What Is EF13?
EF13, also known as Explosive F13, is an all-natural supplement created by EF13. It is comprised of a proprietary blend of three key active ingredients: L-Arginine, L-Norvaline, and Citrulline Malate. This specific blend of amino acids is specially formulated just for men. It is also specifically designed to enhance workouts as well as results for athletes and bodybuilders alike. Whether one’s fitness goals are to build muscle, create a lean physique, improve sports performance, or something entirely different, this supplement has a variety of ingredients that can provide numerous benefits to athletes:
- Increase muscle mass
- Workout harder
- Last longer during workouts
- Intensify muscle pump
- Enhance vascularity
- Avoid fatigue during and after workouts
- Improve focus and concentration
- Better blood flow
EF13 stands out among bodybuilding supplements because of the quality of its ingredients. This supplement boasts that it is completely natural. Each of its active ingredients are all naturally occurring amino acids. This muscle supplement does not contain any chemicals or additives nor does it contain any low-quality ingredients. All of the ingredients have been studied extensively, tested, and proven to give amazing results without the risk of harmful side effects.
Despite the reassurance that anyone who takes EF13 does not have to worry about adverse side effects due to the quality of the supplement’s ingredients, there are some inherent characteristics of the supplement’s ingredients that all users should be made aware of. There are negative effects that may arise from the supplement’s vasodilation mechanism. High concentrations of nitric oxide in the body can lead to brain damage. While reduced blood pressure is often a positive effect, in some, reduced blood pressure is perhaps drastic and can cause conditions such as fatigue, dizziness, lightheadedness, and nausea.
Any sports or fitness enthusiast knows that L-Arginine has long been hailed as one of the top amino acids preferred by bodybuilders and athletes. It has the ability to increase blood flow to the areas of my body that need nutrients the most during a strenuous workout or training session. EF13’s other key component Citrulline Malate, on the other hand, is definitely a new kid on the block in the world of bodybuilding supplements. What’s more, Citrulline Malate has long been touted for its ability to combat fatigue.
EF13 is unique because it has the benefit of a well-studied amino acid like L-Arginine that bodybuilders know and trust. Yet its creators had the foresight to include Citrulline Malate, a newcomer to the world of muscle supplements, whose preliminary studies suggest that its benefits may even surpass that of its predecessors. By combining these two key amino acids, as well as a third, this is a muscle supplement that is poised to become a staple for athletes and bodybuilders around the world.
Manufacturer
EF13’s namesake as well as its manufacturer is a company known as EF13. EF13 is currently based in the United States of America. It is a commercial enterprise that specializes in selling beauty and health products. Currently, this manufacturer is known for its sale of supplements. They develop top-quality, all-natural products that are exclusively available to bodybuilders, athletes, and fitness enthusiasts throughout the United States.
Backed by scientific data and knowledge of health and fitness, EF13 is able to develop, market and sell elite dietary supplements. EF13 has garnered success by improving upon the tried and true formula for weight loss and building muscle: diet + exercise. Their three-step approach to fitness includes supplements in addition to working out and maintaining a healthy diet. EF13’s business and products help individuals to achieve their performance and fitness goals safely and efficiently.
How EF13 Works?
This is a muscle supplement that works primarily through its three active ingredients, L-Arginine, L-Norvaline, and Citrulline Malate. The supplement’s primary mechanism for increasing muscle pump and stamina is vasodilation caused by increased production of a crucial molecule – nitric oxide. All three of the supplement’s active ingredients contribute to the heightened production of nitric oxide. In the body, citrulline is converted into arginine, and arginine is then converted into nitric oxide. The production of nitric oxide is regulated in the body by the enzyme arginase, but L-Norvaline inhibits arginase, allowing unrestricted production of nitric oxide.
The abundance of nitric oxide leads to increased dilated blood vessels that cause an increase in blood flow throughout the body. More specifically, vasodilation allows more blood to be circulated to the muscles that are hard at work during intense workouts. Increasing blood flow to those critical areas supplies the active muscle groups with oxygen and the vital nutrients they need. Not only does this maximize the nutrients available to feed the body’s muscles, but it also increases stamina and endurance, allowing athletes to work out at a greater intensity for longer periods of time.
EF13 also works by stimulating the increased production of hormones like insulin and growth hormone. This is done in large part through L-Arginine. The increase in growth hormone causes the cell renewal process to occur much more rapidly. For bodybuilders looking to build muscle, this is key because these active ingredients work to help rebuild muscles that are broken down after intense exercise. Consequently, this supplement works best when taken approximately 30 minutes prior to a workout or training session. This timing allows the supplement adequate time to absorb into the system thus providing maximum benefit to the user.
Ingredients of EF13
This supplement’s critical components are a proprietary blend of amino acids, and there are namely three active ingredients at play:
L-Arginine
L-Arginine is a naturally occurring, non-essential amino acid used to build proteins within the human body. L-Arginine is useful to athletes in several ways. It converts into nitric oxide, causing vasodilation. Vasodilation is the process by which blood vessels are dilated or opened, increasing blood flow to important muscle groups. It is also a necessary component for synthesizing creatine, which supplies energy for muscle contractions.
L-Arginine is also known to stimulate the release of key hormones such as insulin and growth hormones. Increased insulin production yields increased energy, resulting in improved performance and stamina. L-Arginine has also been cited as treating or lowering the risk of health conditions such as heart attack, congestive heart failure, arteriosclerosis, dementia, inflammation, high blood pressure, muscle pain, kidney function, and many more.
L-Norvaline
L-Norvaline is another amino acid that increases vasodilation within the human body. Accordingly, it is an effective treatment for those with high blood pressure. Studies have shown it is also active during tissue regeneration and muscle development. Like L-Arginine, L-Norvaline works by increasing the production of nitric oxide.
What’s more, L-Norvaline actually prolongs the effects of L-Arginine. It does so by restricting inhibitors that work to stop nitric oxide production. The result? Nitric oxide is produced without inhibition. The resulting vasodilation supports increased blood flow and consequentially, there is enhanced nutrient transport throughout the body and increased muscle pump.
Citrulline Malate
Citrulline Malate is a supplement that combines citrulline, a non-essential amino acid found in melons, and Malate, a salt compound derived from apples used to stabilize citrulline in the body. Long before Citrulline Malate was used as a workout supplement, it was advertised as a supplement for anti-fatigue, treating both mental and physical fatigue.
Citrulline is produced in the body in two ways: First, it is produced during the urea cycle. Second, it is produced as a by-product when arginine is converted into nitric oxide. Naturally, increased citrulline causes increased arginine. And in turn, increased arginine causes increased nitric oxide, once again resulting in increased blood flow and muscle pump. Malate is thought to have anti-fatigue properties and decrease lactic acid buildup, meaning increased endurance for bodybuilders and athletes.
This supplement also contains ingredients derived from herbs readily found in the United States. These ingredients are Curcumin, Gelatin, Stearate, Chrysin, Beta alanine, Diindolylmethane, Indole-3 carbinol. Additional ingredients found in this supplement facilitate the function of the supplement once in the body. These ingredients include, but are not limited to, silica, phosphorus, glutarate, and magnesium.
Advantages
One of EF13’s biggest selling features is that it is all natural; it does not contain any chemical additives or fillers. Its three active ingredients, L-Arginine, L-Norvaline, and Citrulline Malate, are naturally occurring amino acids. Better yet, the supplement is not made from low quality ingredients, which can contribute to adverse side effects in people taking the supplements. As a result, any user can take the supplement free from any worries of harmful effects.
Another plus for this supplement is that its active ingredients are all well known amino acids within the athletic and scientific communities. These ingredients have been studied extensively with regard to their benefits to members of the fitness community as well as their benefits to overall health and well being. Science has shown us that these ingredients work in tandem to lower blood pressure, increase blood flow, and contribute to muscle growth.
Certificates
EF13 currently has no certifications available. It is categorized as a dietary supplement. As such, the Food and Drug Administration (FDA) is not required to approve of its production or sale. Neither does the supplement have to be proven safe according to FDA standards prior to entering the market. Instead, the manufacturer is only required to ensure that its own product is safe and that it does not make any false or misleading claims. The FDA does police the safety of this, and any other, supplement. EF13 is responsible for reporting any harmful events reported to the FDA.
Testimonials
EF13 is great for bodybuilders. I have not tried any other supplement that can get me the serious pump I always expect to see after a workout. The first time I used the supplement, I could not believe the results. It seemed like my energy and pump just kept going and going. It was not a fluke. I get those same effects every time. So far, so good. I can honestly say I have had zero complaints. I love it!
– Mike P., New York, NY
As a personal fitness trainer, my clients are always asking me to recommend products such as supplements. I tried EF13 and started seeing results immediately, so I decided to start sharing it with my clients. I can recommend it to my clients no matter what their fitness goals are. Using this supplement doesn’t depend on whether my clients are in their bulking or cutting phase or my clients want to either build muscle mass or expose their lean muscle tone. I typically recommend the free trial to them because they can try the supplements before they decide to commit to a membership or subscription to buy the pills on a regular basis.
– Jeff K., Chicago, IL
EF13 is such a great supplement. I have tried quite a few different products over the years, and this definitely a good one. It’s probably one of the best ones I have tried. I have noticed that I can last way longer during my workouts than I could when I was not taking any supplements at all. I can get in more reps at my max weight than I could before. On the days when I finish my workout with a HIIT routine, I definitely don’t feel as tired, so I get more out of those quick cardio sessions.
– Jim D., Boston, MA
This supplement is perfect for people like me that are into crossfit. I have taken different supplements in the past, and this is one of the better ones for me. It helps me get through the brutal training classes a lot more easily than I could without it. Crossfit is all about speed, stamina, and strength. The biggest benefit is I haven’t had any side effects like I have had in the past from other supplements. Whether you are a new or a seasoned athlete, I would absolutely recommend it.
– Tyler R., Seattle, WA
I have always been skeptical when I hear people talking about some new supplement because most are about on par with all the other supplements already out there. Someone I know mentioned EF13 one day, so I looked it up. I did my research about it and the ingredients, and I found some good science behind the ingredients. So I got the free trial and have not been disappointed at all. I have been making some serious gains ever since.
– Martin R., Jacksonville, FL
I used to be a pretty hard-core fitness enthusiast. I spent hours and hours in the gym trying to build muscle and get that shredded look. I don’t have the time like I used to have that I can spend training in the gym like I really want to. So when I do go to the gym, I need to make it count. Since taking EF13, I have seen noticeable changes in my appearance and muscle mass even though I don’t work out nearly as often as I used to.
– Jason D., Columbus, IN
Awards & Media Coverage
Across the Internet, EF13 has been met with favorable reviews and comments. This is a relatively new supplement, and already it has been featured on various fitness blog sites. These bloggers often try the supplement then provide a review detailing their experience while taking the supplement. In this way, these websites are able to offer in-depth, first-hand coverage of the supplement.
Money-back Guarantee
The manufacturer EF13 does not provide purchasers a money-back guarantee. In lieu of a money-back guarantee, the company does, however, allow those who wish to try the product to take advantage of a 30-day trial. During that time, the customer may evaluate the supplement over a two-week period. If the customer does not like the product, the customer can simply call customer support before the trial period ends and request to return the unused product. Purchasers should note that shipping costs are not refundable.
Shipping
When a customer orders a free trial of EF13, shipping is available for a one-time fee of only $4.95. All shipments are mailed via the United States Postal Service First Class. All orders are shipped within 2 to 4 business days. Please note shipments are not sent on weekends and holidays. The company does not guarantee shipment arrival dates or times. However, shipments generally arrive within 1 to 4 days depending on your region.
Customer Support
EF13 has its customer support center based exclusively in the United States. Customer support is available toll free at 877-959-8975. Their customer service representatives are available Monday through Friday from 9 AM until 6 PM Central Standard Time and on Saturdays from 11 AM until 4 PM Central Standard Time. Customer support is closed on Sundays as well as New Year’s Day, Easter, Thanksgiving, and Christmas.
Customer support can also be reached via mail at the following address:
7565 Commercial Way, Unit E
Henderson, NV 89011
Additionally, customer support is available via e-mail.
Safe & Secure Checkout
Checkout is safe and secure. The company ensures that it is dedicated to the security of all of the data and information customers input on its website. The company states that it uses, at a minimum, the Secure Sockets Layer (SSL) protocol and 128-bit encryption. Customer information is further protected by EF13’s physical, electronic, and managerial procedures. Electronically, all customer information is secured by a secure 265-bit encrypted connection. Online data security and malware protection is also authenticated by McAfee Secure, TRUSTe, and Norton Secured.
Pricing & Free Trial
Those that wish to try EF13 may order a 30-day supply of the supplement. This offer is limited to United States residents, there is limit of one trial bottle per person, and only 250 free trial bottles are given per day. At the time of the initial order, the purchaser is only responsible for paying the flat rate shipping fee of $4.95. The trial period itself is only 18 days. The 18-day trial period begins on the day the purchaser submits his trial membership application online via the website. It includes 14 days to try the supplement and 4 days for the arrival of the supplement.
If a customer wishes to cancel the trial, he must do so on or before the 18th day of the trial period. After the trial has ended, the supplement is available to purchase on a subscription basis. If a customer does not call the company to cancel during the trial period, he will automatically be charged a subscription fee of $99.95 for the first month’s supply. After the first 30 days, subscribers will be charged a recurring fee of $99.95 on a monthly basis until the customer cancels by phone.
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