Viagra 50 mg

Product Specifications

Dosage & Research Guidelines

Research Dosing Guidelines

Based on available research literature, typical Sildenafil dosing in rodent models falls within this range:

• ✔ 1 – 10 mg per kg in research models (dose-dependent vasodilatory effects)
• ✔ One 50 mg tablet provides a standardized oral research dose for larger models
• ✔ One 100-tablet sachet provides 5000 mg total compound for extended protocols
• ✔ Research protocols typically run 4-8 weeks for vascular studies

Tablet Dosing Guide

For research involving precise oral administration of Viagra 50 mg tablets:

• ✔ Whole tablet = 50 mg dose
• ✔ Half tablet = 25 mg dose (use calibrated tablet splitter)
• ✔ Quarter tablet = 12.5 mg dose (for lower-dose protocols)
• ✔ Tablets can be crushed and suspended for gavage studies
• ✔ Once daily administration standard for PDE5 inhibitor research

How Researchers Are Using Sildenafil

Sildenafil is the most widely cited PDE5 inhibitor in research literature, serving as the reference compound for cGMP signaling and vasodilation studies across multiple research models.

Popular research stacks and comparisons include:

• ✔ Viagra + Cialis — for comparative PDE5 inhibitor pharmacology research. View Cialis →
• ✔ Viagra + Levitra — for comparative potency and selectivity studies. View Levitra →
• ✔ Viagra + L-Carnitine — for combined vascular and metabolic research. View L-Carnitine 500 →

Research Protocol Example (8 Weeks)

• ✔ Weeks 1-8: Sildenafil 12.5-25 mg once daily oral
• ✔ Lower doses (12.5 mg) for moderate PDE5 inhibition; higher (25-50 mg) for complete PDE5 blockade
• ✔ Washout period: 5-7 days observation post-protocol

Important Considerations

• 🔬 Sildenafil is the reference PDE5 inhibitor – extensive literature for research comparison
• 💊 Oral administration – high-fat meals reduce absorption rate in research models
• ⚠️ Research suggests selectivity for PDE5 over other PDE isoenzymes (though less than newer agents)
• 📦 Store tablets in original sachet with desiccant to prevent degradation
• 📦 Always source Dragon Pharma Viagra from verified suppliers for research integrity

Lab Verification – Third-Party Test Results

At Dragon Pharma, every batch of research compounds undergoes independent third-party HPLC testing to verify dosage, purity, and identity. Below are the latest test results for Dragon Pharma Viagra 50 mg, analyzed by Analiza Bialek.

Lab file

viagra-dp-lab-test-2024-06-17

Test Date

2024-06-17

Batch Number

#HSLDFD

Measured Result

49.35 mg

Assay vs Label

98.70%

COA summary: Dosage verified within specification. Purity and identity confirmed.

Analiza Bialek Verified

Why Third-Party Testing Matters

With the proliferation of unverified research chemicals, independent lab analysis is the only method to confirm compound identity and potency. Legit Viagra should meet strict quality specifications. Dragon Pharma commits to full transparency — batch-specific COAs are published for all compounds.

For more information on Sildenafil research and PDE5 pharmacology, refer to this PubMed study on PDE5 inhibitors.

Shipping & Product Authenticity

What to Expect

• ✔ Orders processed within 24–48 hours after payment confirmation
• ✔ USA Domestic shipping via USPS/UPS/FedEx — tracking included
• ✔ International tracking available (update frequency varies by destination)
• ✔ Sachets are shipped in protective packaging with desiccant

How to Verify You Have Legit Viagra

Counterfeit research compounds are a genuine concern. Here's how to confirm you're receiving authentic Dragon Pharma Viagra:

• ✔ QR code verification — each package includes a unique QR code. Scan to verify batch on Dragon Pharma's official database
• ✔ Scratch-off serial number — reveals a one-time use code for online verification
• ✔ Batch traceability — match the batch number (#HSLDFD) to our lab test results above
• ✔ Original sealed sachet — intact, tamper-evident foil packaging

For complete delivery details, tracking policy, international customs, and reshipment terms, please see our Shipping Info page.

Storage Guidelines

Storage Recommendations

• ✔ Store at 15–25°C (59–77°F) — controlled room temperature
• ✔ Keep in original sachet with desiccant until first use
• ✔ Protect from moisture, humidity, and direct light
• ✔ Keep away from heat sources
• ✔ Stable for up to 24 months when stored properly in sealed sachet

What to Avoid

• ❌ High humidity or moisture — can degrade tablet integrity
• ❌ Leaving sachet open after first use — reseal or store in airtight container
• ❌ Extreme temperatures (>30°C or <0°C)
• ❌ Storing in bathroom or near heat sources
• ❌ Using tablets that show discoloration, spots, or crumbling

Inspection Before Use

Before using Viagra 50 mg tablets in your research, always inspect the product:

• ✔ Tablets should be intact, uniform in color and shape
• ✔ Sachet seal must be intact — do not use if seal is broken or shows tampering
• ✔ Check batch number and QR code for authenticity before use

Keep out of reach of children and unauthorized personnel. Follow institutional laboratory safety guidelines for handling research compounds.

Frequently Asked Questions