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In the world of nutritional supplements, Swole AF is a leading brand known for its high-quality products. One of their popular offerings is 4-Andro, a prohormone that has gained significant attention in the fitness community. But what exactly is 4-Andro? Is it a steroid? How does it work, and is it safe to use? In this comprehensive guide, we will delve deep into the world of 4-Andro, exploring its benefits, potential side effects, dosage recommendations, and much more. So let's get started and unlock the secrets of this powerful supplement.

Limited Quantity in Stock - Product Discontinued so Once Gone they are Gone

Free Swole AF Shaker Cup with each order. Your shaker cup will be added when shipped and no need to add anything during checkout.

Buying Guide

  1. Anabolic Prohormone Buying Guide - Discover the best legal prohormones, sourced from plants and safer than banned alternatives. Navigate the history, legalities, and top brands like Hi-Tech, LG Sciences, EPG, and Innovative Labs. Achieve your bodybuilding goals safely and effectively.

Where to Buy 4-Andro Swole AF

If you're looking to buy 4-Andro Swole AF, one reliable option is Racer Ephedra is a trusted source for non-mainstream weight loss products, providing high-quality information and products that you can rely on.

Before we delve into where to buy 4-Andro, let's take a moment to understand what prohormones are. Prohormones are compounds that are converted into hormones by the body through a series of enzymatic reactions. In the case of 4-Andro, it is a prohormone of testosterone.

It's essential to note that 4-Andro is not a steroid itself but a precursor to testosterone. Steroids, on the other hand, are synthetic versions of testosterone or other hormones. Prohormones like 4-Andro can help support natural hormone production in the body and may have an impact on muscle growth, strength gains, and overall performance.

Now, let's get back to the question at hand - where to buy 4-Andro Swole AF. Racer Ephedra offers a range of prohormones, including 4-Andro, that can help you achieve your fitness goals. They prioritize providing high-quality products that you can trust, so you can rest assured that you're getting a reliable and effective product.

When buying any supplement or prohormone, it's crucial to ensure that you're purchasing from reputable sources. Racer Ephedra has built a solid reputation in the industry for their commitment to quality and customer satisfaction.

Purchase Prohormones

To make your purchase, simply visit and browse their selection of prohormones. You'll find detailed product descriptions and information to help you make an informed decision. Once you've selected your desired product, proceed to the checkout and follow the instructions to complete your purchase.

Keep in mind that before starting any new supplement or prohormone regimen, it's always recommended to consult with a healthcare professional or your doctor. They can provide personalized advice based on your specific health needs and goals.

Explicitly, if you're looking to buy 4-Andro Swole AF, consider purchasing it from Racer Ephedra is a trusted source for non-mainstream weight loss products and offers high-quality information and products that you can trust. Remember to consult with a healthcare professional before starting any new supplement regimen. Good luck on your fitness journey!

Brand Review

  1. Swole AF Supplements - Welcome to Swole AF Supplements, where excellence meets results. Our high-quality nutritional supplements are the secret weapon for fitness enthusiasts and bodybuilders alike. From enhancing workouts to building muscle and achieving weight loss goals, Swole AF has got you covered. Unleash your inner beast with Swole AF Supplements and experience the difference that sets us apart from the rest.

Alternative Products

  1. Andriol - Elevate your vitality with Andriol by Hi-Tech Pharmaceuticals. This revolutionary testosterone aid boosts mood, libido, and muscle mass with its unique 4-androsten-3β-ol-17-one Undecanoate compound. Andriol ensures maximum bioavailability and bypasses liver metabolism for optimal results. Perfect for year-round use, achieve significant strength gains effortlessly.

1. What is 4-Andro?

Understanding Prohormones

Before we dive into the specifics of 4-Andro, let's first understand what prohormones are. Prohormones are compounds that are converted into hormones by the body through a series of enzymatic reactions. In the case of 4-Andro, it is a prohormone of testosterone.

Prohormones gained popularity in the fitness industry as an alternative to anabolic steroids. They are marketed as a way to enhance muscle growth, strength, and performance without the legal and health risks associated with illegal steroids.

Differentiating 4-Andro from Steroids

It's important to note that 4-Andro is not a steroid itself, but rather a precursor to testosterone. Steroids, on the other hand, are synthetic versions of testosterone or other hormones that directly bind to and activate hormone receptors in the body.

While 4-Andro undergoes conversion into testosterone, it does not have the same level of potency as synthetic steroids. This means that the potential side effects and risks associated with 4-Andro are generally milder compared to those of steroids.

4-DHEA Prohormone

The 4-DHEA Prohormone is a topic of interest among individuals looking to enhance their physical performance and muscle growth. To understand its effects and potential benefits, it's important to delve into its mechanism of action and how it is metabolized in the body.

Research has shown that when Tritiated 4-androstene-3,17-dione (also known as 4-DHEA) and testosterone are incubated with submaxillary gland homogenates of male and female rats, the metabolism is primarily reductive. This means that the compounds undergo a reduction reaction, resulting in the formation of different metabolites.

During incubation periods of 15 and 180 minutes, the submaxillary tissue predominantly converts 4-DHEA to androsterone. Androsterone is a metabolite that is derived from the conversion of testosterone as well. It's important to note that testosterone, in addition to being converted to androsterone, is also converted to other metabolites such as 17β-hydroxy-5α-androstan-3-one, 5α-androstane-3,17-dione, 5α-androstane-3α,17β-diol, and 4-androstene-3α, 17β-diol.

Testosterone Converted to DHEA

One interesting finding is that testosterone is converted to 4-DHEA itself. This means that there is a conversion loop between these two compounds, suggesting a complex interplay between them in the body. Moreover, the major testosterone metabolite identified in this study was 5α-androstane-3α,17β-diol.

It's worth mentioning that the information provided here is based on a specific study conducted on rats. While animal studies can provide valuable insights into human metabolism, it's important to note that individual responses may vary. Therefore, further research is needed to fully understand the effects of 4-DHEA Prohormone in humans.

Forthwith, the metabolism of 4-DHEA Prohormone and testosterone involves reductive reactions, resulting in the formation of various metabolites. The primary metabolite identified for 4-DHEA is androsterone, whereas testosterone undergoes conversion to androsterone as well as other metabolites. This information sheds light on the potential effects and pathways of these compounds in the body. However, it's crucial to stay updated with the latest research and consult with a healthcare professional before considering the use of any prohormones or hormone-related supplements for personal use.

2. How Does 4-Andro Work?

Conversion to Testosterone

When you consume 4-Andro, it enters your bloodstream and is transported to various tissues in the body, including muscle cells. Once inside the cells, 4-Andro is converted into testosterone through enzymatic reactions.

The conversion of 4-Andro to testosterone is a natural process that occurs in the body. This increase in testosterone levels can lead to enhanced muscle growth, increased strength, improved recovery, and other benefits associated with higher testosterone levels.

Impact on Muscle Building and Recovery

One of the main reasons why individuals use 4-Andro is its potential to promote muscle growth and aid in recovery. Testosterone plays a crucial role in protein synthesis, the process by which your body builds and repairs muscle tissue.

By increasing testosterone levels, 4-Andro can enhance protein synthesis, leading to greater muscle gains and faster recovery between workouts. This can translate to increased strength, improved athletic performance, and a more sculpted physique.

Best Testosterone Precursor

The question of the best testosterone precursor is a common and important one, especially for men who are looking to increase their testosterone levels. There are many supplements out there that claim to be the best, but it's important to understand the science behind testosterone precursors before making a decision.

One commonly mentioned testosterone precursor is DHEA (dehydroepiandrosterone). DHEA is a hormone that is naturally produced by the body, and it acts as a precursor to testosterone. This means that it can be converted into testosterone in the body.

However, there are some concerns about DHEA supplements in men. One of the main concerns is the belief that testosterone causes benign prostatic hyperplasia (BPH) and prostate cancer. This belief is apparently erroneous, as studies have shown that there is no direct link between testosterone and these conditions.

Another concern is that consuming DHEA supplements in a physiological dose may abnormally raise testosterone levels, potentially leading to BPH or prostate cancer. While it is true that DHEA can increase testosterone levels, this is only the case when pharmacologic doses of DHEA are administered. These doses are far in excess of those required to restore levels to those of healthy young adults.

DHEA Supplements

In other words, if you are taking DHEA supplements at the recommended dosage, it is unlikely that you will experience abnormally high testosterone levels. The key is to follow the recommended dosage guidelines and consult with a healthcare professional if you have any concerns.

That being said, it's important to note that DHEA supplements may not be suitable for everyone. It's always a good idea to talk to your doctor before starting any new supplement regimen, especially if you have any pre-existing medical conditions or are taking any medications.

Markedly, DHEA can act as a testosterone precursor and may help increase testosterone levels in the body. However, concerns about abnormally high testosterone levels leading to BPH or prostate cancer are largely unfounded when taking DHEA at the recommended dosage. As always, it's best to consult with a healthcare professional before starting any new supplement regimen.

Oral DHEA Serum Testosterone

The effects of DHEA on serum testosterone concentrations have been a topic of interest and research for quite some time. Numerous studies have been conducted to understand the impact of DHEA supplementation on both men and women. In this answer, we will focus on the specific question regarding oral DHEA and its effect on serum testosterone concentrations.

To provide a comprehensive answer, let's first look at the available research findings. It has been observed that acute administration of 50 mg of DHEA in young men did not result in an increase in serum testosterone concentrations. Similarly, chronic administration of 150 mg of DHEA per day also did not lead to an increase in serum testosterone concentrations in young men.

Differ Between Men and Woman

Interestingly, the effects of DHEA administration on serum testosterone concentrations seem to differ between men and women. Studies have shown that women experience an increase in serum testosterone concentrations after DHEA administration. For example, Morales et al. found a significant 203% increase in serum testosterone concentrations in middle-aged women after ingestion of 50 mg of DHEA. However, no such effect was observed in men.

It is important to note that these findings are specific to normotestosterogenic men (men with normal testosterone levels). In individuals with low testosterone levels or certain medical conditions, the effects of DHEA administration may differ.

Additionally, it is worth mentioning that higher doses of DHEA have also been studied. Daily doses of 1,600 mg of DHEA did not result in an increase in serum testosterone concentrations. This suggests that increasing the dosage may not necessarily lead to a greater impact on testosterone levels.

Particularly, based on the available research findings, oral administration of DHEA does not appear to increase serum testosterone concentrations in normotestosterogenic men. On the other hand, women have been observed to experience an increase in serum testosterone concentrations after DHEA supplementation. It is important to note that individual responses may vary, and further research is needed to fully understand the effects of DHEA on hormone levels.

3. The Benefits of 4-Andro

Extreme Muscle Fullness

One of the reported benefits of using 4-Andro is the achievement of extreme muscle fullness. This refers to a pumped-up appearance where the muscles appear larger, tighter, and more vascular. This effect is highly sought after by bodybuilders and fitness enthusiasts who want to showcase their hard-earned gains.

Increased Vascularity

Vascularity, or visible veins, is another desired aesthetic effect that many individuals strive for. 4-Andro has been reported to enhance vascularity by increasing blood flow and promoting the dilation of blood vessels. This can give you that "veiny" look, adding to the overall muscularity and definition of your physique.

Boosted IGF-1 and GH Secretion

4-Andro has also been linked to an increase in insulin-like growth factor 1 (IGF-1) and growth hormone (GH) secretion. These hormones play vital roles in muscle growth, recovery, and overall body composition. By stimulating the production of IGF-1 and GH, 4-Andro can potentially amplify the anabolic effects of training, leading to greater muscle gains.

Accelerated Recovery

Intense workouts can take a toll on your body, leading to muscle soreness and fatigue. 4-Andro has been reported to aid in recovery by reducing muscle damage and inflammation. This can help you bounce back faster from intense training sessions, allowing you to train more frequently and push your limits to new heights.

Supplements to Increase Muscle Mass

When it comes to building muscle mass, many people turn to nutritional supplements to help them achieve their goals. But with so many options on the market, it can be challenging to know which ones are actually effective. In this answer, I will discuss the research behind some popular supplements commonly marketed as muscle mass builders.

Let's start with minerals like chromium, vanadyl sulfate, and boron. These minerals have been touted as muscle-building supplements, but the research doesn't seem to support these claims. Several studies have shown that these minerals do not appear to be effective in increasing lean body mass. So if you're looking to build muscle, it may be best to look elsewhere.

Next up is the steroid hormone dehydroepiandrosterone, or DHEA for short. DHEA has gained popularity as a supplement for muscle gain, but the research is not very promising. The few studies that have been conducted on DHEA have not supported the claim of increased muscle mass. So while it may have other benefits, building muscle doesn't seem to be one of them.

Moving on to β-methyl-hydroxy-β-methylbutyrate, or HMB. Preliminary research on HMB suggests that it may have an anticatabolic effect, meaning it could help prevent muscle breakdown. However, it's important to note that there is only one human study currently available on HMB, so more research is needed to determine its effectiveness in increasing muscle mass.

Increase Muscle Mass and Strength

Now let's talk about creatine. Creatine is one of the most popular supplements for muscle building, and for good reason. Research has consistently shown that creatine supplementation can increase muscle mass and strength. It works by providing your muscles with extra energy during high-intensity exercises, allowing you to lift heavier weights and push harder during your workouts. If you're looking for a supplement that has solid scientific evidence behind it, creatine is a great choice.

Protein supplements and amino acids are also commonly used by those looking to increase muscle mass. Protein is essential for muscle growth and repair, so it makes sense that supplementing with protein can help support muscle building. Amino acids, on the other hand, are the building blocks of protein and play a crucial role in muscle synthesis. While protein supplements and amino acids can be beneficial for muscle growth, it's important to remember that they should be used in conjunction with a balanced diet and regular exercise.

Notwithstanding, when it comes to supplements for increasing muscle mass, it's crucial to look at the scientific research behind them. While minerals like chromium, vanadyl sulfate, and boron don't seem to have much impact on muscle growth, creatine has been consistently shown to be effective. HMB shows promise but requires more research, while DHEA hasn't been supported by current studies. Protein supplements and amino acids are also valuable tools for supporting muscle growth when used appropriately. Remember, always consult with a healthcare professional before starting any new supplement regimen to ensure they are safe and suitable for your individual needs.

4. Potential Side Effects of 4-Andro

While 4-Andro is generally considered safe when used as directed, it's important to be aware of potential side effects that may occur. It's worth noting that individual responses can vary, and not everyone will experience these side effects. However, it's crucial to be informed and listen to your body during supplementation.

Hormonal Imbalance

As 4-Andro is a prohormone that converts to testosterone, there is a possibility of hormonal imbalances occurring. This can lead to side effects such as increased estrogen levels, which may result in water retention, gynecomastia (enlargement of breast tissue in males), and mood swings. It's important to monitor your body and consult with a healthcare professional if you experience any concerning symptoms.

Liver Toxicity

Like many oral supplements, 4-Andro can put stress on the liver. It is metabolized by the liver, and excessive or prolonged use may lead to liver toxicity. To minimize the risk, it's recommended to follow the recommended dosage guidelines and include liver support supplements during your cycle.

Hair Loss and Acne

Some users have reported experiencing hair loss and acne breakouts while using 4-Andro. These side effects are believed to be related to the conversion of testosterone to dihydrotestosterone (DHT), a hormone that can contribute to hair loss and increased sebum production. If you are predisposed to these conditions, it's advisable to proceed with caution or consult a healthcare professional before starting a 4-Andro cycle.

5. Dosage Recommendations for 4-Andro

To ensure the best results while minimizing the risk of side effects, it's important to follow proper dosage guidelines when using 4-Andro. The recommended dosage may vary depending on factors such as your experience level, goals, and individual tolerance. It's always advisable to start with a lower dosage and gradually increase if necessary.

Cycle Length and Timing

Typical cycles for 4-Andro range from 4 to 8 weeks, with 6 weeks being the most common duration. It's important to allow for sufficient time off-cycle to let your body recover and avoid potential side effects. A recommended off-cycle period is usually the same length as the cycle itself.

Post Cycle Therapy (PCT)

After completing a 4-Andro cycle, it's crucial to undergo post cycle therapy (PCT) to help restore natural hormone production and maintain the gains you have made. PCT typically involves using supplements that support testosterone production and regulate estrogen levels. Common PCT ingredients include tribulus terrestris, D-aspartic acid, and aromatase inhibitors.

Stack Options

Some individuals choose to stack 4-Andro with other supplements to maximize their results. Stacking involves combining multiple compounds to achieve synergistic effects. Popular stacks may include testosterone boosters, estrogen blockers, or other muscle-building supplements. However, it's important to research and plan your stack carefully to ensure compatibility and minimize the risk of adverse reactions.

6. Reviews and User Experiences

Before embarking on any supplement regimen, it's always helpful to hear from others who have already tried it. Real-life testimonials and success stories can provide valuable insights into the effectiveness and potential benefits of using 4-Andro.

Users have reported significant muscle gains, improved strength, and enhanced recovery when using 4-Andro as part of their fitness routine. However, it's important to remember that individual experiences can vary, and results depend on factors such as diet, training program, and genetics.

7. Purchasing High Quality Products

When purchasing 4-Andro, it's crucial to ensure that you are getting a genuine and high-quality product. Swole AF, the leading brand in nutritional supplements, offers 4-Andro on their official website. It's recommended to purchase directly from their website or authorized retailers to guarantee the authenticity and quality of the product.

8. Frequently Asked Questions (FAQs)

Is 4-Andro legal?

Yes, 4-Andro is legal in the United States and many other countries. However, it's important to note that laws and regulations can vary, so it's advisable to check the legality of 4-Andro in your specific jurisdiction before purchasing or using the product.

Can women use 4-Andro?

While 4-Andro is primarily marketed towards men, some women may choose to use it. However, due to its potential to increase testosterone levels, women should exercise caution and consult with a healthcare professional before using 4-Andro or any other hormonal supplement.

How long does it take to see results?

Results can vary depending on factors such as dosage, cycle length, diet, and training program. Some users may start noticing changes within a few weeks, while others may require more time. Consistency and adherence to a proper diet and training regimen are key to achieving optimal results with 4-Andro.

9. Conclusion

Unlock your full potential with 4-Andro, the powerful prohormone offered by Swole AF. With its potential to enhance muscle growth, increase vascularity, boost IGF-1 and GH secretion, and accelerate recovery, 4-Andro can help you take your fitness journey to the next level. Remember to follow recommended dosage guidelines, consider post cycle therapy, and listen to your body throughout the process. Consult with a healthcare professional if you have any concerns or questions. Embrace the power of 4-Andro and unleash your true strength and potential.

Directions: Take 1 Capsule 3 times daily.

Serving Size: 1 Capsule
Per Serving Doses: 90

Amount Per Serving % DV

4 androstene-3b-ol,17-one 75mg**

**Daily Value (DV) Not Established
*Percent Daily Values (DV) are Based on a 2,000 Calorie Diet
Other Ingredients: Gelatine, Rice Flour, Magnesium Stearate.


James C. Coffey, Thomas E. Harvey, William L. Carr, In vitro metabolism of 4-androstene-3.17-dione and testosterone by rat submaxillary gland, Steroids, Volume 33, Issue 2, 1979, Pages 223-232, ISSN 0039-128X,

Kalimi M, Regelson W, eds. The Biologic Role of Dehydroepiandrosterone (DHEA). Berlin, New York: Walter de Gruyter, 1990.

Priscilla M. Clarkson & Eric S. Rawson (1999) Nutritional Supplements to Increase Muscle Mass, Critical Reviews in Food Science and Nutrition, 39:4, 317-328, DOI: 10.1080/10408699991279196

Effect of oral DHEA on serum testosterone and adaptations to resistance training in young men
Gregory A. Brown, Matthew D. Vukovich, Rick L. Sharp, Tracy A. Reifenrath, Kerry A. Parsons, and Douglas S. King Journal of Applied Physiology 1999 87:6, 2274-2283 

Jon R.

Excellent! What can I say! I followed the recommended dosages and saw results right away. After the first bottle I gained real muscle. Not kidding! I did have my most consistent workouts and eating though the total combination has been the best results of my life. I recommend eat clean, lift hard, and take 4-Andro and you it will deliver.

David S.

High quality product and I stack with their 1-Andro and PCT product. My body fat has decreased by 3% and I have put on 5 lbs of lean muscle. Getting bigger gains in strength with my workouts.

Jonah F.

This is a great test booster really starts kicking in at week 1. You get a great pump at the gym with more energy. Libido is higher and recovery has increased drastically.