<?xml version="1.0" encoding="UTF-8"?><feed xmlns="http://www.w3.org/2005/Atom"><title>Viagra Labs</title><id>https://viagralabs.com/</id><updated>2026-10-02T19:46:12.673Z</updated><link href="https://viagralabs.com/atom.xml" rel="self"/><author><name>Viagra Labs</name></author><entry><title>Brand and generic ED medicines: read the product record</title><id>https://viagralabs.com/comparisons/brand-and-generic/</id><link href="https://viagralabs.com/comparisons/brand-and-generic/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Distinguish an ingredient, a brand, a formulation and a country-specific medicine record.</summary></entry><entry><title>Cialis (tadalafil)</title><id>https://viagralabs.com/products/cialis/</id><link href="https://viagralabs.com/products/cialis/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Cialis product identity, documented formulations and sources for European Union.</summary></entry><entry><title>Penegra (sildenafil)</title><id>https://viagralabs.com/products/penegra/</id><link href="https://viagralabs.com/products/penegra/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Penegra product identity, documented formulations and sources for Philippines.</summary></entry><entry><title>Spedra (avanafil)</title><id>https://viagralabs.com/products/spedra/</id><link href="https://viagralabs.com/products/spedra/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Spedra product identity, documented formulations and sources for European Union.</summary></entry><entry><title>Tadacip (tadalafil)</title><id>https://viagralabs.com/products/tadacip/</id><link href="https://viagralabs.com/products/tadacip/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Tadacip product identity, documented formulations and sources for Australia (market-specific record for the Cipla brand).</summary></entry><entry><title>Viagra (sildenafil)</title><id>https://viagralabs.com/products/viagra/</id><link href="https://viagralabs.com/products/viagra/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Viagra product identity, documented formulations and sources for European Union.</summary></entry><entry><title>Checking an ED medicine and its source</title><id>https://viagralabs.com/safety/sourcing/</id><link href="https://viagralabs.com/safety/sourcing/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Check a product identity, country-specific label and licensed supply route before relying on seller claims.</summary></entry><entry><title>ED medicine interactions and urgent symptoms</title><id>https://viagralabs.com/safety/interactions/</id><link href="https://viagralabs.com/safety/interactions/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Review key interaction warnings and recognize symptoms that need urgent medical care.</summary></entry><entry><title>Vitaros (alprostadil)</title><id>https://viagralabs.com/products/vitaros/</id><link href="https://viagralabs.com/products/vitaros/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Vitaros product identity, documented formulations and sources for United Kingdom.</summary></entry><entry><title>When ED treatment does not work</title><id>https://viagralabs.com/guides/when-treatment-does-not-work/</id><link href="https://viagralabs.com/guides/when-treatment-does-not-work/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Prepare a useful treatment review without increasing a dose or combining products on your own.</summary></entry><entry><title>ED treatment options: medicines and other approaches</title><id>https://viagralabs.com/guides/treatment-options/</id><link href="https://viagralabs.com/guides/treatment-options/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Understand how ingredient choices fit into a wider discussion of erectile dysfunction treatment.</summary></entry><entry><title>Ginseng and ED supplements: evidence and safety</title><id>https://viagralabs.com/guides/ginseng-and-supplements/</id><link href="https://viagralabs.com/guides/ginseng-and-supplements/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Understand the limits of herbal ED claims and the risks of undisclosed medicine ingredients.</summary></entry><entry><title>Levitra (vardenafil)</title><id>https://viagralabs.com/products/levitra/</id><link href="https://viagralabs.com/products/levitra/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Levitra product identity, documented formulations and sources for European Union.</summary></entry><entry><title>Sildenafil, tadalafil, vardenafil and avanafil compared</title><id>https://viagralabs.com/comparisons/sildenafil-tadalafil-vardenafil-avanafil/</id><link href="https://viagralabs.com/comparisons/sildenafil-tadalafil-vardenafil-avanafil/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Compare the four oral ED ingredients by brand, prescribing context and label-specific differences.</summary></entry><entry><title>Daily tadalafil: a different prescribed regimen</title><id>https://viagralabs.com/guides/daily-tadalafil/</id><link href="https://viagralabs.com/guides/daily-tadalafil/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Understand how daily tadalafil differs from as-needed treatment and what to ask your prescriber.</summary></entry><entry><title>Stendra (avanafil)</title><id>https://viagralabs.com/products/stendra/</id><link href="https://viagralabs.com/products/stendra/"/><updated>2026-10-02T17:30:00.000Z</updated><summary>Stendra product identity, documented formulations and sources for United States.</summary></entry></feed>