed/19860889.
STUDY 2: http://www.scirp.org/journal/PaperInformation.aspx?paperID=24016.
STUDY 3: https://www.ncbi.nlm.nih.gov/pubmed/24074738.
STUDY 4: https://www.ncbi.nlm.nih.gov/pubmed/25844073.
STUDY 5: https://www.ncbi.nlm.nih.gov/pubmed/28841667

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Refferences:
1. https://www.ncbi.nlm.nih.gov/pubmed/18642934.
2. https://www.ncbi.nlm.nih.gov/pubmed/10744627.
3. https://www.ncbi.nlm.nih.gov/pubmed/17118457.
4. https://www.ncbi.nlm.nih.gov/pubmed/19860889.
5. http://www.scirp.org/journal/PaperInformation.aspx?paperID=24016.
6. https://www.ncbi.nlm.nih.gov/pubmed/24074738.
7. https://www.ncbi.nlm.nih.gov/pubmed/25844073.
8. https://www.ncbi.nlm.nih.gov/pubmed/24074738.
9. https://www.ncbi.nlm.nih.gov/pubmed/25844073.
10. https://www.ncbi.nlm.nih.gov/pubmed/28841667.
��Increasing Testosterone With D-Aspartic Acid Research Reveals The Truth.
Today I’ll quickly discuss.
What it is.
The results in men who exercise and those that don’t, including my own personal experience..
The Correct dose.
How to make it work better and improve results..
What Is D-Aspartic Acid.
First, a quick background..
Almost every amino acid can occur in two different forms. For example, aspartic acid can be found as L-aspartic acid or D-aspartic acid. The forms have the same chemical formula, but their molecular structures are mirror images of each other.
L-aspartic acid is produced in nature, including in your body, and used to build proteins. However, D-aspartic acid isn’t used to build proteins. Instead, it plays a role in making and releasing hormones in the body.1-2.
This includes the increase in testosterone production and release in the testicl*s.3.
And thus, why many companies sell D-Aspartic acid as a testosterone booster. So far, so good..
My Personal Experience With It.
When I found out about D-Aspartic acid years ago and it started getting popular, I decided to give it a try. Even though I’m a doctor, I’m still like everyone else. A new supplement comes out, I go give it a try and I experiment a lot with it..
And when it first came out, it was fairly expensive..
Clinical Studies & Results.
So, let’s look at the clinical studies with D-Aspartic acid. Unfortunately, it’s all over the place with mixed results..
For example, in one 12 DAY study, 20 out of 23 men saw an average increase in testosterone by 24%.4 But the study didn’t give the dose used and it was with men who don’t exercise. It didn’t give age either. So for me, this is a poor study..
In another study that lasted 90 days, with men aged 37-43, who had sub-fertility and low sperm production, the D-aspartic group experienced over a 30% increase in testosterone.5 Which is good, but keep in mind this is NOT with guys who exercise and have normal fertility..
In fact, one study found NO increase in testosterone in men who performed weight training and took D-aspartic acid for 28 days.6.
What’s more, another study found that two weeks of taking a high-dose supplement of 6 grams per day actually decreased testosterone in young men who weight trained.7.
Summary On Testosterone:
Based on the studies, D-aspartic acid may increase testosterone levels in inactive men. However, it has NOT been shown to boost testosterone in men who weight train..
Weight Training Results.
One assumes that an increase in testosterone, will also build more muscle and increase strength..
However, studies have shown that men performing weight training experienced no increases in testosterone, strength or muscle mass when they took D-aspartic acid supplements.8-10.
One study found that when men took D-aspartic acid and weight trained for 28 days, they experienced a 2.9-pound (1.3-kg) increase in lean mass. However, those in the placebo group experienced a similar increase of 3 pounds (1.4 kg) 8.
What’s more, both groups experienced similar increases in muscle strength. Thus, the D-aspartic acid didn’t work any better than the placebo in this study..
A longer, three-month study also found that men who exercised experienced the same increase in muscle mass and strength, regardless of whether they took D-aspartic acid or a placebo..
The Problem With Testosterone Boosters.
As I’ve stated in the past, you can’t simply increase your testosterone levels and expect it to stay that way. This is because your body has “checks and balances”..
=­.
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D-Aspartic Acid Studies.
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D-aspartic acid (D-AA) is an amino acid regulator of testosterone synthesis and may act on a stimulatory receptor (NMDA). D-AA shows promise in aiding male fertility. Healthy men supplementing D-AA experience only temporary increases in testosterone, which limits its use..
D-AA works in the central brain region to cause a release of hormones, such as luteinizing hormone, follicle-stimulating hormone, and growth hormone. It may also build up in the testicl*s, where it alleviates a rate-limiting step of testosterone synthesis, which leads to a minor testosterone increase. (Examine.com).
Studies:
https://www.ncbi.nlm.nih.gov/pubmed/10744627.
https://www.ncbi.nlm.nih.gov/pubmed/18642934.
https://www.ncbi.nlm.nih.gov/pubmed/17118457.
https://www.ncbi.nlm.nih.gov/pubmed/8699926.
https://www.ncbi.nlm.nih.gov/pubmed/24074738.
https://www.ncbi.nlm.nih.gov/pubmed/19860889.
https://benthamopen.com/ABSTRACT/TONUTRAJ-8-43.
https://www.ncbi.nlm.nih.gov/pubmed/25844073.
Also, thanks to Examine.Com & HealthLine.com.
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