Here are the five best online pharmacies where you can buy Viagra online. We reviewed Hims, Roman, Lemonaid, Optum Perks, and REX MD and compared their prices and customer review scores.For treatment of erectile dysfunction: For oral dosage form (tablets): Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed.Oct 16, 2023 · As if further proof was needed to prove how multitalented Issa Rae already is, the Golden Globe winner is tapping into the wine industry with the announcement of her very own Prosecco brand. To make her wine dreams a reality, Rae collaborated with E. & J. Gallo Winery to craft Viarae Prosecco, which is now available in select cities nationwide. If you're taking sildenafil for pulmonary hypertension and get these side effects, there are things you can do to help cope with them: Headaches. Feeling sick (nausea) Flushing including hot flushes. Indigestion. Stuffy nose. Feeling dizzy. Tell your doctor or pharmacist if the advice on how to cope does not help or the side effects get worse.Sildenafil. Sildenafil works when taken within 1 hour of sex and is an effective treatment for men with erectile dysfunction. (42) Get started. Prices from £14.00. FREE delivery included. In stock. Simply fill in a brief questionnaire. One of our doctors will review your order and prescribe a suitable treatment.Our 50% off special ends soon. Just a few more days to take advantage of our 300 Viagra tabs special. View Special. Buy Generic Viagra Online from India at ViaBestBuy Online Pharmacy. Order Cheap Viagra for $99 per 100 Pills. Purchase Real Viagra in the Safest Place Credit Card, PayPal & Bitcoin.Being a member of the VIAGRA program will provide you with tips to help you get brand name VIAGRA.If you’re already receiving brand name VIAGRA, you will get useful information to help you on your VIAGRA journey.. Some insurers limit full-cost coverage for higher-cost interchangeable drugs to patients who meet certain criteria and, in some …Trailblazing Actress, Writer and Producer Issa Rae Announces Viarae Prosecco. HEALDSBURG, Calif., Oct. 16, 2023 /PRNewswire/ -- Viarae Prosecco introduces an exciting new voice in …Rae has just launched Viarae, her very own Italian sparkling wine. Meant for “catching up, turning up, or whatever’s up,” Viarae is a versatile and approachable prosecco for every kind of ... It contains the same active ingredient as Levitra and can begin working in about 15 minutes. Viagra takes around 30 minutes to become effective and lasts about 4 hours. Cialis lasts much longer ... Viarae. Viarae is crisp and refreshing enough to drink on its own, but also carries its weight as a cocktail mixer. So we presented Issa with a prosecco-themed round of F*ck, Marry, Kill: Mimosa ...Rae has just launched Viarae, her very own Italian sparkling wine. Meant for “catching up, turning up, or whatever’s up,” Viarae is a versatile and approachable prosecco for every kind of ...But in clinical studies, Viagra hasn’t proven to be the answer for sexual dysfunction outside of its primary purpose. Even still, some healthcare providers sometimes prescribe it off-label for ...Jan 26, 2024 · In most people, Viagra works within 1 hour after it’s taken. It’s possible that Viagra can begin working within 30 minutes of being taken. But other times, it may take up to 4 hours to start ... Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before sex. Cialis can cause limb pain, while Viagra can cause vision change, rash ...This week, the actor and producer celebrated the launch of her new line of Prosecco, Viarae. The sparkling wine is inspired by her love of celebrating life's small and big accomplishments. It will ...Alcohol effects. Causes. Using Viagra. Takeaway. Having one drink with Viagra is usually harmless and can help set the mood. But too much alcohol can worsen erectile dysfunction (ED) and reduce ...Feb 1, 2024 · For treatment of erectile dysfunction: For oral dosage form (tablets): Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed. HEALDSBURG, Calif., (October 16, 2023) - Viarae Prosecco introduces an exciting new voice in wine, celebrating good times and great friends no matter the occasion.A partnership between Emmy- and Golden Globe-nominated actress, producer, entrepreneur, and writer Issa Rae and E. & J. Gallo Winery, Viarae Prosecco is a bright, …May 19, 2022 · The vagina and clitoris also contain PDE5. So, if a female takes Viagra, the drug may increase blood flow to these areas. However, female genitals contain less PDE5 than male genitals, so Viagra may have less of an effect in females. As well, female sexual function relies heavily on desire and arousal. Headache, flushing, and upset stomach are common Viagra side effects. These effects are usually mild and often resolve on their own. While rare, Viagra can cause an erection that lasts longer than 4 hours (priapism). This can result in permanent damage if left untreated. Vision changes are also possible.Viagra Could Be Good for Your Brain. Artificial intelligence is allowing scientists to discover new uses for old medications. Journal Editorial Report: The week's best and worst from Mary …Sildenafil (Viagra) is a phosphodiesterase-5 (PDE-5) inhibitor. PDE-5 is a protein in your body that breaks down the molecules that normally cause an erection. When it blocks PDE-5, sildenafil (Viagra) helps an erection occur by allowing certain muscles in the penis to relax and the penis to fill with blood. info. Side Effects. Dizziness, headache, flushing, or stomach upset may occur. Vision changes such as increased sensitivity to light, blurred vision, or trouble telling blue and green colors apart may ... This product information is intended only for residents of the United States. In order to properly inform the public, we have developed the following statement to be placed at the top of certain product pages: The products on this page have been transferred to VIATRIS SPECIALTY LLC. The U.S. Physician Prescribing Information and Patient ...Yohimbe. Yohimbe is another supplement that helps treat ED by stimulating penile blood flow. It promotes the production of norepinephrine, a neurotransmitter that’s vital to achieving erections ...Dec 5, 2023 · Viarae is a Prosecco brand started by actress, producer, and writer Issa Rae and E. & J. Gallo Winery. The pair partnered up to create a brand of sparkling wine designed to celebrate good moments with great friends. Featuring notes of ripe peach and green apple, Viarae Prosecco is light and crisp with a hint of sweetness. The discount plan organization is Hippo Network LLC, One World Trade Center, Suite 8500 New York, NY 10007, 1-877-387-8042, [email protected], https://hellohippo.com. DRUG_DESCRPTION Compare DRUG_NAME prices and find coupons that could save you up to 80% instantly at pharmacies near you such as CVS, Walgreens, Walmart, and …With Viarae, the bottle design takes a different approach to the typical pink and blue Prosecco labels adorned with over-embellished calligraphy, opting for bright green text and a vintage 1970s ...Viarae Prosecco is a sparking wine that can be enjoyed on its own or combined with other things for a crafted cocktail. The drink’s positioning in the alcoholic beverage market frames it as what ...Feb 1, 2024 · For treatment of erectile dysfunction: For oral dosage form (tablets): Adults up to 65 years of age—50 milligrams (mg) as a single dose no more than once a day, 1 hour before sexual intercourse. Alternatively, the medicine may be taken 30 minutes to 4 hours before sexual intercourse. Your doctor may adjust your dose if needed. Viagra is available in three doses in the UK. 50mg is the standard dose, 25mg is the lowest dose, and 100mg is the highest. The dosage refers to how much of the active ingredient (sildenafil citrate) is in the tablet. 1mg is the same as 0.1g, so the amount of active ingredient in a Viagra tablet is quite small, but that’s all that’s needed ...The effects may be increased because of slower removal of the medicine from the body. Leukemia (blood related cancer) or. Multiple myeloma (blood related cancer) or. Sickle-cell anemia (blood disorder)—Sildenafil should be used with caution in these patients as problems with prolonged erection of the penis may occur.Serious side effects from Viagra are rare, occurring in less than 1 in 1,000 people. Serious side effects of Viagra include: Chest pain. A prolonged and a painful erection lasting several hours (priapism) An allergic reaction …20 likes, 11 comments - gettingittaylored on November 24, 2023: "Nanna and I tried Issa Rae’s Prosecco, Viarae! #wine #issarae #hbo #prosecco #wino #viarae #viaraereview #winetasting …10.16.2023. HEALDSBURG, Calif., (October 16, 2023) - Viarae Prosecco introduces an exciting new voice in wine, celebrating good times and great friends no matter the occasion. A …Here's What You Need to Know About Issa Rae's Wine Brand Viarae — And Where to Find It. It’s no secret that Viarae is having a serious moment on social media. From picture-perfect …Rae has just launched Viarae, her very own Italian sparkling wine. Meant for “catching up, turning up, or whatever’s up,” Viarae is a versatile and approachable prosecco for every kind of ...Viarae Prosecco D.O.C is an expressive, aromatic and refreshingly crisp take on Prosecco. Grown in scenic vineyards under the glowing sun of the Northern Italian sky, Viarae offers aromas of rich florals and fresh fruit. Delicate and aromatic, Viarae Prosecco D.O.C. is made from high-quality Glera grapes grown by a leadingItalian cooperative.You can take the drug 30 minutes to 4 hours before you anticipate sexual activity. Based on how well you respond to this dosage and any side effects you have, your doctor may either increase your ...Ginseng. One study of Panax ginseng showed it improved sexual function in men with erectile dysfunction. A cream preparation is used for premature ejaculation. Panax ginseng contains many active ingredients. It appears to be safe used on a short-term basis. Insomnia, headaches and vertigo are common side effects.Lower-cost generic is available. Ratings & Reviews. Sildenafil has an average rating of 8.2 out of 10 from a total of 504 ratings on Drugs.com. 78% of reviewers reported a positive effect, while 13% reported a negative effect. Viagra has an average rating of 8.6 out of 10 from a total of 262 ratings on Drugs.com. 83% of reviewers reported a ...The Food and Drug Administration (FDA) has not approved Viagra (sildenafil) for use in women. However, your healthcare provider may prescribe it for off-label use in female sexual arousal disorder (FSAD)–a type of sexual dysfunction characterized by low sex drive (libido) in females. There is currently limited evidence that Viagra benefits ...Jun 24, 2023 · They're often the first line of treatment for trouble getting or keeping an erection, called erectile dysfunction (ED). Oral medicines for ED usually work well and cause few side effects. The four main medicines taken by mouth for erectile dysfunction are: Avanafil (Stendra). Sildenafil (Viagra). Let’s Get Acquainted. Share your birthday and let’s celebrate the moments that give us life. By entering the Viarae website, you affirm that you are of legal drinking age in the country where …Oct 16, 2023 · About Viarae Prosecco Viarae Prosecco is a sparkling white wine from Issa Rae, the celebrated creator of "Insecure." Perfect for those candid, unfiltered moments with friends, toasting to the ... Viarae is a Prosecco brand started by actress, producer, and writer Issa Rae and E. & J. Gallo Winery. The pair partnered up to create a brand of sparkling wine designed to celebrate good moments with great friends. Featuring notes of ripe peach and green apple, Viarae Prosecco is light and crisp with a hint of sweetness.1. Avoid taking Viagra with a large meal or high-fat meal. Viagra blood levels peak an hour after you swallow the tablet on an empty stomach. According to Ramin, if you eat a large or high-fat ...1. MUSE. One Viagra alternative is the Medicated Urethral System for Erection, known as MUSE (alprostadil). It’s a small pellet that’s inserted into the opening of your penis. MUSE contains alprostadil, a synthetic form of prostaglandin that relaxes muscles and widens blood vessels in the penis.Viarae Prosecco is a sparkling white wine from Issa Rae, the celebrated creator of "Insecure". Perfect for those candid, unfiltered moments with friends, toasting to the level ups, or... just because. It’s an any-occasion kind of vibe. More than just a fresh take on Italian wine, this bright, crisp, and lively blend represents the freedom to let loose and be …Viarae will help us reach that goal.” Prosecco was a key figure in Insecure, Rae’s award-winning fictional series, often serving as a central figure of some of the show’s most memorable scenes.Generic Viagra (sildenafil) is available as a 20-, 25-, 50-, and 100-milligram (mg) pill and in liquid form. It’s meant to be taken as needed — about an hour before sex — but shouldn’t be ...You take one 2.5 or 5 mg pill daily instead of taking it as needed. Levitra (vardenafil): This medication is taken one hour before sex and can last up to 24 hours. It's available in 10 mg and 20 mg tablets. Stendra (avanafil): This is an as-needed medication taken 30 minutes before sex and can last up to six hours.Oct 16, 2023. Issa Rae launches Viarae Prosecco. (Photo courtesy of Viarae) This month, actor and producer Issa Rae launches Viarae, her new line of Prosecco inspired by her — and her …Viagra (sildenafil) is a prescription medication that treats erectile dysfunction (ED). Viagra is an oral medication. It’s available as 25 mg, 50 mg, and 100 mg tablets. You can take a dose about 1 hour before sexual activity. Viagra is available as a …Viagra Connect is an erectile dysfunction medication that can be bought over the counter, subject to approval by a pharmacist. Price Checker. Generic or Branded. Quantity. £ 9.99. 0.00 per tablet Lowest price guarantee Includes FREE private prescription. Start order now. Receive it: Sunday. Order within: 00 min 00 sec.You can take the drug 30 minutes to 4 hours before you anticipate sexual activity. Based on how well you respond to this dosage and any side effects you have, your doctor may either increase your ...Potential benefits. We know that in men, Viagra dilates blood vessels and increases the flow of blood to the penis. Women who take it might also have increased blood flow to the genitals. That may ...Up to 50% of men experience erectile dysfunction (ED) by age 50. And this percentage increases with age. For many men with ED, sildenafil (Viagra) is a first-choice medication to help get or maintain an erection. But high blood pressure, heart disease, and prostate problems are also more common in men as they get older.And many of the … Viarae Prosecco is a sparkling white wine from Issa Rae, the celebrated creator of "Insecure". Perfect for those candid, unfiltered moments with friends, toasting to the level ups, or... just because. It’s an any-occasion kind of vibe. More than just a fresh take on Italian wine, this bright, crisp, and lively blend represents the freedom to let loose and be authentic. Cheers to good friends ... Vision changes. Muscle pain. But there are some differences. With Viagra, there is a higher risk of vision changes than with Cialis. Among people who take Viagra or sildenafil, 3% get blue vision that lasts a few hours. On the other hand, Cialis has a slightly higher risk of muscle pain than Viagra and vardenafil. Sildenafil citrate is a white to off-white crystalline powder with a solubility of 3.5 mg/mL in water and a molecular weight of 666.7. VIAGRA is formulated as blue, film-coated rounded-diamond-shaped tablets equivalent to 25 mg, 50 mg, and 100 mg of sildenafil for oral administration. Yohimbe. Yohimbe is another supplement that helps treat ED by stimulating penile blood flow. It promotes the production of norepinephrine, a neurotransmitter that’s vital to achieving erections ...This product information is intended only for residents of the United States. In order to properly inform the public, we have developed the following statement to be placed at the top of certain product pages: The products on this page have been transferred to VIATRIS SPECIALTY LLC. The U.S. Physician Prescribing Information and Patient ...This product information is intended only for residents of the United States. In order to properly inform the public, we have developed the following statement to be placed at the top of certain product pages: The products on this page have been transferred to VIATRIS SPECIALTY LLC. The U.S. Physician Prescribing Information and Patient ...Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before sex. Cialis can cause limb pain, while Viagra can cause vision change, rash ...Viarae Prosecco is a sparking wine that can be enjoyed on its own or combined with other things for a crafted cocktail. The drink’s positioning in the alcoholic beverage market frames it as what ...The Food and Drug Administration (FDA) has not approved Viagra (sildenafil) for use in women. However, your healthcare provider may prescribe it for off-label use in female sexual arousal disorder (FSAD)–a type of sexual dysfunction characterized by low sex drive (libido) in females. There is currently limited evidence that Viagra benefits ...Dr. Steven Lamm, MD. Medical Director of NYU Men’s Health Center. View full bio. Roman is a digital health clinic for men. We handle everything from online evaluation to delivery of treatment and free ongoing care for ED, PE & more.Initial dose: 50 mg orally once a day, as needed, about 1 hour prior to sexual activity. Maintenance dose: May increase to 100 mg or decrease to 25 mg once a day, based on efficacy and tolerability. Maximum dose: 100 mg orally once a day. Comments: This drug may be taken anywhere from 30 minutes to 4 hours before sexual activity.This week, the actor and producer celebrated the launch of her new line of Prosecco, Viarae. The sparkling wine is inspired by her love of celebrating life's small and big accomplishments. It will ...Viagra (sildenafil) is a prescription drug that’s used to treat erectile dysfunction (ED). The drug comes as a tablet you’ll take by swallowing. It’s usually taken as needed about 1 hour ... Viagra is a brand-name drug manufactured by Pfizer. Sildenafil citrate is the generic version. The average Viagra cost is about $105.63 for 1, 100MG Tablet of Viagra. However, you can use a free Viagra coupon from SingleCare’s discount program below to pay a reduced price of $11.49 for 30, 100mg Tablet of generic Viagra at participating ... “Introducing Viarae Prosecco, a sparkling wine for good times. Get your bottle @viaraewines today! Extra love to my friends @jai_lorenzo, @mlawson314 @justaba, @devindanielle12 for always being ...Cialis lasts up to 36 hours in the body, while Viagra lasts 4–6 hours in the body. Both are taken 30 minutes before sex. Cialis can cause limb pain, while Viagra can cause vision change, rash ...Megan Brooks. March 12, 2024. 0. A new study provides more evidence that sildenafil (Viagra) which is used to treat erectile dysfunction (ED) may help protect against Alzheimer's disease …Viagra is a drug that helps treat erectile dysfunction. It improves blood flow to the penis, and its effects can last for up to 4 hours, although the effect will likely be stronger after 2 hours ...Dec 1, 2023 · Initial dose: 50 mg orally once a day, as needed, about 1 hour prior to sexual activity. Maintenance dose: May increase to 100 mg or decrease to 25 mg once a day, based on efficacy and tolerability. Maximum dose: 100 mg orally once a day. Comments: This drug may be taken anywhere from 30 minutes to 4 hours before sexual activity. Dec 5, 2023 · Viarae is a Prosecco brand started by actress, producer, and writer Issa Rae and E. & J. Gallo Winery. The pair partnered up to create a brand of sparkling wine designed to celebrate good moments with great friends. Featuring notes of ripe peach and green apple, Viarae Prosecco is light and crisp with a hint of sweetness. Oral tablet. Brand Names. Other sildenafil brands include: Liqrev, Revatio. Other tadalafil brands include: Adcirca, Alyq, Tadliq. Liqrev, Revatio, Viagra. Half Life The half-life of a drug is the time taken for the plasma concentration of a drug to reduce to half its original value. 4 hours. 17.5 hours. 4 hours.Viagra (sildenafil) and cost. Viagra (sildenafil) is a brand-name oral tablet prescribed for erectile dysfunction. The cost of the drug with and without insurance can depend on several factors ...Don’t eat a heavy meal beforehand. Eating a heavy or high-fat meal before you take Viagra can mean that it takes longer for it to take effect, as a heavy meal can delay how quickly the body absorbs it. 2. Don’t mix alcohol and Viagra. Alcohol-induced erectile dysfunction is common, as consuming alcohol can lower sexual sensitivity. LEARN MORE ABOUT VIAGRA. Taking VIAGRA. How to Get Brand-Name VIAGRA. Safety & Possible Side Effects. See risks & benefits. Find tools and resources to help your take an active role in managing your ED. Recently announced is a partnership between Emmy- and Golden Globe-nominated actress, producer, entrepreneur and writer Issa Rae and E. & J. Gallo Winery. Together they introduced Viarae Prosecco, a bright, crisp lively, and refreshingly refined take on the classic Italian sparkling wine. Viarae Prosecco is an exciting new voice in wine ...
Find Near Me. To search for a product fill out the search form below and click the "Find" button. Results searched by distance are approximate. Zip Code. Miles to search * 10 miles 15 miles 20 miles 25 miles. Product availability information is accurate to the best of our knowledge from information provided by independent distributors of our ... . North carolina zoo asheboro nc
Female Versions of Viagra. These medications are approved to treat female sexual interest/arousal disorder (FSIAD), also known as hypoactive sexual desire disorder (HSDD), in premenopausal women. This is more than just a temporary lack of interest in sex. It's a minimum of six months during which there's a decrease or absence of sexual …Taxpayers got stiffed with a €1.4 million bill for erectile dysfunction drugs that were doled out to more than 47,000 hard-up medical-card holders last year, the Irish Mirror can reveal. A total ...Sildenafil is a popular erectile dysfunction (ED) tablet, taken by men who find it hard to get an erection on their own. It is the generic version of Viagra, which means it contains exactly the same active ingredient (sildenafil citrate) and works in the same way.. Sildenafil is available in three different dosages: 25mg, 50mg and 100mg. Erectile dysfunction is when a man has difficulty getting an erection or keeping it long enough for sex. It’s also known as ED or impotence. It happens when not enough blood flows to the penis, preventing an erection. The frequency increases with age, affecting about 50% of men over age 40*; however younger men may also experience ED. An FDA-approved pharmaceutical used to treat erectile dysfunction could soon be recommended as a therapy for decreasing the risk of Alzheimer's disease.. By analyzing medical insurance …28 tablets. Not offered. £155.00 (£5.53 per pill) Tesco doesn’t offer an online Viagra service. Since they both have pharmacy stores, Tesco may be able to fill Viagra prescriptions in person but do not list prices online. Superdrug Online Doctor – our online Viagra service starts from £19.99 including free delivery, or click and collect.Rae has just launched Viarae, her very own Italian sparkling wine. Meant for “catching up, turning up, or whatever’s up,” Viarae is a versatile and approachable prosecco for every kind of ...Oct 18, 2023 · Viarae is a collaboration between Rae and the California-based E. & J. Gallo Winery, known for owning well-established supermarket brands such as Barefoot Bubbly and La Marca, along with higher ... Viagra is a drug that helps treat erectile dysfunction. It improves blood flow to the penis, and its effects can last for up to 4 hours, although the effect will likely be stronger after 2 hours ...The first drug to treat sexual dysfunction in premenopausal women – dubbed the “female Viagra” – has received approval from the US Food and Drug Administration. Flibanserin has been ...28 tablets. Not offered. £155.00 (£5.53 per pill) Tesco doesn’t offer an online Viagra service. Since they both have pharmacy stores, Tesco may be able to fill Viagra prescriptions in person but do not list prices online. Superdrug Online Doctor – our online Viagra service starts from £19.99 including free delivery, or click and collect.Dec 5, 2023 · Viarae is a Prosecco brand started by actress, producer, and writer Issa Rae and E. & J. Gallo Winery. The pair partnered up to create a brand of sparkling wine designed to celebrate good moments with great friends. Featuring notes of ripe peach and green apple, Viarae Prosecco is light and crisp with a hint of sweetness. Viarae will help us reach that goal.” Prosecco was a key figure in Insecure, Rae’s award-winning fictional series, often serving as a central figure of some of the show’s most memorable scenes.Vision changes. Muscle pain. But there are some differences. With Viagra, there is a higher risk of vision changes than with Cialis. Among people who take Viagra or sildenafil, 3% get blue vision that lasts a few hours. On the other hand, Cialis has a slightly higher risk of muscle pain than Viagra and vardenafil.Promensil Natural Relief For Menopausal Symptoms Tablets - 30 Ea, 6 Pack. Free shipping, arrives in 3+ days. 1.“With Viarae Prosecco, Rae is helping create representation for herself and the vibrant Black female community in a category where it didn’t previously exist,” the release explains. The …Myth #4: Viagra improves sex drive. Viagra increases blood flow to your penis, which can help you get and maintain an erection for whatever activity you have in mind. But responsibility for the ...Up to 50% of men experience erectile dysfunction (ED) by age 50. And this percentage increases with age. For many men with ED, sildenafil (Viagra) is a first-choice medication to help get or maintain an erection. But high blood pressure, heart disease, and prostate problems are also more common in men as they get older.And many of the …How to use. Please read the enclosed leaflet carefully before use. • take 1 tablet approximately one hour before sexual activity. • swallow tablet whole with water. • do not take more than 1 tablet a day. Viagra Connect starts to work within 30-60 minutes. You may take it up to 4 hours before sexual activity. Oral use.As an alternative to Viagra, a person may wish to try any of the following: Alternative oral drugs: Including vardenafil, tadalafil, and avanafil. Nonoral drugs: Such as penile self injections ...Yohimbe. Yohimbe is another supplement that helps treat ED by stimulating penile blood flow. It promotes the production of norepinephrine, a neurotransmitter that’s vital to achieving erections ....