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Sex Pills for Men That Increase Sex Drive | Farr Institute

Sex Pills for Men That Increase Sex Drive | Farr Institute

By Kire Stojkovski M.D
Editor Jonathan Hoarau Published 18 April 2023
Time to read 23 min

If you are on your way back from work or on vacation and you get a passionate text from someone important, but you don’t feel the same excitement in your sex life as previously, you can try some cheap gas station sex pills, but surely there are better options.


Here we explore the best sex pills for men. After a thorough examination, we suggest Performer 8 as the top pick, as it contains natural ingredients backed up by evidence and provides a wide range of benefits.

Best Sex Pills for Men That Increase Sex Drive and Stamina

  • Performer 8 – Best sex supplement overall
  • VigRX Plus – Best sex supplement for a hard erection
  • MaxPerformer – Best sex supplement to increase male sex drive
  • Male Extra – Best sex supplement for performance
  • ProSolution Plus – Best sex pills to increase male sex drive and erection time
  • TestoPrime – Best sex pills to increase testosterone
  • Semenax – Best sex pills for semen volume
  • Viasil – Best sex pills for men over 50
  • TestoFuel – Best older men T-booster to boost male sex drive
  • Prime Male – Best sex pills for building muscle

1. Performer 8 – Best Sex Pills Overall

Performer 8

Pros of Performer 8:

  • This supplement includes horny goat weed, a plant-based compound known for blocking PDE5
  • Enhanced endurance and vitality
  • A refund policy that is valid for the entire duration of ownership


Cons of Performer 8:

  • No trace of zinc or other elements required for synthesizing testosterone is present


Ingredients in Performer 8

  • Horny goat weed (also known as barrenwort)
  • Ashwagandha
  • Ferrous bisglycinate, a form of iron supplementation
  • Muira puama
  • Panax ginseng
  • Glucuronolactone
  • Maca root extracts
  • Pine bark extracts
  • Grape seed extracts


Performer 8: Who Is It For? 

Rather than opting for low-priced gas station sex pills, Performer 8 is the superior option for men dealing with sexual dysfunction. The formula includes horny goat weed that relaxes the smooth muscles to help maintain an erection when aroused. For additional information check out our Performer 8 Review.


Additionally, horny goat weed is the best sex pill for men and may assist in nerve restoration within the penis, which is especially beneficial for those with peripheral neuropathy [1].


Ashwagandha, a well-known tonic herb, has been studied to increase testosterone and sperm counts in men with fertility issues. Testosterone increases libido, so ashwagandha is frequently found in the most effective sex pills to fuel sexual desire [2].


Research has demonstrated that pine bark extract could be advantageous for one’s cardiovascular system in the short and long term.


It was observed in a clinical trial that after just two weeks, blood flow was improved due to the promotion of blood vessel function. Furthermore, it has the potential to guard against oxidative stress and the stiffening of blood vessels that can come with age [3].


Performer 8 Retail Price and Availability

If you purchase directly from the official website, the cost of Performer 8 is $64.99. The most economical option is the six-month package, which comes at a price of $194.99.

Try Performer 8 Today

2. VigRX Plus – Best Sex Pills for a Hard Erection

VigRX Plus

Pros of VigRX Plus: 

  • Damiana inhibits the transformation of testosterone into estrogen
  • Bioperine has been shown to increase the absorption rate of nutritional ingredients in supplements
  • Certain ingredients may be beneficial for the long-term heart health of an individual


Cons of VigRX Plus:  

  • Not much has been documented regarding certain ingredients


Ingredients in VigRX Plus

  • Ginkgo biloba
  • Damiana
  • Hawthorn berry
  • Catuaba bark
  • Bioperine
  • Muira Pauma
  • Horny goat weed
  • Panax ginseng
  • Saw palmetto


VigRX Plus: Who Is It For? 

VigRX Plus is the ideal sex aid product if you experience difficulty achieving a firm erection. A study conducted in 2012 reported in the BMC Complementary and Alternative Medicine magazine explored if VigRX Plus could enhance erectile functioning. 


After a three-month period, the average erectile function scores rose from 16 to 25. One-third of the participants had an erection that was sufficiently hard for intercourse, and more than one participant was in the placebo group [4].


Damiana, a type of aromatase inhibitor, is included in the ingredients. This stops testosterone from transforming into estrogen, so users can be certain that the natural testosterone boosters will not have adverse effects [5].


Moreover, the supplement also includes PDE5 inhibitors, including horny goat weed and muira puama. An investigation of a supplement containing four ingredients found that muira puama was incredibly helpful in reducing PDE5 activity and enhancing cGMP, a chemical messenger necessary for erections [6].


VigRX Plus Retail Price and Availability

One may acquire a one-month supply of VigRX Plus for $69.95 by visiting the brand’s online platform. The company also offers larger packages with a discount, the biggest being a 12-month supply for $589.95.


Read more about this product in our detailed VigRX Plus Review and also make sure to check our VigRX Max Volume Review.

Try VigRX Plus Today

3. MaxPerformer – Best Sex Pills To Increase Male Sex Drive


Pros of MaxPerformer:

  • It is vital to consume vitamins and minerals necessary for generating energy and manufacturing testosterone.
  • Improve energy levels and enhance endurance
  • It may be advantageous for individuals with ailments such as metabolic syndrome and depression


Cons of MaxPerformer: 

  • Exercise extreme caution when taking large doses of vitamin B12 for an extensive period


Ingredients in MaxPerformer

  • Panax ginseng
  • Horny goat weed
  • Selenium
  • Five B vitamins: B2, B3, B5, B6, and B12
  • Bioperine
  • Iron
  • Maca
  • Cordyceps Sinensis
  • Zinc


MaxPerformer: Who Is It For? 

MaxPerformer is our top choice among sex pill brands to increase male libido, with energy-enhancing herbs and vital nutrients, even without directly increasing testosterone.


For example, maca root has been used as a traditional remedy to improve endurance for a long time. It may increase sexual desire in men without increasing testosterone or other hormones [7].


Additionally, Panax ginseng increases the production of testosterone and the number of mitochondria in one’s cells. Mitochondria are responsible for most of your energy, giving you more energy for sexual activity [8].


MaxPerformer Retail Price and Availability

According to our MaxPerformer Review the safest way to get this product is by making an order directly from the supplier’s site at $69 for a single month’s supply. The most noteworthy savings are found when buying the six-month package, valued at $200.

Try MaxPerformer Today

4. Male Extra – Best Sex Pills for Performance

Male Extra

Pros of Male Extra:

  • A full refund will be provided within 100 days of purchase
  • High-powered circulation enhancers
  • Antioxidants are present, which might be beneficial for the long-term well-being of your blood vessels.


Cons of Male Extra:

  • Be cautious when it comes to the larger quantity of zinc (45mg); do not take it in addition to multivitamins.


Ingredients in Male Extra

  • Methyl-sulfonyl methane (MSM)
  • Methionine
  • L-arginine
  • Vitamin B3
  • Zinc
  • Cordyceps Sinensis
  • Pomegranate extracts (standardized to 40% ellagic acid


Male Extra: Who Is It For? 

Male Extra contains nutrients for sexual performance and other ingredients that enhance blood flow and vigor. One of the standout ingredients of Male Extra is L-arginine that amplifies the diameter of blood vessels, leading to stronger and longer-lasting erections. 


A study discovered that a third of participants had noteworthy improvements in sexual function resulting from taking L-arginine by itself [9].


Additionally, pomegranate extract can sustain healthy blood vessels in the long run. Its antioxidant content could obstruct cholesterol from creating blockages in arteries, providing individuals with more years of excellent sex. Furthermore, its capacity to widen blood vessels can improve erectile function [10].


Male Extra Retail Price and Availability

The Male Extra product can be purchased from the official website for $59.99 for one bottle. The best value is $179.99 for a five-month supply plus two erection gels for a more powerful effect.

Try Male Extra Today

5. ProSolution Plus – Best Sex Pills To Increase Male Sex Drive and Erection Time

ProSolution Plus

Pros of ProSolution Plus:

  • Increase enthusiasm and vigor by consuming velvet beans.
  • This product includes ashwagandha, which is beneficial for tackling extreme and enduring weariness.
  • Scientifically-researched ingredients


Cons of ProSolution Plus:

  • There is no indication of where the shilajit originates, which can be a gamble depending on the mineral concentration.


Ingredients in ProSolution Plus

  • Shilajit
  • Velvet bean
  • Asteracantha longifolia
  • Ashwagandha
  • Curculigo orchioides
  • Asparagus adscendens
  • Tribulus terrestris


ProSolution Plus: Who Is It For? 

ProSolution Plus is known to be the most reliable brand of sex pills for males who struggle with premature ejaculation and erectile dysfunction. Men who want to address erectile dysfunction can look for the best ED pills online.


Research has shown that ProSolution Plus can enhance a man’s overall sexual performance. Not only did men experience longer-lasting erections, but their desires also increased along with their satisfaction.


You can also check our Extenze Review if you are looking for similar products that may help with erectile dysfunction.


Additionally, A. adscendens and shilajit can help reduce stress, while ashwagandha and tribulus help improve circulation and libido. Velvet bean and C. orchioides can also raise the sex drive [11].


ProSolution Plus Retail Price and Availability

If you are interested in ProSolution Plus, it can be found on the official product website for $69.95 each. Yet, the 12-month package will provide you with the largest cost savings at $429.95.

Try ProSolution Plus Today

6. TestoPrime – Best Sex Pills To Increase Testosterone


Pros of TestoPrime:

  • To guarantee uniformity, standardized pomegranate, and green tea extracts are utilized.
  • It may be possible to increase testosterone levels by taking zinc, vitamin D, and D-aspartic acid supplements.
  • A guarantee of a refund for the lifetime of the product


Cons of TestoPrime:

  • Taking the recommended four doses daily might not be a pleasant experience
  • A significant portion of zinc is present, making it inappropriate for long-term application


Ingredients in TestoPrime

  • Vitamin B6
  • Vitamin B5
  • Panax ginseng
  • Fenugreek
  • Vitamin D
  • Ashwagandha
  • Green tea extracts, standardized to 70% catechins
  • Pomegranate extracts, standardized to 40% ellagic acid
  • Black pepper extracts
  • Garlic extracts
  • Zinc
  • D-aspartic acid


TestoPrime: Who Is It For? 

TestoPrime is the best choice for raising testosterone, which could improve libido, sexual capacities, and muscle build. Fenugreek, for instance, might elevate testosterone by offering building blocks for the formation of sex hormones.


It may improve sexual excitement and climax quality while boosting muscle growth and vitality [11]. D-aspartic acid is an amino acid that may also stimulate testosterone synthesis. Due to its influence on the pituitary gland, a clinical investigation found that D-aspartic acid intake led to a 42% increase in testosterone [12].


TestoPrime Retail Price and Availability

TestoPrime is slightly more economical than the other male libido enhancers examined in this article. The cost for a single month’s supply is $59.95; if you order six months’ worth, you will have to pay $179.99.

Try TestoPrime Today

7. Semenax – Best Sex Pills for Semen Volume


Pros of Semenax:

  • A cost-effective way to bolster a man’s libido
  • A research paper was featured in the Journal of Clinical Nutrition & Dietetics.
  • There is potential for advantages to be gained both in the short-term with regard to erectile function and long-term regarding the stability of the blood vessels.


Cons of Semenax:

  • Certain ingredients lack adequate scientific proof to support their use


Ingredients in Semenax

  • Swedish pollen flower
  • Pine bark extracts
  • Cranberry extracts
  • Horny goat weed
  • Sarsaparilla
  • L-arginine
  • Muira puama
  • Maca
  • Wild oat straw
  • Hawthorn berry
  • Zinc
  • L-carnitine
  • Pumpkin seeds
  • Tribulus Terrestris
  • L-lysine
  • Zinc aspartate
  • Vitamin E
  • Catuaba bark


Semenax: Who Is It For? 

Semenax is a widely preferred product among male customers looking for supplements to increase their semen volume. Furthermore, several ingredients of this supplement also boost sex drive and blood flow. Check out our Semenax Review for more details.


There is a clinical trial that backs up the efficacy of Semenax. The experiment included sixty-eight individuals who took either Semenax or a placebo for two months.


At the end of the study, the average semen volume of the group taking Semenax had increased by almost twenty percent. Furthermore, it raised the sperm count and improved the quality of orgasm compared to the placebo participants. [13].


Semenax Retail Price and Availability

The official website of Semenax offers a wallet-friendly price, making it competitive with other sexual enhancement products sold in gas stations.


A single bottle is priced at $39.97 or $1.33 per day. If you purchase a year’s supply, it would cost you only $399.95, which amounts to $1.10 per day. On the other hand, buying it from Walmart would cost you $59.95 per bottle.

Try Semenax Today

8. Viasil – Best Sex Pills for Men Over 50


Pros of Viasil:

  • Taking a single pill each day is a practical way to go
  • Deals that offer the most bang for your buck include gel for erections
  • Dietary ingredients can have a positive effect on cardiovascular health over a prolonged period of time


Cons of Viasil:

  • Taking the larger pill may be an unpleasant experience


Ingredients in Viasil

  • Orange extracts
  • Pomegranate extracts
  • Zinc
  • Panax ginseng
  • Tribulus Terrestris
  • Horny goat weed
  • Ginkgo biloba


Viasil: Who Is It For? 

Viasil is our highest recommendation for those men who have passed their 50s and are hunting for a natural and effective way to revive sexual performance. Its ingredients can help to generate energy, improve blood flow, and increase testosterone production, making it one of the best sex pills for seniors.


Ginkgo biloba can even be advantageous during difficult times, such as when a man is consuming antidepressants. As it has the capacity to increase circulation and neurological functioning, which decreases with age, in research, 76% of men reported enhanced sexual performance [14].


Viasil Retail Price and Availability

A single bottle of Viasil can be purchased for $59.99, or you can opt for the best value and buy a one-year supply for $359.99 if you are sure of the results.

Try Viasil Today

9. TestoFuel – Best Older Men T-Booster Pills To Increase Male Sex Drive


Pros of TestoFuel:

  • Taking vitamin K2 and vitamin D supplements may benefit bone health
  • It is possible that both Panax ginseng and maca root can increase a person’s energy levels
  • There are two distinct origins of zinc


Cons of TestoFuel:

  • Those who follow a vegetarian lifestyle may not benefit from oyster shell extract as much as others


Ingredients in TestoFuel

  • Vitamin D
  • Magnesium
  • Fenugreek seed
  • Zinc
  • Oyster shell extract
  • Maca root
  • Panax ginseng
  • Boron
  • Vitamin K2
  • D-aspartic acid


TestoFuel: Who Is It For? 

TestoFuel is the most effective supplement for elderly men looking to augment their sexual capability and libido. It includes ingredients that enhance endurance alongside the nutrients important for maintaining testosterone. 


Laboratory research discovered that when ingredients like ginseng and oyster extract are combined, they are more advantageous than the additive of their separate effects.


The study found that they could raise testosterone levels and act as a natural PDE5 inhibitor, potentially offering men firmer and longer erections when aroused [15]. Additionally, oysters are an exceptional nutritional zinc-rich food.


TestoFuel Retail Price and Availability

You can purchase TestoFuel from its original webpage, which is sold in a few bundles. The optimal deal is a four-month supply, which costs $195.00, while a single bottle is valued at $65.00 if you only want to try it for a month.

Try TestoFuel Today

10. Prime Male – Best Sex Pills for Building Muscle

Prime Male

Pros of Prime Male:

  • It is possible that luteolin could possibly decrease the amount of estrogen manufactured from testosterone
  • Various natural substances are known to increase testosterone levels
  • The most cost-effective deal includes an exercise regimen


Cons of Prime Male:

  • It’s advised to take the medication in four separate portions, which can be quite inconvenient


Ingredients in Prime Male

  • Boron
  • Ashwagandha
  • Panax ginseng
  • Vitamin D
  • Vitamin B6
  • Black pepper
  • Nettle root extracts
  • Vitamin K2
  • D-aspartic acid
  • Magnesium
  • Luteolin
  • Zinc


Prime Male: Who Is It For? 

Prime Male is not just a great supplement to increase libido but also to help promote overall physical well-being. Ashwagandha is a key component if you are looking to build muscle mass; research has shown that men who took the herb were better able to increase their strength than those who consumed a placebo and could lift 20kg more in bench presses [16].


Vitamin D is necessary to help repair muscle tissue damaged due to exercise, sickness, or injury [17]. By lifting heavier, exercising more frequently due to higher energy levels and quicker recovery, and having a generally more active lifestyle, you will significantly increase T levels and your sex drive.


Prime Male Retail Price and Availability

A single bottle of Prime Male, which includes adequate doses to last a month, runs for seventy-five dollars. You can grab the four months’ supply plus the Boss Prime Body transformation program for two hundred and twenty-five dollars to get the most bang for your buck.

Check out the best prices and discounts for PrimeMale

Best Sex Pills for Men: What Are They and Do They Actually Work?

Male sexual enhancers are dietary supplements that improve your sexual capability and sex drive.


They usually work by expanding blood flow and augmenting testosterone levels and vitality. Science-supported products can be potent; however, others, such as inexpensive gas station libido supplements, may contain fillers or ingredients with an inadequate research base.

What Ingredients Can Be Found in the Best Sex Pill?

When assessing male enhancement pills, there are many different nutritional elements and herbal solutions to choose from.


Some of the most effective ingredients of these supplements are Horny Goat Weed, Korean Ginseng, Zinc, Ashwagandha, Pomegranate extract, and Ginkgo Biloba, which have all been shown to increase masculinity and revive sexual vigor.

What To Expect When Buying Gas Station Sex Pills: Are There Any Risks?

The miracle-like properties of the over-the-counter gas station sex pills have been greatly exaggerated, meaning they are far from the best sex pills when considering the effect and potential side effects.


In reality, these types of pills are quite dangerous. If a person were to ask a gas station cashier if these pills are effective, the answer would most likely be, “I don’t know.”


The FDA has issued warnings about the side effects of some of these gas station sex pills, especially those that promise to work for a prolonged period of time. Moreover, some of the pills contain pharmaceutical or hormonal ingredients that are not stated on the label.


Reports of supposedly “natural” supplements sold at gas stations have included adverse reactions such as intense facial flushing, profuse sweating, and enlarged pupils. Therefore, we would advise against purchasing gas station sex pills.


Gas sex pills may have some effect, but they will be especially effective for people suffering from specific conditions like ED. If you are in that demographic, we recommend checking out Bluechew’s ED service. Telehealth ED like BlueChew will include a BlueChew Free Trial and Samples for those skeptical of their service.

What To Look for When Searching for the Best Sex Pills for Men?

When searching for the most effective male enhancement supplements, the safest bet is to stick with items produced by a trustworthy company with good standing. Additionally, look for supplements that include ingredients that have been authorized by the FDA and are backed by research.

Sex Pills Containing Well-Established and Natural Ingredients

Any dietary supplements you ingest, even those meant to enhance your sex life, must only contain ingredients with established histories of use or research. Steer clear of ingredients with a limited online presence and unknown origins.

Avoid Buying Gas Station Sex Pills, Even When in Hurry

Products sold at gas stations labeled as “sex pills” cannot be endorsed by pharmacists or other medical personnel because there is no guarantee of their safety, effectiveness, or quality. If you are looking for a good time, it is better to select trustworthy supplements in advance.

The Best Sex Pills Are Usually Backed With Studies

With the best sex pills, all the ingredients typically have been backed up with scientific research. Look for those that offer a variety of advantages, such as boosting blood flow, heightening testosterone, and providing more vigor.

Customer Reviews: The Best Sex Pill Will Not Be Left Unnoticed

Opinions from customers can offer insight into the practical effects of taking supplements since many studies only analyze individual ingredients. Reviews can also provide information on the level of customer service provided.

Try Performer 8  Today

Sex Shop Pills Near Me: Where To Buy?

If you are searching for libido boosters for men, your most reliable bet is to look on the Internet or go to a drugstore or nutrition shop. Sex shops and gas stations are much less likely to have products that have been medically researched, meaning the best sex pills are often missing.

Benefits of Online Sex Pills Over Gas Station Sex Pills

If you are looking for reliable and cost-effective sex pills for men, the best option is to shop online. This is because the internet allows you to source supplements made from high-grade, evidence-backed ingredients, which cannot be said for the pills sold in gas stations.


The quality of pills to increase sex drive in males may not be vetted by healthcare professionals; consequently, the quality of these products is often questionable. Furthermore, gas station sex pills are usually not sold in bundles, so you may not be able to enjoy the same value for money as you would online.

Try Performer 8 Today

Best Sex Pills for Men: Side Effects and Possible Interactions with Other Medications

Even with the evidence-based and natural best sex pills, it is essential to consider the potential side effects and interactions between sex pills and supplements or prescription drugs. This is why purchasing gas station sex pills is a bad idea since you can’t get any advice, and there is no complete list of ingredients.


It is important to consult a doctor if you are looking to take sex pills while taking other medications due to the possibility of conflicting ingredients. For example, the ingredients used to widen blood vessels could lower blood pressure or produce facial flushing, and they may not be compatible with PDE5 inhibitors or blood pressure medication.


Furthermore, if you are using other supplements, you should also check those pills’ ingredients. Some of the sex pills we evaluate in this article have high amounts of zinc or vitamin B12, potentially dangerous if taken in excess.

Try Performer 8 Today

Best Sex Pills for Men FAQs

Men are curious to know the best ED medications, and which products can enhance their libido, as well as if it is a wise decision to purchase Cheap Viagra alternatives.

Will the Best Sex Pills Increase Sex Drive and Help Maintain a Longer Erection at the Same Time?

Generally, the ingredients in the best sex pills can elevate one’s libido and improve circulation, leading to extended erections. Testosterone, which boosts libido and erectile capacity, is included in the most effective supplements.

Are Sex Pills Safe To Be Used Together With Other Medications?

Depending on the drug, certain ingredients from the best sex pills may interact adversely with medicines used to manage blood pressure or with other PDE5 inhibitors. Before commencing intake of any new supplement, it is essential to consult your medical professional if you are taking any prescription medicine.

Which Products Are Considered To Be the Best Sex Pills Over the Counter?

In our selection of the top 10 best sex pills, Performer 8 is the most advantageous sex pill. VigRX Plus is the most advantageous for improving erectile function, and MaxPerformer is the most helpful for boosting male libido.

Should I Consider Buying Any Gas Station Sex Pills Near Me?

Employees at the gas station do not have any medical knowledge when it comes to ordering or suggesting what the best sex pills are, so it is impossible to guarantee the quality of the ingredients, the effectiveness, or even the safety. Additionally, these pills could be mixed with other pharmaceutical drugs.

Where Can I Get the Best Over the Counter Sex Pill To Stay Hard Longer?

It is possible to purchase the best sex pills, such as Performer 8 and VigRX Plus, either through their official websites or in certain pharmacies and health food stores. If you are struggling with ED, consider our BlueChew review or our Hims vs Roman Comparison, and explore evidence-based ways to alleviate ED symptoms.

Best Sex Pills for Men: Final Thoughts

The Best Male Enhancement Pills include only fact-based and natural ingredients, which bring various advantages and are verified to be safe. These can boost circulation, increase testosterone production, and boost energy. Gas station sex pills are not nearly as reliable as the top supplements we discovered, as their selection is arbitrary.


To conclude, the greatest sex pills we identified are from Performer 8. They contain ingredients that can boost stamina, testosterone boosters, and a natural PDE5 inhibitor, allowing you to gain enhanced sexual activity and improved overall health.

Try Performer 8 Today

Related Articles:


  1. Shindel, Alan W et al. “Erectogenic and neurotrophic effects of icariin, a purified extract of horny goat weed (Epimedium spp.) in vitro and in vivo.” The journal of sexual medicine vol. 7,4 Pt 1 (2010): 1518-28. doi:10.1111/j.1743-6109.2009.01699.x
  2.  Ambiye, Vijay R et al. “Clinical Evaluation of the Spermatogenic Activity of the Root Extract of Ashwagandha (Withania somnifera) in Oligospermic Males: A Pilot Study.” Evidence-based complementary and alternative medicine : eCAM vol. 2013 (2013): 571420. doi:10.1155/2013/571420
  3. Nishioka, Kenji et al. “Pycnogenol, French maritime pine bark extract, augments endothelium-dependent vasodilation in humans.” Hypertension research : official journal of the Japanese Society of Hypertension vol. 30,9 (2007): 775-80. doi:10.1291/hypres.30.775
  4. Shah, Gaurang R et al. “Evaluation of a multi-herb supplement for erectile dysfunction: a randomized double-blind, placebo-controlled study.” BMC complementary and alternative medicine vol. 12 155. 15 Sep. 2012, doi:10.1186/1472-6882-12-155
  5. Palacios, S et al. “Effect of a multi-ingredient based food supplement on sexual function in women with low sexual desire.” BMC women’s health vol. 19,1 58. 30 Apr. 2019, doi:10.1186/s12905-019-0755-9
  6. Ferrini, Monica G et al. “Effect of ginger, Paullinia cupana, muira puama and l- citrulline, singly or in combination, on modulation of the inducible nitric oxide- NO-cGMP pathway in rat penile smooth muscle cells.” Nitric oxide : biology and chemistry vol. 76 (2018): 81-86. doi:10.1016/j.niox.2018.03.010
  7. Gonzales, G F et al. “Effect of Lepidium meyenii (MACA) on sexual desire and its absent relationship with serum testosterone levels in adult healthy men.” Andrologia vol. 34,6 (2002): 367-72. doi:10.1046/j.1439-0272.2002.00519.x
  8. Jung, Dong-Hyuk et al. “Effects of ginseng on peripheral blood mitochondrial DNA copy number and hormones in men with metabolic syndrome: A randomized clinical and pilot study.” Complementary therapies in medicine vol. 24 (2016): 40-6. doi:10.1016/j.ctim.2015.12.001
  9. Chen, J et al. “Effect of oral administration of high-dose nitric oxide donor L-arginine in men with organic erectile dysfunction: results of a double-blind, randomized, placebo-controlled study.” BJU international vol. 83,3 (1999): 269-73. doi:10.1046/j.1464-410x.1999.00906.x
  10. Forest, C P et al. “Efficacy and safety of pomegranate juice on improvement of erectile dysfunction in male patients with mild to moderate erectile dysfunction: a randomized, placebo-controlled, double-blind, crossover study.” International journal of impotence research vol. 19,6 (2007): 564-7. doi:10.1038/sj.ijir.3901570
  11. Steels, Elizabeth et al. “Physiological aspects of male libido enhanced by standardized Trigonella foenum-graecum extract and mineral formulation.” Phytotherapy research : PTR vol. 25,9 (2011): 1294-300. doi:10.1002/ptr.3360
  12. Topo, Enza et al. “The role and molecular mechanism of D-aspartic acid in the release and synthesis of LH and testosterone in humans and rats.” Reproductive biology and endocrinology : RB&E vol. 7 120. 27 Oct. 2009, doi:10.1186/1477-7827-7-120
  13. MacKay, D et al. “Effect of a Polyherbal Dietary Supplement on Semen Characteristics: A Randomized, Double-Blind Placebo-Controlled Clinical Trial.” Journal of Clinical Nutrition & Dietetics vol. 8,4 (2022): 178-90. doi:10.36648/2472-1921.8.4.178
  14. Cohen, A J, and B Bartlik. “Ginkgo biloba for antidepressant-induced sexual dysfunction.” Journal of sex & marital therapy vol. 24,2 (1998): 139-43. doi:10.1080/00926239808404927
  15. Li, Di et al. “Combined Effects of Oligopeptides Isolated from Panax ginseng C.A. Meyer and Ostrea gigas Thunberg on Sexual Function in Male Mice.” International journal of environmental research and public health vol. 18,5 2349. 28 Feb. 2021, doi:10.3390/ijerph18052349
  16. Wankhede, Sachin et al. “Examining the effect of Withania somnifera supplementation on muscle strength and recovery: a randomized controlled trial.” Journal of the International Society of Sports Nutrition vol. 12 43. 25 Nov. 2015, doi:10.1186/s12970-015-0104-9
  17. Caballero-García, Alberto et al. “Effect of Vitamin D Supplementation on Muscle Status in Old Patients Recovering from COVID-19 Infection.” Medicina (Kaunas, Lithuania) vol. 57,10 1079. 9 Oct. 2021, doi:10.3390/medicina57101079