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The register separates general health information from the provider pages used to describe an offer.

References also appear with the guides and profiles they support. Read the source's scope and date alongside the claim. Inclusion here does not mean a source endorses this publication, its commercial relationships or a particular treatment.

The references

Accessed October 6, 2026. Provider pages document advertised arrangements; medical and regulatory resources supply general context. Neither implies an endorsement.

  1. CoreAge Rx: 4Play product informationSponsored provider; advertised formulation
  2. CoreAge Rx: 4Play offer and refill termsSponsored provider; advertised terms
  3. Hims: ED treatment optionsProvider-owned product and price page
  4. Ro: Erectile dysfunction treatmentProvider-owned product page
  5. BlueChew: Plans and GOLD formulationProvider-owned product page
  6. Rugiet: Ready ingredients and compoundingProvider-owned help article
  7. Strut: Super Strut formula and strength-based pricingProvider-owned product offer
  8. FDA: Compounding questions and answersRegulatory explanation
  9. NIDDK: Diagnosis of erectile dysfunctionFederal patient information
  10. NIDDK: Symptoms and causes of erectile dysfunctionFederal patient information
  11. NIDDK: Treatment for erectile dysfunctionFederal patient information
  12. MedlinePlus: SildenafilPatient medication information
  13. HHS: Protecting data and privacy in telehealthFederal patient privacy guidance
  14. FDA: How to buy medicines safely from an online pharmacyFederal pharmacy-verification guidance
  15. Pfizer: Viagra prescribing and patient informationManufacturer labeling; accessed October 6, 2026
  16. NIA: Sexuality and intimacy in older adultsFederal information on intimacy, health and aging
  17. Hello Cake: ED Meds product pageProvider-owned product offer
  18. Hello Cake: ED medication costsProvider-owned subscription and payment terms
  19. Hello Cake: ED formulations and strengthsProvider-owned formulation description
  20. TelyRx: Sildenafil product and provider-review feeProvider-owned product and fee page
  21. TelyRx: Service and payment informationProvider-owned service description
  22. Cialis: Manufacturer prescribing information, revised March 2026Eli Lilly approved labeling on DailyMed
  23. FDA: Generic Drug FactsFederal drug approval information
  24. HHS: Preparing for a telehealth visitFederal guidance on visit preparation and access
  25. Hone: ED service and membership optionsProvider-owned service and membership offer
  26. Hone: Tadalafil product and starting priceProvider-owned product, membership and testing offer
  27. Hone: Sildenafil product and priceProvider-owned product and assessment offer
  28. Invigor Medical: Services and provider-review pathwayProvider-owned service overview
  29. Invigor Medical: Trimix FAQProvider-owned formulation description; not independent clinical evidence
  30. Invigor Medical: Trimix refill processProvider-owned refill and subscription explanation; May 7, 2024
  31. HHS: After a telehealth visitFederal guidance on follow-up and patient information
  32. HHS: Telehealth privacy and security tipsFederal patient privacy and security guidance

See our method for the distinction between access dates, provider claims and independently established evidence.