Tadalafil 20mg/cap 60 Capsules


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Tadalafil is a phosphodiesterase 5 inhibitor used to treat erectile dysfunction, benign prostatic hyperplasia, and pulmonary arterial hypertension. Tadalafil works by increasing blood flow to the penis to help a man get and keep an erection . It also relaxes muscles of the blood vessels and increases blood flow to particular areas of the body.


Chemical Formula: C22H19N3O4

Molecular Mass: 389.404 g/mol

Synonyms: 351, IC, IC 351, IC-351, IC351

CAS Number: 171596-29-5

PubChem: 110635

Total Amount of the Active Ingredient: 20mg per capsule – 60 Capsules

Shelf Life: 36 months

Research Studies

Tadalafil for the treatment of benign prostatic hyperplasia

In men, lower urinary tract symptoms (LUTS) are primarily attributed to benign prostatic hyperplasia (BPH). Therapeutic options are targeted to relax prostate smooth muscle and/or reduce prostate enlargement. Areas covered: This article reviews the major preclinical and clinical data on PDE5 inhibitors with a specific focus on tadalafil. It includes details of the role of the nitric oxide (NO)-cyclic guanosine monophosphate (cGMP) – PDE5 pathway in the LUT organs (bladder and prostate) in addition to the available data on tadalafil in patients with LUTS secondary to BPH with or without erectile dysfunction (ED). Expert opinion: Preclinical and clinical data have clearly demonstrated that PDE5 inhibitors induce bladder and prostate relaxation, which contributes to the improvement seen in storage symptoms in both animal models of bladder and prostate hypercontractility. Tadalafil is effective both as a monotherapy and add-on therapy in patients with LUTS secondary to BPH. Furthermore, as LUTS-BPH and ED are urological disorders that commonly coexist in aging men, tadalafil is more advantageous than α1-adrenoceptors and should be used as the first option. Tadalafil is a safe and tolerable therapy and unlike α1- adrenoceptors and 5-alpha reductase inhibitors, which can cause sexual dysfunctions, tadalafil improves sexual function.

Direct comparison of tadalafil with sildenafil for the treatment of erectile dysfunction: a systematic review and meta-analysis

Aims: Erectile dysfunction (ED) is a major care problem worldwide. Tadalafil and sildenafil are the two most common phosphodiesterase 5 inhibitors used to treat ED. This systematic review and meta-analysis were conducted to directly compare tadalafil with sildenafil for the treatment of ED.

Methods: We designed a strategy for searching the PubMed, Embase, EBSCO, Web of Science and Cochrane library databases; the reference lists of the retrieved studies were also investigated. A literature review was performed to identify all published randomized or non-randomized controlled trials that compared tadalafil with sildenafil for the treatment of ED and to assess the quality of the studies. Two investigators independently and blindly screened the studies for inclusion. The meta-analysis was performed using RevMan 5.0.

Results: A total of 16 trials that compared tadalafil with sildenafil for the treatment of ED were included in the meta-analysis. In the meta-analysis, tadalafil and sildenafil appeared to have similar efficacies and overall adverse event rates. However, compared with sildenafil, tadalafil significantly improved psychological outcomes. Furthermore, the patients and their partners preferred tadalafil over sildenafil, and no significant difference was found in the adherence and persistence rates between tadalafil and sildenafil. Additionally, the myalgia and back pain rates were higher and the flushing rate was lower with tadalafil than with sildenafil.

Conclusion: Tadalafil shares a similar efficacy and safety with sildenafil and significantly improves patients’ sexual confidence. Furthermore, patients and their partners prefer tadalafil to sildenafil. Hence, tadalafil may be a better choice for ED treatment.

Tadalafil 5 mg Once Daily Improves Lower Urinary Tract Symptoms and Erectile Dysfunction: A Systematic Review and Meta-analysis

Objectives: We carried out a systematic review and meta-analysis to assess tadalafil 5 mg once-daily for the treatment of lower urinary tract symptoms (LUTS) and erectile dysfunction (ED).

Methods: A literature review was performed to identify all published randomized double-blind, placebo-controlled trials of tadalafil 5 mg once-daily for the treatment of LUTS and ED. The search included the following databases: MEDLINE, EMBASE, and the Cochrane Controlled Trials Register. The reference lists of the retrieved studies were also investigated.

Results: Thirteen publications involving a total of 3973 patients were used in the analysis, including 13 RCTs that compared tadalafil 5 mg once-daily with placebo. We found that tadalafil 5 mg once-daily was effective in improving LUTS suggestive of BPH and treating ED over 12 weeks in our meta-analysis. Total International Prostate Symptom Score (IPSS) (SMD = – 2.02, 95% CI = – 2.52 to -1.53, P < 0.00001); Benign Prostatic Hyperplasia Impact Index (BPH-II) (SMD = -0.58, 95% CI = -0.84 to -0.33, P < 0.00001); International Index of Erectile Function-erectile function (IIEF) domain (standardized mean difference [SMD] = 5.18, 95% confidence interval [CI] = 4.13-6.23, P < 0.00001) indicated that tadalafil 5 mg once-daily was more effective than the placebo. Safety assessments included discontinuations due to adverse event (odds ratio (OR) = 1.79, 95% CI = 1.12-2.85, P = 0.01) indicated that tadalafil 5 mg once-daily was well tolerated.

Conclusions: This meta-analysis indicates that tadalafil 5 mg once-daily to be an effective treatment for LUTS and ED with a low occurrence of side effects.


The information provided above is not intended to substitute medical advice, diagnosis, or treatment. Should you have any questions regarding a medical condition, seek the advice of your physician or a qualified healthcare provider. In no case should medical advice be disregarded or delayed because of what you have read or seen. We bear no responsibility or liability for your use of any of our research compounds and products. Please note that they are being sold for research purposes ONLY. We do NOT condone any personal use.

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The products offered on this website are intended for in-vitro studies only. In-vitro studies (Latin: “in glass”) are performed outside the body. These products are not medicines or drugs and have not been approved by the FDA to prevent, treat, or cure any medical condition, ailment, or disease. Bodily introduction of any kind into humans or animals is strictly forbidden by law.

Additional information

Weight -1 kg


Tadalafil 20mg/ Capsules

How to dose Tadalafil 20mg/cap?

The dosing of Tadalafil 20mg in capsule form will vary according to the experiment being conducted. We do not provide dosage recommendations as our products are intended for research purposes only.


When to administer Tadalafil 20mg/cap?

There are multiple methods of administering research products and timing of administration methods that are under investigation in various studies. The choice of administration technique should align with the specific goals and design of the researcher’s study. We provide products solely for research use, we do not offer advice on administration methods.