Sildenafil(Viagra) Raws

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Sildenafil is used to treat both erectile dysfunction and pulmonary arterial hypertension (PAH). It became well-known as the active ingredient in Viagra, a lower-cost alternative. In June 2013, Pfizer’s patent for Viagra expired, opening a market for generic Sildenafil citrate. As a result, men now have a choice between branded Viagra and more affordable generic Sildenafil tablets. Sildenafil is a prescription medication, meaning that it’s only available on prescription and should be taken exactly as prescribed to be fully effective.
Vardenafil’s indications and contra-indications are the same as with other PDE5 inhibitors; It is closely related in function to citrate and Tadalafil. The difference between the Vardenafil molecule and citrate is a nitrogen atom’s position and the change of sildenafil’s piperazine ring methyl group to an ethyl group. Tadalafil is structurally different from both Vardenafil. Vardenafil’s relatively short effective time is comparable to but somewhat longer than sildenafil’s. Beyond its indications for erectile dysfunction, Vardenafil may be effective in the treatment of premature ejaculation, where it may significantly increase the time from penetration to ejaculation It is a highly selective PDE-5 inhibitor, playing a role in the treatment of the penile erection mainly through specific inhibition of PDE-5 activity. Compared with similar products of the drug, it has the characteristics of fast onset of action, efficacy reliable, high quality and erection of good security.

Viagra Sildenafil Properties

Product Name Sildenafil
Brand Name Viagra
Appearance White Crystalline Powder
Sample Picture
Molecular Structure
CAS Number 139755-83-2
Formula C22H30N6O4S
Molar mass 474.5764 g/mol
Biological Half-Life 3–4 hours
Certification GMP, HSE, ISO 9001, BP
State Solid
Assay 99% Min.
Suitable for Adult
Purity >99%
Reship Policy Reship Free

Viagra Sildenafil Applications

In 16 separate 4-24 week trials of men (over 18 years old) who suffered from impotence for longer than 6 months, dosages between 10-200 mgs were administered. Significant improvements in erectile function, including frequency of penetration as well as erection duration post penetration, were reported with Sildenafil treatment compared to the placebo group.
Erections were improved in 72% of group verses 18% of the placebo group. In all cases effects were dependant upon dosage and improvement was the greatest when dosage exceeded 100 mgs. Responses were decreased by 40-60% in patients suffering from diabetes and prostatectomy, respectively. Withdrawal rates were less than 5% related to negative side effects and limited response rates.

Viagra Sildenafil Dosage Details

The Sildenafil dosage you need to take will depend on your age, gender, medical condition, your response to therapy and use of any interacting medication. 25, 50 and 100mg Sildenafil tablets are available. The recommended dose for most people is 50mg taken between 30 minutes and four hours prior to sexual activity. This dose can be increased to 100 or decreased to 25mg depending on adverse effects and efficacy. Ideally, it should be taken on an empty stomach. If you take Sildenafil after eating, it will take longer to kick in. Your tablet should be swallowed whole with a drink of water. Sildenafil should not be taken more than once in a day.
Drinking grapefruit juice while using this medication can be dangerous. It may increase the drug’s concentration in your blood, causing more pronounced Sildenafil side effects.
The following patients should stick to 25mg Sildenafil tablets:
anyone over 65 years of age
with liver failure
with creatinine clearance <30ml/min
using potent cytochrome P450 inhibitors

Service Tips

1.Have your Product Quality been Approved by Third Party Lab?
Yes, All products are strictly tested by our QC, confirmed by QA and approved by third party lab in China, USA, Canada, Germany, UK, Italy, France etc. So you will be assured with Good Quality if you choose us.
2.How do you treat quality complaint?
First of all, our QC department will do strict examination of our export products by HPLC, UV, GC ,
TLC and so on in order to reduce the quality problem to near zero. If there is a real quality problem ,caused by us, we will send you free goods for replacement or refund your loss.
3.Do you Accept Sample Order?
A: Yes, we accept small order from 10g, 100g and 1kg for your evaluation quality of our goods.
4.Is there any discount?
Yes, for larger quantity, we always support with better price.
5.What is your payment method ?
We’d like to accept western union, money gram, bitcoin, bank transfer, or others.
6.How long does it take to the goods arrived ?
For small order, please expect 5-7 days by DHL,UPS,TNT, FEDEX, EMS.
For mass order, please allow 5-8 days by Air, 20-35 days by Sea.
7.Do  you  have  any  reshipment  policy ?
We have good after-sale service and re-shipment policy if the parcel lose. Our long association with  our clients has brought great benefits and we always take the upmost care in the packaging of our products
our clients will confirm this as even they struggle to find them without help at times. But in spite of our best efforts it is still possible  will seize a small number of packages. In this circumstance we promise reship free  to establish  long term relationship
8.Can I get a sample?
Of course. For most products we can provide you a free sample, while the shipping cost should undertake by your side.
As a leading manufacturer of raw steroid powders, sarms, hgh and  Peptides, we specialized in manufacturing high quality and reliable products, which are widely used in the fields of food, health, cosmetics, pharmaceuticals, and bodybuilding. We have formed a technology and management team that cooperate closely with some  overseas Labs  all speak highly of our safe shipping and goods. Please don’t hesitate to contact us if you have any problems.