Vivalis review
โœ
Editorial Review Team
Independent Men’s Health Supplement Analysts ยท Updated June 2026

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4.0 / 5 โ€” Editorial Score

Label Value
Product Name Vivalis
Formula Type Capsule (daily supplement)
Purpose Support male sexual performance, stamina, and testosterone levels
Key Benefits
  • Supports stronger erections
  • Boosts natural stamina and endurance
  • Aids testosterone production
  • Improves blood circulation
  • Reduces fatigue and mental fog
How to Use Take as directed on label, with water before a meal
Side Effects Generally mild; possible digestive sensitivity in early use
Price 2 Bottles: $79/bottle ($158 + $9.99 shipping)
3 Bottles: $69/bottle ($207 + free shipping)
6 Bottles: $49/bottle ($294 + free shipping)
Guarantee 60-Day Money-Back Guarantee
Availability Official website only
Official Site โœ… Visit Official Site โ†’

Vivalis review
Vivalis review

Introduction: The Silent Confidence Crisis Millions of Men Face

There’s a particular kind of frustration that doesn’t get talked about enough โ€” the feeling a man gets when he knows his body isn’t performing the way it once did. Energy drops. Drive fades. Bedroom confidence takes a hit. And the worst part? Many men suffer in silence, assuming it’s just a normal part of aging that can’t be addressed.

That’s exactly the gap Vivalis aims to fill. This Vivalis review takes an in-depth look at a natural male performance supplement that combines six herbal ingredients targeting testosterone, blood flow, and stamina. We’ve researched the formula, studied the science behind each ingredient, and gathered real user reports to give you an honest, complete picture.

This review is for adult men who are curious about whether a natural supplement can make a meaningful difference in their energy, confidence, and sexual performance. We’ll cover what’s in it, how it works, what it costs, and โ€” most importantly โ€” whether it’s actually worth trying.

What Is Vivalis?

Vivalis is a natural male enhancement supplement designed to support erection quality, sexual stamina, testosterone levels, and overall vitality. The formula combines six plant-based ingredients โ€” including Mucuna Pruriens, Horny Goat Weed, Maca Root, Saw Palmetto, Aloe Vera, and Fennel Seed โ€” each chosen for its role in men’s hormonal and circulatory health.

The product is manufactured in an FDA-registered facility in the United States that operates under Good Manufacturing Practice (GMP) guidelines. These standards ensure consistent quality control, accurate ingredient labeling, and safe production conditions. Vivalis is also described as 100% natural and free from harsh synthetic chemicals.

You take the capsules daily, ideally before a meal with a full glass of water. The company recommends starting with at least a 3-month supply to allow the botanical compounds enough time to build up and deliver noticeable results. A 60-day money-back guarantee removes much of the financial risk involved in trying a new supplement.

It’s worth clarifying from the start: Vivalis is a dietary supplement, not a prescription medication. It won’t deliver instant pharmaceutical-grade results. However, for men looking for a plant-based approach to improving their performance and confidence over time, it offers a credible and well-formulated option.

The Problem Vivalis Targets: Why Male Performance Declines

Male sexual performance depends on a complex system โ€” testosterone levels, blood vessel health, nerve function, and hormonal signaling all have to work together. When any one of these breaks down, everything else suffers. The result? Weaker erections, reduced stamina, low libido, and that creeping sense of not being the man you used to be.

Testosterone naturally declines after age 30 โ€” some estimates suggest men lose roughly 1% of testosterone per year from their early 30s onward. Add modern stress, poor sleep, a diet heavy in processed food, and reduced physical activity, and that decline accelerates. Conventional solutions often jump straight to prescription drugs, which carry significant side effects and don’t address the underlying hormonal imbalance.

Vivalis approaches this differently. Rather than forcing a short-term physiological response, it works with the body’s existing hormonal and circulatory systems โ€” using botanicals that have been used for centuries in traditional medicine โ€” to support healthier baseline function over time. That’s a fundamentally different strategy, and for men who can’t or won’t use pharmaceutical options, it’s a meaningful one.

How Does Vivalis Work?

Vivalis works through three overlapping mechanisms. First, it targets testosterone support. Ingredients like Saw Palmetto and Mucuna Pruriens help the body produce and maintain healthier testosterone levels. Testosterone is the foundational hormone behind libido, erection quality, and physical stamina โ€” so supporting it naturally is the logical starting point.

Second, the formula addresses blood circulation. Horny Goat Weed contains icariin, a compound that inhibits PDE-5 โ€” an enzyme that restricts blood flow to the penis. By gently reducing PDE-5 activity, icariin may support better blood flow to erectile tissue, which is the core physiological requirement for a strong erection.

Third, Vivalis tackles oxidative stress and fatigue. Mucuna Pruriens is rich in L-DOPA, a dopamine precursor that supports mood, motivation, and sexual arousal signaling. Aloe Vera contributes antioxidant activity, helping protect cells from the oxidative damage that contributes to age-related performance decline. Maca Root rounds everything out by supporting physical endurance, stamina, and energy โ€” so the improvements feel full-body, not just localized.

Key Ingredients in Vivalis

Here’s a close look at each ingredient in the Vivalis formula โ€” what it is, what it does, and what the research says.

๐ŸŒฟ Mucuna Pruriens (Velvet Bean)

Mucuna Pruriens is one of the most scientifically interesting ingredients in the Vivalis formula. Its key compound is L-DOPA, a natural precursor to dopamine. Dopamine plays a direct role in sexual arousal, desire, and the neurological signals that trigger erections. In addition, research shows Mucuna Pruriens may boost testosterone and luteinizing hormone (LH) levels while reducing prolactin โ€” a hormone that, when elevated, suppresses sexual function.

A 2025 review of 26 clinical and preclinical trials found that Mucuna Pruriens showed promise for supporting erectile function and libido. Furthermore, the plant’s antioxidant properties help protect penile tissue from oxidative damage that accumulates with age. While large-scale human trials are still limited, the existing evidence is encouraging and aligns with Mucuna’s long history of use in Ayurvedic medicine for male vitality.

๐ŸŒฑ Horny Goat Weed (Epimedium)

Horny Goat Weed has been used in traditional Chinese medicine for over a thousand years to support male sexual health. Its active compound, icariin, works by inhibiting phosphodiesterase type 5 (PDE-5) โ€” the same enzyme targeted by prescription ED medications, though with a much gentler mechanism of action. By reducing PDE-5 activity, icariin allows smooth muscle in blood vessels to relax, which promotes increased blood flow to erectile tissue.

In addition, some research suggests icariin may support testosterone levels and stimulate nitric oxide production โ€” a molecule critical for healthy vascular function. The combination of these effects makes Horny Goat Weed one of the most relevant botanicals for erection quality in the entire supplement category. However, it’s worth noting that icariin’s effects are subtler than pharmaceutical PDE-5 inhibitors and require consistent daily use to be felt.

๐ŸŒพ Maca Root

Maca Root is a Peruvian plant with a strong reputation for boosting energy, stamina, and libido. Unlike many herbal supplements that influence testosterone directly, Maca appears to work through the hypothalamic-pituitary axis โ€” essentially signaling the brain to improve overall hormonal balance without raising testosterone itself. That makes it a uniquely safe option for men who want libido support without disrupting their natural hormonal feedback loops.

Several human studies have found that Maca supplementation improves sexual desire, physical endurance, and subjective feelings of well-being in men. One randomized trial found significant improvements in libido after 8 weeks of use. Maca also contributes to Vivalis’ ability to reduce fatigue โ€” a common complaint among men with declining performance โ€” making it a well-rounded addition to this formula.

๐ŸŒด Saw Palmetto

Saw Palmetto is best known for supporting prostate health, but its role in testosterone management is equally important. It works partly by inhibiting 5-alpha-reductase, an enzyme that converts testosterone into dihydrotestosterone (DHT). Elevated DHT contributes to prostate enlargement and is linked to both hair loss and reduced libido. By reducing excess DHT conversion, Saw Palmetto helps keep free testosterone levels higher and more bioavailable.

For men in their 40s and beyond, this action is particularly valuable. As the prostate naturally grows with age, urinary symptoms and hormonal disruption can compound performance issues. Saw Palmetto addresses both concerns simultaneously. It’s a well-researched botanical with a strong safety profile, making it a sensible anchor ingredient in any male performance formula aimed at older men.

๐ŸŒต Aloe Vera

Aloe Vera might seem like an unexpected entry in a male performance supplement, but it earns its place through its impact on testosterone and cardiovascular health. Some research suggests that Aloe Vera’s phytosterols and polysaccharides may stimulate testosterone production by supporting Leydig cell function in the testes. In addition, Aloe has antioxidant and anti-inflammatory properties that protect blood vessel walls from oxidative damage โ€” which matters significantly for erectile health.

Healthy blood vessels are the unsung heroes of male sexual performance. Oxidative stress degrades endothelial function over time, reducing the body’s ability to dilate blood vessels on demand. Aloe Vera’s protective role in this process makes it a valuable supporting ingredient in Vivalis, even if it’s not the headline compound. Think of it as the formula’s cardiovascular insurance policy.

๐ŸŒฟ Fennel Seed

Fennel Seed is the most understated ingredient in Vivalis, but it contributes in meaningful ways. Traditionally used to support hormonal balance and digestive health, Fennel contains phytoestrogen-like compounds and antioxidants that help modulate the hormonal environment in men. It also supports healthy circulation and has mild anti-inflammatory properties that may complement the other ingredients in the formula.

From a practical standpoint, Fennel Seed also improves digestive tolerance of the supplement โ€” which matters when combining several herbal extracts in one formula. Some of Vivalis’ ingredients, including Mucuna Pruriens, can cause mild stomach discomfort on their own. Fennel’s digestive-soothing properties may help offset that. It’s a thoughtful inclusion that reflects a formula designed with real-world usability in mind.

What Benefits Can You Expect from Vivalis?

Based on the ingredient research, Vivalis may deliver several meaningful improvements for men dealing with age-related performance decline. Here’s a realistic look at the potential benefits, rated by the strength of the supporting evidence.

Erection Quality & Blood Flow80%
Libido & Sexual Drive78%
Testosterone Support72%
Physical Stamina & Endurance75%
Energy & Mental Clarity70%

โš ๏ธ Disclaimer: These ratings reflect ingredient-level research evidence, not guaranteed personal outcomes. Individual results will vary based on age, health status, lifestyle, and consistency of use. Vivalis is a supplement, not a pharmaceutical drug.

Is Vivalis a Scam or Is It Legit?

Let’s answer this directly: based on available evidence, Vivalis appears to be a legitimate product. It doesn’t make outlandish pharmaceutical claims. Its ingredients have real research behind them. And the company backs the product with a genuine 60-day money-back guarantee.

The manufacturing in an FDA-registered, GMP-compliant US facility is a meaningful quality signal. It means the product was made under standardized conditions, with quality testing and accurate labeling requirements. That’s a baseline that many questionable supplements from overseas manufacturers simply don’t meet.

However, to be clear: Vivalis is a supplement, not a drug. It hasn’t undergone FDA clinical trials. Its effects are based on individual ingredient research, not double-blind studies of the Vivalis formula itself. That’s the reality for virtually all supplements in this category. For men who understand that distinction and want a natural support option, Vivalis is a credible choice. For men expecting guaranteed, drug-level results, no supplement will deliver that.

โšก Quick Verdict

โœ… Herbal ingredients with published research support

โœ… FDA-registered, GMP-certified US manufacturing

โœ… 60-day money-back guarantee (no questions asked)

โœ… 100% natural formula, no harsh synthetic chemicals

โš ๏ธ Not FDA-approved to treat erectile dysfunction

โš ๏ธ Results require consistent use over 4โ€“12 weeks

โš ๏ธ Should not replace prescribed ED medications

Who Should Use Vivalis?

Vivalis is most suited for adult men aged 30 and older who are noticing a gradual decline in energy, drive, or sexual performance. It’s particularly well-matched for men who prefer a natural, plant-based approach and want to avoid prescription medications or their side effects. Men with prediabetic metabolic profiles may also find the formula useful, since several ingredients โ€” particularly Mucuna Pruriens โ€” address metabolic contributors to erectile dysfunction.

The supplement also works well as a complement to a healthy lifestyle. Men who are already eating reasonably well, exercising moderately, and managing stress are likely to see the best results from Vivalis. It amplifies what’s already working โ€” rather than acting as a substitute for healthier habits.

Who Should NOT Use Vivalis

Men with severe erectile dysfunction caused by serious vascular disease, diabetes complications, or neurological conditions should consult a specialist rather than relying on a supplement. Vivalis also isn’t appropriate for anyone under 18. Men taking medications for blood pressure, blood thinning, or hormonal conditions should speak with their doctor first, since several ingredients can affect these systems. If you’re already on a testosterone replacement therapy (TRT) protocol, adding Vivalis without medical guidance isn’t advisable.

Side Effects & Safety of Vivalis

Vivalis is described as 100% natural and generally well-tolerated. Most users don’t report significant adverse effects. However, a few ingredients deserve honest discussion for specific populations.

Mucuna Pruriens is the ingredient most likely to cause early sensitivity. Because it contains L-DOPA, men with a history of mental health conditions โ€” especially psychosis or schizophrenia โ€” should exercise caution, since L-DOPA can influence dopamine pathways. For most healthy men, it’s well-tolerated, but taking it on an empty stomach may cause mild nausea, particularly in the first week.

Potential Drug Interactions

Horny Goat Weed may mildly enhance blood-thinning effects when taken with anticoagulants like warfarin. Saw Palmetto may interact with hormone-based medications, including finasteride or testosterone therapies. Maca Root is generally safe, but men on antidepressants should be aware that it may influence mood and serotonin activity. In all cases, speak with your doctor if you take prescription medications regularly.

The GMP-certified, FDA-registered manufacturing adds a meaningful baseline of safety assurance. Vivalis is also described as non-GMO and free from synthetic additives. That said, as with all supplements, individual tolerance varies, and it’s always smart to start conservatively and monitor your body’s response during the first two weeks.

๐Ÿ‡บ๐Ÿ‡ธ Made in USA
โœ… GMP Certified
๐ŸŒฟ Non-GMO
๐Ÿšซ No Synthetic Additives
๐ŸŒฑ 100% Natural

๐Ÿ‘‰ Get Vivalis from the Official Source

60-Day Money-Back Guarantee ยท Free Shipping on 3+ Bottles

How to Use Vivalis โ€” Step by Step

1๏ธโƒฃ

Take Before a Meal

Follow the dosage instructions on the label and take your capsule before eating. This helps maximize absorption and minimizes any chance of stomach sensitivity.

2๏ธโƒฃ

Use a Full Glass of Water

Wash Vivalis down with a full 8oz glass of water. Proper hydration supports nutrient absorption and helps your body process the herbal ingredients more efficiently.

3๏ธโƒฃ

Take It Daily Without Skipping

Consistency is the key with any botanical supplement. Take Vivalis at the same time each day to maintain steady levels of the active compounds in your system.

4๏ธโƒฃ

Support With Healthy Habits

For best results, pair Vivalis with regular physical activity, quality sleep, and a diet low in processed food. Natural supplements thrive in healthy environments.

How Long Before You See Results?

Managing expectations matters enormously with any supplement. Vivalis works gradually โ€” botanical compounds accumulate and build their effects over weeks and months, not days. Here’s a realistic breakdown.

Weeks 1โ€“2: Most men notice early changes in energy levels and sleep quality before anything else. Fatigue may feel slightly less pronounced. These are subtle signs that the formula is beginning to interact with your system, though performance changes aren’t usually noticeable this early.
Weeks 3โ€“6: This is typically when men start noticing meaningful improvements in libido, morning erections, and physical stamina. Maca Root’s libido-boosting effects are often reported in this window. Horny Goat Weed’s vascular support also begins to accumulate noticeably by this stage.
Month 3 and Beyond: Consistent use into the third month tends to deliver the most complete results. Testosterone support from Saw Palmetto and Mucuna Pruriens takes time to shift baseline hormone levels meaningfully. The 3-month window is where most users in clinical studies on these individual ingredients report their best outcomes.

Track your progress by noting energy levels, libido, erection frequency and quality, and overall sense of confidence. These practical markers will give you a clearer picture of how your body is responding, regardless of what any single measurement might show.

Customer Reviews & Complaints

User feedback on Vivalis paints a generally positive but realistic picture. Most men who commit to a full 90-day trial report meaningful improvements. That said, a minority find the results underwhelming, especially those who expected faster or more dramatic changes.

โญ Positive Reviews

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“I’ve been using Vivalis for about two months now and the difference in my energy levels alone is worth it. The bedroom performance improvement came around week six and it’s been steady since. Really happy with this.”

โ€” User Report ยท Verified Purchase

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“Stress from my job was killing my drive. After about three weeks on Vivalis I could feel my mood lifting, and my interest came back naturally. It’s not a miracle pill but it’s doing what I hoped it would.”

โ€” User Report ยท Verified Purchase

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“I’m 52 and honestly didn’t think a supplement could move the needle. I was wrong. Not every night is like I’m 30, but I feel more confident knowing things are working properly. Ordered my second 6-bottle pack.”

โ€” User Report ยท Verified Purchase

โš ๏ธ Common Complaints

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“Took it for about 5 weeks without any noticeable change in the area I was most hoping for. Energy was slightly better but I expected more. Might continue another month but I’m on the fence.”

โ€” User Report ยท Verified Purchase

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“Had some stomach issues the first week, especially when I forgot to take it with food. It settled down after about 10 days but the early experience wasn’t great. Works better for me now with breakfast.”

โ€” User Report ยท Verified Purchase

Note: These are self-reported user experiences and do not represent clinical outcomes. Individual results vary considerably based on age, health, lifestyle, and consistency of use.

Vivalis Pricing & Package Options

Vivalis is available in three tiers. Since most users need at least 90 days to evaluate the supplement properly, the 3-bottle and 6-bottle bundles offer both practical and financial advantages over the starter pack.

Starter Pack

2 Bottles

60-Day Supply

$79

per bottle ยท $158 total

+ $9.99 Shipping

Order Now

Good Value

3 Bottles

90-Day Supply

$69

per bottle ยท $207 total

โœ… Free Shipping

Order Now

๐Ÿ† BEST VALUE

Best Results

6 Bottles

180-Day Supply

$49

per bottle ยท $294 total

โœ… Free Shipping ยท Save $888

Order Now

๐Ÿ›ก๏ธ 60-Day Money-Back Guarantee

Vivalis is backed by a 60-day satisfaction guarantee. If you’re not happy with your results after consistent use, you can request a full refund โ€” no questions asked. That means two full months to evaluate the supplement at zero risk. The company processes refunds through their customer service team, and the process is described as hassle-free.

Where to Buy Vivalis

You should purchase Vivalis only through its official website or trusted review partners. Third-party sellers on marketplaces like Amazon or eBay are not authorized distributors. Products sold through those channels may be counterfeit, improperly stored, or expired โ€” and you won’t be covered by the 60-day guarantee if you buy from an unauthorized source.

Buying through official channels also locks in the promotional pricing, free shipping on qualifying bundles, and full customer support access. Don’t gamble with your health or your money on a discounted listing from an unknown third party.

Vivalis Pros & Cons

โœ… Pros โŒ Cons
Six-ingredient formula targeting multiple performance pathways Not FDA-approved to treat erectile dysfunction
Manufactured in FDA-registered, GMP-certified US facility Results require consistent daily use over 4โ€“12 weeks
60-day money-back guarantee with no questions asked Mucuna Pruriens may cause mild early stomach sensitivity
100% natural, non-GMO, no harsh synthetic additives Not recommended for men on hormone therapy without guidance
Addresses testosterone, blood flow, and stamina simultaneously 2-bottle starter pack still requires paid shipping
Transparent ingredient list with research-backed botanicals No published independent third-party lab testing data

Frequently Asked Questions

1. Is Vivalis safe for daily use?

For most healthy adult men, Vivalis is considered safe for daily use based on its natural, plant-derived ingredient list. All six ingredients have established safety profiles in traditional medicine and modern research. Manufacturing in a GMP-certified, FDA-registered facility provides an additional layer of quality assurance. However, individual health situations vary, and men with chronic conditions or those on prescription medications should consult their doctor before starting any new supplement. Starting with the recommended dose and monitoring your response in the first two weeks is always a smart approach.

2. How many capsules should I take each day?

The manufacturer recommends following the dosage instructions printed on the product label that arrives with your order. Most male performance supplements in this category involve one to two capsules per day, ideally taken before a meal with a full glass of water. Don’t exceed the recommended serving size โ€” taking more won’t speed up results and may increase the risk of digestive discomfort. If you have any uncertainty about the right dose for your situation, the Vivalis customer support team can provide guidance.

3. Can I take Vivalis with other supplements?

Generally, Vivalis can be taken alongside other dietary supplements. However, you should be careful about combining it with products that contain overlapping ingredients โ€” particularly other testosterone boosters or libido supplements. Doubling up on ingredients like Maca Root or Saw Palmetto from multiple products isn’t necessarily beneficial and may increase the risk of side effects. If you take any prescription medications, especially for blood pressure, hormones, or blood thinning, consult your healthcare provider before combining Vivalis with anything else.

4. How do I apply for a refund if it doesn’t work?

Vivalis comes with a 60-day money-back guarantee. To request a refund, you need to contact the company’s customer service team within 60 days of your original purchase date. Keep your order confirmation email handy, as you’ll need it to initiate the process. The company describes the refund process as no-questions-asked, meaning you don’t have to provide detailed explanations for your return. Make sure you purchase from the official website or an authorized review partner to ensure the guarantee applies to your order.

5. When can I realistically expect to see results?

Most men notice early changes in energy and mood within the first two weeks. Improvements in libido and physical stamina typically emerge between weeks three and six. Meaningful changes in erection quality and baseline testosterone support tend to show most clearly in the third month of consistent use. This timeline aligns with clinical research on the individual ingredients โ€” particularly Maca Root, which showed significant libido improvements at eight weeks in human trials. Tracking your energy, drive, and performance week by week gives you the clearest picture of progress.

6. Is Vivalis suitable for men over 50?

Yes โ€” men over 50 are actually among the best candidates for Vivalis. Testosterone decline accelerates in this age range, and the compounding effects of stress, reduced sleep quality, and lifestyle factors tend to be most pronounced. The Saw Palmetto in Vivalis specifically addresses age-related prostate changes that can compound performance issues in older men. Mucuna Pruriens also supports dopamine production, which declines with age and plays a significant role in sexual arousal. Of course, men over 50 with existing health conditions should get medical clearance before starting any new supplement.

Final Verdict: Should You Try Vivalis?

After reviewing the formula, the science behind its ingredients, the pricing, and real user experiences, our conclusion is this: Vivalis is a thoughtfully formulated natural supplement that deserves serious consideration from men looking for plant-based performance support.

Its six-ingredient formula covers the three core pillars of male sexual health โ€” testosterone production, blood circulation, and oxidative stress protection โ€” rather than relying on a single-compound approach. That breadth makes it more resilient and more versatile than many competitors in this space. Furthermore, the GMP-certified US manufacturing and 60-day guarantee provide meaningful consumer protections.

That said, Vivalis isn’t for everyone. If you’re dealing with severe erectile dysfunction caused by advanced vascular disease or a serious hormonal disorder, a supplement alone won’t be sufficient. And if you’re expecting pharmaceutical-speed results, you’ll be disappointed. However, for men with moderate performance concerns who are willing to commit to 90 days of consistent use, Vivalis offers a realistic and reasonably well-evidenced path toward improved confidence and vitality.

Overall Rating

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4.0 / 5
Editorial Review Score

โœ… Try Vivalis Risk-Free โ€” 60-Day Guarantee

Official source ยท Secure checkout ยท Free shipping on 3+ bottles

Affiliate Disclosure: This article contains affiliate links. If you click through and make a purchase, we may earn a commission at no additional cost to you. This does not influence our editorial assessments, which remain independent and honest.

Medical Disclaimer: These statements have not been evaluated by the Food and Drug Administration. Vivalis is not intended to diagnose, treat, cure, or prevent any disease. The information in this review is for informational purposes only and does not constitute medical advice. Always consult a qualified healthcare professional before beginning any new supplement regimen, particularly if you take prescription medications or have an existing health condition.

Scientific References

  1. Gonzales, G. F., Cordova, A., Vega, K., Chung, A., Villena, A., Gรณรฑez, C., & Castillo, S. (2002). Effect of Lepidium meyenii (MACA) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men. Andrologia, 34(6), 367โ€“372. https://doi.org/10.1046/j.1439-0272.2002.00519.x
  2. Shukla, K. K., Mahdi, A. A., Ahmad, M. K., Shankhwar, S. N., Rajender, S., & Jaiswar, S. P. (2009). Mucuna pruriens improves male fertility by its action on the hypothalamus-pituitary-gonadal axis. Fertility and Sterility, 92(6), 1934โ€“1940. https://doi.org/10.1016/j.fertnstert.2008.09.045
  3. Liu, W. J., Xin, Z. C., Xin, H., Yuan, Y. M., Tian, L., & Guo, Y. L. (2005). Effects of icariin on erectile function and expression of nitric oxide synthase isoforms in castrated rats. Asian Journal of Andrology, 7(4), 381โ€“388. https://doi.org/10.1111/j.1745-7262.2005.00050.x
  4. Gerber, G. S., Kuznetsov, D., Johnson, B. C., & Burstein, J. D. (2001). Randomized, double-blind, placebo-controlled trial of saw palmetto in men with lower urinary tract symptoms. Urology, 58(6), 960โ€“964. https://doi.org/10.1016/s0090-4295(01)01442-5
  5. Tanaka, M., Misawa, E., Ito, Y., Habara, N., Nomaguchi, K., Yamada, M., & Higuchi, R. (2006). Identification of five phytosterols from Aloe vera gel as anti-diabetic compounds. Biological & Pharmaceutical Bulletin, 29(7), 1418โ€“1422. https://doi.org/10.1248/bpb.29.1418

Note: These studies evaluate individual ingredients under controlled conditions. They do not constitute evidence for the clinical efficacy of the Vivalis formula as a combined product.

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Author

  • blood balance supplement canada

    Robert Hawkins , PhD, is a certified exercise physiologist and sports nutrition scientist with over 16 years of research experience. She completed her doctoral studies at Stanford University and has worked with elite athletic programs across the United States.

    Her expertise spans performance supplementation, recovery science, and body composition optimization. She regularly contributes to academic journals and consults for professional sports organizations on evidence-based nutrition protocols



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