Skip to content

Erectin Get Bigger, Harder Erections

The Science-Backed Solution for Male Vitality

Discover how Erectin’s cutting-edge formula boosts performance, enhances stamina, and improves overall health. Backed by clinical studies and trusted by men worldwide, Erectin is your key to revitalized confidence and energy.

Erectin Get Bigger, Harder Erections

Erectin Review: Is It Worth It?

Discover the truth about Erectin’s ability to enhance male performance. See the highlights below before you decide!

Pros

  • Clinically proven ingredients
  • Supports stamina and vitality
  • Fast-acting formula with high absorption
  • Convenient dual-delivery system
  • Natural and safe alternative

Cons

  • Results may take time (up to 3 months)
  • Only available online
  • Higher price point compared to competitors
Order Erectin Now

Erectin Benefits for Natural Male Enhancement

Erectin is designed to serve as a natural male enhancement supplement that aims to address various aspects of male sexual health. One of its most notable benefits is the potential to enhance stamina during intimate activities. This is achieved through ingredients that support increased blood flow and energy levels, allowing men to maintain their performance and endurance over a prolonged period. Improved stamina not only boosts physical capability but also contributes to overall satisfaction for both partners.

Another significant advantage of Erectin is its ability to elevate libido. Many men experience fluctuations in their sexual desire due to numerous factors, including stress, fatigue, or hormonal imbalances. Erectin includes components that may help stimulate testosterone production, which in turn can lead to improved sexual appetite. By restoring a healthy libido, men can enjoy a more fulfilling and passionate intimate life, thereby strengthening their personal relationships.

Erectin Product

Erectin: Unlock Your Peak Performance

Boost vitality, stamina, and confidence with Erectin’s advanced, clinically proven formula. It’s time to reclaim your edge.

Order Now

Additionally, Erectin promotes overall sexual health. The supplement is formulated with natural ingredients known for their properties in enhancing erectile function and supporting reproductive health. Proper blood circulation is vital for achieving and maintaining erections, and Erectin focuses on facilitating this process. With consistent use, men may find that their confidence in their sexual performance increases, positively impacting their emotional wellbeing and reinforcing healthy relationship dynamics.

The combination of improved stamina, increased libido, and better erectile function highlights Erectin’s role as a powerful natural enhancement supplement. Its formulation targets key areas of male sexual health, underscoring its potential to lead to enhanced personal relationships and renewed self-confidence in the bedroom.

How Erectin Works: Real Solutions for Men’s Vitality

Here is a comprehensive look at the absorption technologies that enhance Erectin’s effectiveness, according to the sources:

  • Advanced “EC” Absorption Technology: This technology utilizes an enteric coating, which acts as a protective shield to prevent the Erectin formula’s nutrients from being destroyed by stomach acids. This coating allows the nutrients to pass through the stomach and reach the intestinal wall, where they have a better chance of being absorbed.
  • Fast-Acting Liquid Gel Capsules: Erectin is packaged in liquid gel capsules that dissolve much faster than hard tablets. This allows the enteric coating to protect the formula, and enables it to enter the bloodstream more rapidly. Some studies suggest that liquid gel caps dissolve up to five times faster than tablets.
  • BioPerine for Enhanced Bioavailability: Erectin contains Bioperine, a patented form of highly concentrated piperine. Piperine is an alkaloid found in black pepper that has been shown to enhance the body’s ability to absorb nutrients. The manufacturers of Erectin refer to Bioperine as a “turbo-charger” because it boosts the absorption of the formula’s ingredients.
  • tected from stomach acids, dissolved quickly, and absorbed efficiently into the bloodstream.

Key Ingredients in Erectin

Erectin’s formula incorporates a blend of herbal ingredients that are traditionally associated with enhancing male sexual health. These ingredients are carefully chosen to address multiple aspects of sexual performance, including libido, stamina, and erection quality. However, while these herbs have a long history of use in traditional medicine, the scientific validation of their effects is often limited or mixed. Below is a closer look at some commonly cited ingredients in Erectin’s formula:

1. Korean Red Ginseng

This herb has been used for centuries in traditional Asian medicine to boost energy levels, reduce fatigue, and enhance sexual function. Some studies suggest that Korean Red Ginseng can improve erectile function by promoting blood flow, but more robust clinical trials are needed to confirm its efficacy.

2. Tribulus Terrestris

Often marketed as a natural testosterone booster, Tribulus Terrestris is believed to enhance libido and improve sexual satisfaction. While it is a popular ingredient in male enhancement supplements, scientific studies have shown conflicting results regarding its actual impact on testosterone levels and sexual performance.

3. Muira Puama

Known as “potency wood,” Muira Puama has been traditionally used in Brazil as a natural aphrodisiac. Advocates claim it can improve libido and sexual stamina. However, scientific studies on Muira Puama are limited, and its benefits are primarily based on anecdotal evidence.

4. Damiana Leaf

Damiana is another traditional aphrodisiac that has been used for centuries to increase sexual desire. While some research suggests it may have mild benefits for improving libido, the overall scientific backing remains inconclusive.

5. Catuaba Bark

Catuaba is a Brazilian herb that is believed to enhance sexual arousal and performance. Like Muira Puama, its effectiveness is mostly supported by traditional usage rather than modern scientific research.

6. Hawthorn Berry

This ingredient is commonly included in sexual health supplements for its potential to improve cardiovascular health and support blood flow. Healthy blood flow is essential for achieving and maintaining erections, but the connection between hawthorn berry and sexual performance requires further research.

7. Saw Palmetto

Saw Palmetto is often used to support prostate health and balance hormone levels. While it may have indirect benefits for male sexual health, such as improving urinary function, evidence of its direct impact on libido or erectile function is limited.

Clinical trial results supporting Erectin’s efficacy

Here is a summary of the clinical trial results supporting Erectin’s efficacy

  • A 12-week, double-blind, placebo-controlled, randomized clinical study conducted on 78 men with mild to moderate erectile difficulties. The participants were between 25 and 50 years old and did not have any medical conditions that could explain their erectile difficulties.
  • Double-blind means that neither the participants nor the researchers knew who was receiving the placebo and who was receiving the Erectin formula.
  • The study examined whether Erectin’s proprietary polyherbal formula could help these men achieve harder erections.
  • The results of the study were published in the Journal of Urology, the official journal of the American Urological Association, and in the peer-reviewed journal, BMC Complementary and Alternative Medicine.
  • The researchers were “blown away” by the results.
  • Many of the men who took the Erectin formula experienced improvements in the following areas:
    • Ability to maintain an erection
    • Ability to penetrate their partner
    • Intercourse
    • Sex drive
    • Quality of orgasms
    • Overall sexual satisfaction
  • By the end of the study, 90% of the men who received Erectin wanted to continue using it. This is significant because many medical professionals acknowledge that prescription medications only work for 50% of their patients.

Who is Erectin For?

Erectin is designed to support a wide array of men who seek to enhance their sexual performance and overall experience with intimacy. The target audience for this male enhancement supplement spans various age groups, particularly those who may experience changes related to aging. Generally, men aged 30 and above often find themselves confronting difficulties such as reduced libido, erectile dysfunction, or lowered stamina. This demographic is increasingly turning to supplements like Erectin in an effort to regain their confidence and revive their sexual drive.

Moreover, the supplement is particularly beneficial for men who might be facing specific health challenges that can impede sexual performance, including obesity, cardiovascular issues, or hormonal imbalances. For individuals who have previously experienced inconsistent sexual performance or those who feel that their libido has diminished over time, Erectin may provide a safe and effective solution that targets these concerns directly. The formulation of Erectin focuses on natural ingredients that are aimed at improving blood flow, boosting testosterone levels, and enhancing stamina, making it suitable for men seeking a holistic approach to sexual health.

It is also important to note that Erectin can be beneficial for men who are simply looking to enhance their sexual experiences for recreational purposes, aiming to achieve a more fulfilling intimate life. Whether one is experiencing age-related challenges or is in good health but wishes to enhance sexual performance, Erectin is tailored to meet varying needs. However, men who are currently on medication or have pre-existing health conditions should consult with a healthcare provider before starting any supplement regimen to ensure safety and efficacy.

Three Simple Steps to Maximize Erectin’s Benefits

Based on the information provided in the sources, here are three simple steps you can take to get the most out of Erectin for better erections:

  1. Take Erectin Consistently: The sources mention that in a clinical study, participants took Erectin daily for 12 weeks and experienced notable results. While the sources also state that some users have reported seeing results sooner, consistency appears to be key for maximizing the effectiveness of Erectin.
  2. Follow the Recommended Dosage: The sources recommend starting with one or two soft gels daily, preferably with meals, and gradually increasing to a maximum of four soft gels per day. It’s important to note that exceeding the recommended dosage may not lead to faster or better results and could potentially increase the risk of side effects, though the sources claim there are no reported side effects. Additionally, the sources advise reducing the dosage if the results are too intense.
  3. Be Patient and Allow Time for the Formula to Work: The sources emphasize that Erectin works by providing the body with a blend of natural ingredients that support sexual health and function. It’s important to understand that natural supplements may take time to produce noticeable effects. While the sources mention that significant results were observed in the clinical study after 28 days, individual experiences may vary. Patience and consistent use are likely to contribute to achieving the desired outcomes.

Erectin vs. Other Male Enhancement Products

When considering male enhancement products, it is crucial to analyze the effectiveness, safety, and ingredients of each option available in the market. Erectin stands out among these options due to its unique formulation, which prioritizes both results and user safety. Unlike many common male enhancement supplements, Erectin uses a blend of natural ingredients that work synergistically to improve sexual performance without the harsh side effects often associated with other products.

Many male enhancement products on the market tend to rely on synthetic compounds, which can lead to adverse effects such as increased heart rate or blood pressure. In contrast, Erectin is composed of carefully selected natural ingredients like muira puama and ginseng, which are known for their beneficial effects on libido and stamina. These ingredients have been rigorously tested for safety and efficacy, providing users with a reliable option that minimizes the risk of side effects.

  • Erectin is unique because of its clinically proven formula and advanced absorption technologies. The company claims that most other supplements do not fully absorb into the body and are flushed out as waste.
  • Erectin’s formula has been tested in a double-blind, placebo-controlled, human clinical trial and the results have been published in a peer-reviewed scholarly journal. The company emphasizes that this is rare for sexual enhancement dietary supplements.
  • Many other male enhancement products base their claims on hearsay about ingredients, but Erectin claims its formula’s effectiveness is based on lab-tested data.
  • Erectin’s advanced absorption technology is a key feature that sets it apart from competitors. This technology utilizes an enteric coating to protect the formula from being destroyed by stomach acids. The liquid gel capsules are designed to dissolve quickly, further enhancing absorption. Erectin also includes BioPerine, a patented ingredient that boosts the absorption of nutrients.
  • Erectin’s manufacturers claim that these features ensure that a larger amount of active ingredients reach the bloodstream at the correct dosage. This, they say, results in stronger and longer-lasting erections.

Important Note: While the provided source makes several claims about Erectin’s effectiveness compared to other treatments, it’s crucial to remember that this information comes directly from the manufacturer’s marketing materials. It is advisable to approach these claims with a healthy degree of skepticism and consult with a healthcare professional for personalized advice on erectile dysfunction treatment.

Moreover, Erectin’s formulation promotes increased blood flow, which can enhance overall erectile function, a feature that may not be emphasized by many competitors. Other products might claim to improve performance but often fall short in clinical testing or fail to provide sustained benefits. Erectin, backed by research and positive user testimonials, appears to provide consistent results, making it a favorable choice for those seeking both immediate and long-term enhancements.

Additionally, user accessibility is an important factor that sets Erectin apart. Unlike some male enhancement supplements that require prescriptions or consultation with healthcare providers, Erectin is readily available for purchase online, allowing individuals to make discreet choices regarding their sexual health. This convenience, coupled with its effectiveness and safety profile, makes Erectin a leading option for those exploring male enhancement solutions.

Other Benefits of Erectin

Erectin is widely recognized for its primary role in enhancing male performance; however, it also offers a range of other benefits that contribute to overall health and well-being. One of the most notable advantages of Erectin is its potential to improve energy levels. Many users report experiencing increased vitality after incorporating this supplement into their daily routine. The energizing components of Erectin can help men tackle their daily activities with renewed vigor, whether at work or during physical exertion, leading to greater productivity and an enhanced quality of life.

Erectin may play a significant role in mood enhancement. The ingredients in Erectin are designed to support hormonal balance, which can positively affect mood and emotional well-being. By promoting healthy testosterone levels, the supplement may help alleviate feelings of irritability, fatigue, and stress, allowing users to maintain a more balanced emotional state. This mood-boosting effect can contribute to stronger interpersonal relationships and improved social interactions, further enhancing overall life satisfaction.

Erectin may also contribute positively to overall vitality. The comprehensive formulation is designed not only to improve sexual performance but also to promote general health. Enhanced blood circulation, another effect of Erectin, can improve nutrient delivery throughout the body, leading to better physical health and endurance. As a result, users may experience better recovery times from exercises, along with improved stamina during physical activities.

By addressing energy levels, mood, and overall vitality, Erectin emerges as a holistic supplement that goes beyond mere enhancement. This multifaceted approach allows men to experience comprehensive benefits, thus solidifying Erectin’s position as a valuable addition to a healthy lifestyle.

How Erectin Evolved: From Simple Herb Blend to Ultimate Male Performance Booster

The journey of Erectin traces back several decades, originating as a simple herbal blend comprising traditional ingredients known for their aphrodisiac properties. Initially formulated to enhance libido and improve sexual vitality, this product was created by herbalists who aimed to combine nature’s bounty to address male sexual health concerns. Over time, the need for a more robust solution prompted researchers and health experts to delve deeper into the realm of male enhancement, leading to the evolution of Erectin into a sophisticated performance booster.

The turning point in Erectin’s development came with advancements in nutritional science and clinical research. The initial blend of herbs was meticulously analyzed, and several ingredients were selected based on their proven efficacy in supporting male sexual function and overall vitality. The formulation was enriched with potent compounds such as Epimedium, known for its ability to increase testosterone levels, and L-arginine, which promotes blood flow to the penis, thereby enhancing erections. This transformation from a rudimentary herbal mix to a scientifically-backed supplement set Erectin apart in a crowded market.

Today, Erectin represents a culmination of traditional herbal wisdom and modern science, reflecting a significant advancement in male performance supplements. Its journey from a simple herb blend to a sophisticated product illustrates a response to evolving consumer demands for safety, efficacy, and quality in male enhancement solutions.

Understanding the Timeline for Erectin Results

When considering male enhancement supplements such as Erectin, a common query among prospective users is how long it typically takes to observe noticeable results. Based on user testimonials, the timeframe can vary considerably, reflecting individual responses to the supplement. Most users report varying results, with some noticing benefits as quickly as two to four weeks after starting the regimen. Enhanced libido, increased energy levels, and improved erectile function are among the most frequently mentioned benefits.

From user reviews, the consensus suggests that while some men begin to feel subtle changes within the first few weeks, more pronounced effects may require consistent use over a longer period. Many individuals emphasize the importance of patience, as natural supplements often work differently compared to pharmaceutical options. Following the recommended dosage and maintaining a healthy lifestyle are factors that can positively influence the effectiveness and speed of results.

Additionally, it is worth noting that the personal physiological differences play a significant role in how quickly a user may experience the effects of Erectin. Variations such as existing health conditions, age, and lifestyle choices can impact one’s response to male enhancement supplements. Some reviews indicate that men over the age of 40 might take slightly longer to notice changes compared to younger users, as metabolism and hormonal levels vary with age.

As reported by several users, dedication to a consistent routine, including adherence to the recommended dosages and maintaining overall health, significantly contributes to the results. User testimonials emphasize that while the initial results can appear promising, long-term benefits emerge with continued use and a balanced lifestyle. Embracing an expectant yet realistic mindset can lead to a more satisfying experience with Erectin.

Where to Buy Erectin

When considering the purchase of Erectin, it is imperative to be aware of the various purchasing options available to ensure the acquisition of authentic products. The importance of sourcing Erectin from reputable suppliers cannot be overstated, as this significantly minimizes the risk of counterfeit supplements and ensures the consumer’s safety and satisfaction.

One of the most dependable methods for purchasing Erectin is through the official website of the manufacturer. Acquiring products directly from the source not only guarantees authenticity but often provides promotional offers and discounts that can enhance the overall experience. Additionally, the official site typically offers detailed information about the product, including its ingredients, benefits, and dosage instructions, aiding consumers in making an informed decision.

Beyond the official website, online platforms such as Amazon may also carry Erectin. However, when using these services, it is crucial to check seller ratings and reviews to confirm the legitimacy of the product being offered. Many consumers have reported instances of receiving substandard or expired supplements from third-party sellers, which is why exercising caution is essential during online purchases.

For individuals who prefer in-person shopping experiences, select health and wellness retail locations may stock Erectin. However, availability can vary, so it is advisable to call ahead or check the store’s inventory online. Furthermore, local pharmacies might carry male enhancement supplements, yet it is essential to ensure they stock Erectin specifically, as these stores often have their own brand alternatives.

Ultimately, whether opting for online purchases or visiting a physical location, consumers must prioritize authenticity and reliability. By selecting trusted sources for obtaining Erectin, individuals can confidently enjoy the benefits of this male enhancement supplement, knowing they are using a quality product backed by comprehensive research.

Final Verdict: Erectin in a Nutshell & What’s Next? Should You Give It a Try?

Throughout this comprehensive review, we have delved into the various aspects of Erectin, examining its formulation, efficacy, and potential benefits for those seeking male enhancement. Erectin is designed to support sexual health by promoting increased blood flow, enhancing libido, and potentially improving overall performance. The ingredients included in Erectin, such as natural herbal extracts, are geared towards providing a synergistic effect, which may contribute to the positive outcomes reported by some users.

Throughout our analysis, several factors emerged regarding Erectin’s effectiveness. Many of the ingredients have been used in traditional medicine for their aphrodisiac and performance-enhancing properties. However, scientific support for some of these claims can be limited or mixed. While anecdotal evidence suggests that users may experience enhanced libido and improved erectile function, clinical studies are necessary to create a more robust understanding of the supplement’s reliability and consistency in results.

It is essential for prospective users to consider their individual circumstances when evaluating whether Erectin is suitable for them. Personal health conditions, medications, and lifestyle factors play a crucial role in determining how effective this supplement may be. Consulting with a healthcare professional can help users make informed decisions tailored to their unique health needs. If seeking to improve sexual health is your objective, exploring Erectin could be a beneficial addition to your wellness routine, provided it aligns with professional health advice.

In conclusion, Erectin presents a promising option for those in search of enhancement solutions. With a blend of herbal ingredients aimed at supporting male vitality, it has the potential to help users achieve their personal wellness goals. Ultimately, assessing one’s own needs and perhaps trialing the supplement under guidance may offer insight into its effectiveness.

Erectin® FAQ

What is Erectin®?

Erectin® is a natural male enhancement supplement marketed to improve erection quality and sexual performance. It contains a proprietary blend of herbs and botanicals formulated to increase blood flow and boost libido. The supplement is available in liquid gel capsules designed for rapid absorption and features an enteric coating to protect the ingredients from stomach acid.

How does Erectin® work?

Erectin®’s ingredients work together to promote nitric oxide production, which relaxes blood vessels in the penis, allowing for increased blood flow and harder erections. The formula also includes aphrodisiacs that may increase sexual desire and stamina.

What are the key ingredients in Erectin®?

Erectin® contains a blend of ingredients, including:

  • Bioperine Black Pepper Extract: Enhances the absorption of other ingredients.
  • Chinese Hawthorn: May act as a vasodilator, promoting blood flow.
  • Cuscuta Chinensis: Traditionally used as an aphrodisiac.
  • Damiana Leaf: Reported to boost libido and stamina.
  • Epimedium (Horny Goat Weed): Contains icariin, which may improve erectile function.
  • Korean Red Ginseng: May improve blood flow and energy levels.
  • Ginkgo Biloba: May boost nitric oxide production, improving circulation.
  • Muira Puama Bark Extract: Traditionally used as an aphrodisiac and energy booster.
  • Saw Palmetto: May support prostate health and improve sexual function.
  • Tribulus Terrestris Seed Extract: A traditional aphrodisiac that may increase libido.

What are the claimed benefits of Erectin®?

The manufacturer claims that Erectin® can:

  • Increase erection hardness and size
  • Improve the ability to maintain an erection
  • Enhance sexual desire and stamina
  • Increase orgasm intensity
  • Boost overall sexual satisfaction

Are there any clinical studies supporting Erectin®’s claims?

The manufacturer cites a 12-week, double-blind, placebo-controlled study published in the Journal of Urology and BMC Complementary and Alternative Medicine involving 78 men. The study reportedly showed significant improvements in erectile function, libido, and overall sexual satisfaction in the group using Erectin®.

How do I take Erectin®?

The recommended starting dosage is one or two capsules per day with meals. The dosage can be gradually increased to four capsules daily, but it’s advised to adjust based on individual response and tolerance.

Are there any potential side effects of using Erectin®?

While the manufacturer states that there are no reported side effects, it’s always recommended to consult with a healthcare professional before taking any new supplement, especially if you have pre-existing medical conditions or take medications.

Does Erectin® offer a money-back guarantee?

Yes, Erectin® comes with a 67-day money-back guarantee. If you are unsatisfied with the results, you can return the product for a full refund (excluding shipping and handling).

Erectin® Study Guide

Short-Answer Quiz

  1. What is Erectin® and what is its purported function?
  2. Erectin’s marketing emphasizes clinical studies. What are the claimed outcomes of these studies?
  3. How does Erectin® claim to address the issue of nitric oxide production and why is this important for the product’s claims?
  4. Erectin’s marketing highlights absorption technology. What specific technologies are mentioned and what is their purpose?
  5. What is Bioperine®, and what role does it supposedly play in Erectin’s effectiveness?
  6. Identify three of Erectin’s listed ingredients and briefly describe their claimed benefits within the product’s formulation.
  7. What guarantee does Erectin® offer to potential customers?
  8. What are the suggested dosage instructions for Erectin®?
  9. Besides potential physical benefits, what psychological benefit does Erectin® suggest it can provide?
  10. Erectin’s website includes a “Hardness Score Test.” What is the likely purpose of this test from a marketing perspective?

Answer Key

  1. Erectin® is marketed as an all-natural, clinically proven supplement intended to improve male sexual performance, particularly by enhancing erection quality and libido.
  2. The marketing claims clinical studies demonstrate that Erectin® helps men achieve harder, longer-lasting erections, increases libido, boosts sexual stamina, and improves overall sexual satisfaction. It also claims a 90% success rate, higher than many prescription medications.
  3. Erectin® claims to increase nitric oxide production through its formula. Nitric oxide is crucial for erections as it relaxes blood vessels in the penis, allowing for increased blood flow, which is essential for achieving and maintaining an erection.
  4. Erectin® highlights “EC” (Enteric Coating) technology to protect ingredients from stomach acid, liquid gel capsules for faster absorption, and Bioperine® for enhanced bioavailability, all aiming to maximize the effectiveness of the formula.
  5. Bioperine® is a patented extract of black pepper, and Erectin® claims it enhances the absorption of other ingredients in the formula, leading to better results.
  6. (Any three ingredients from the “Erectin Ingredients” section with their claimed benefits will suffice). Example: Korean Red Ginseng – immediate blood flow boost; Muira Puama Bark Extract – used to enhance sexual performance, reduce stress, boost energy; Saw Palmetto – believed to enhance sexual function and strength.
  7. Erectin® offers a 67-day money-back guarantee. If customers are not satisfied with the results, they can return the product for a full refund (minus shipping and handling).
  8. The suggested dosage is to start with one or two soft gels daily, preferably with meals. It can be gradually increased to four soft gels per day. The dosage can be reduced if the effects are too intense.
  9. Beyond physical improvements, Erectin® suggests it can increase confidence in one’s sexual ability, reducing performance anxiety and contributing to a more satisfying experience.
  10. The “Hardness Score Test” is likely designed to engage potential customers and raise awareness of potential erectile difficulties. By providing a score, it may create concern or validation, ultimately leading individuals to consider purchasing Erectin® as a solution.

Glossary of Key Terms

  • Bioavailability: The degree to which a substance (like a drug or supplement) becomes available to the target tissue after administration.
  • Enteric Coating: A polymer barrier applied to oral medication that prevents its dissolution or disintegration in the gastric environment.
  • Erectile Dysfunction (ED): The inability to achieve or maintain an erection sufficient for sexual intercourse.
  • Libido: Sexual desire or drive.
  • Nitric Oxide: A signaling molecule in the body that plays a key role in vasodilation (widening of blood vessels).
  • Placebo: A substance that has no therapeutic effect, often used in clinical trials as a control.
  • Polyherbal: Containing multiple herbs.
  • Proprietary Formula: A specific blend of ingredients unique to a particular product, often protected as a trade secret.
  • Vasodilation: The widening of blood vessels, which increases blood flow.