The sources behind the guides.
Read the same primary resources we use for product facts and health context.
All sources below were checked October 7, 2026. Inclusion is not an endorsement of this publication by the named organization. Product pages are provider claims; clinical resources about individual medicines do not establish the safety or effectiveness of a compounded combination.
- Ro: ED treatment options
Provider source; current treatment catalog
- Ro: medication pricing
Provider source; advertised plan prices and quantities
- Ro: Sparks product details
Provider source; compounded formula, subscription pricing, and care process
- Ro: Daily Rise Gummies
Provider source; compounded tadalafil and billing intervals
- Hims: Hard Mints chewable ED medicines
Provider source; compounded formulations and advertised starting prices
- Hims: generic sildenafil
Provider source; standard tablets and advertised starting price
- BlueChew: platform, care process, and safety information
Provider source; current featured product and service description
- BlueChew: GOLD product and plan information
Provider source; four-ingredient compounded formulation
- Rugiet: Ready product information
Provider source; current compounded product and consultation process
- Rugiet: Ready ingredients explained
Provider source; sildenafil, tadalafil, and apomorphine formulation
- CoreAge Rx: 4Play product information
Provider source; product description and advertised price
- NIDDK: Symptoms & causes of erectile dysfunction
Government patient information
- NIDDK: Diagnosis of erectile dysfunction
Government patient information
- NIDDK: Treatment for erectile dysfunction
Government patient information
- MedlinePlus: Sildenafil
Drug information; standard sildenafil products
- MedlinePlus: Tadalafil
Drug information; standard tadalafil products
- DailyMed: Tadalafil prescribing information, including section 5.11
Prescribing label; not evidence for the 4Play combination
- FDA: Compounding and the FDA — questions and answers
Government guidance on compounded medications
- FDA: Locate a state-licensed online pharmacy
Government pharmacy verification resource
- FDA: Sexual enhancement and energy product notifications
Government safety notifications