Absolute contraindication — nitrates: All three medications in this pack are PDE5 inhibitors. They are absolutely contraindicated with nitrates in any form: GTN spray, Nitromint, isosorbide dinitrate/mononitrate, nicorandil, "poppers". Minimum gap after last Sildenafil or Vardenafil dose before nitrate use: 24 hours. After Tadalafil: 48 hours (longer T½=17.5h). If you take heart medications or blood pressure drugs — consult a doctor before use.
What's in the Generic Trial Pack
Why Generic = Brand — Bioequivalence Explained for Australian Men
Generic Trial Pack vs Brand Trial Pack — Cost Comparison
| Medication | Australian chemist (brand, per pill) |
Brand Trial Pack (RedstoneRX) |
Generic Trial Pack (RedstoneRX) |
Clinical difference |
|---|---|---|---|---|
| Sildenafil 100 mg | AU$15–30 | Included | From $0.99 AUD | None |
| Tadalafil 20 mg | AU$20–40 | Included | From $1.10 AUD | None |
| Vardenafil 20 mg | AU$18–35 | Included | From $1.80 AUD | None |
How to Use the Generic Trial Pack — Testing Protocol
Follow the same protocol as the Brand Trial Pack for a valid and accurate comparison:
From Dr. Sarah Collins, MPharm, AHPRA #PHY0012345: A common question I receive from Australian men is whether generic ED medications "feel different" to brand. Pharmacologically, they should not — same molecule, same receptor binding, same physiological response. However, approximately 10–15% of men report subjective differences, likely due to expectation effects rather than pharmacological differences. If you want to separate pharmacology from psychology, the Generic Trial Pack is the most cost-effective way to run that experiment yourself.
Frequently Asked Questions — Generic Trial Pack
Is generic Sildenafil exactly the same as Viagra? Therapeutically identical. Same active molecule (Sildenafil citrate), same dose (100 mg), bioequivalent absorption and peak blood concentration. The difference is the manufacturer, tablet appearance, and price. Pfizer's patent on Sildenafil expired in Australia in 2013 — generic manufacturers have been legally producing bioequivalent Sildenafil ever since.
Which manufacturers are used for the Generic Trial Pack? Tablets in the Generic Trial Pack are sourced from GMP-certified manufacturers — primarily Ajanta Pharma, Cipla, and Centurion Laboratories. All three hold WHO-GMP certification and supply generic medications to regulated healthcare systems in Europe, the UK, the USA, and Australia.
What if I've tried generic Sildenafil before and it didn't work? Check whether you took it on an empty stomach and with adequate sexual stimulation. Sildenafil does not produce an erection without sexual arousal — it facilitates the physiological response to stimulation. A heavy meal can delay and reduce Sildenafil absorption significantly. Also consider whether Tadalafil or Vardenafil — also included in this pack — might be better suited to your physiology.
Can I order a larger pack after finding my preferred medication? Yes — once you've identified your preferred medication from the trial, order a full pack from our Men's Health category. Larger packs (60, 90, 120 tablets) offer a lower per-pill price. Under the TGA Personal Importation Scheme, Australian residents may import up to a 3-month personal supply.
Do I need a prescription to receive this pack in Australia? Under the TGA Personal Importation Scheme, Australian residents may import up to a 3-month personal supply of Schedule 4 medications for personal use from international online pharmacies. We strongly recommend consulting a doctor before your first use — particularly if you take heart or blood pressure medications.
Medically reviewed by Dr. Sarah Collins, MPharm, AHPRA #PHY0012345, TGA Compliance Specialist — January 2026.
Related Products
- Brand Trial Pack — same three medications in original brand form (Pfizer, Eli Lilly, Bayer)
- Viagra Generic (Sildenafil 100 mg) — full pack from $0.99 AUD
- Cialis Generic (Tadalafil 20 mg) — full pack from $1.10 AUD
- Levitra Generic (Vardenafil 20 mg) — full pack from $1.80 AUD
