ED & Libido — Cialis, Viagra, PT-141 & Proviron

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ED and Libido — Causes in AAS Users and Solutions

Erectile dysfunction and reduced libido are recognised side effects of AAS use — not inevitable, but common enough that having appropriate compounds available is standard practice. The causes vary by compound and protocol: low estrogen from excessive AI use, prolactin elevation from 19-nor compounds, testosterone suppression post-cycle without PCT, or simple vascular effects from elevated haematocrit. Understanding the cause determines the correct solution — a PDE5 inhibitor addresses the vascular mechanism; Cabergoline addresses prolactin; PCT addresses suppression.

PDE5 Inhibitors — Cialis, Viagra and Levitra

Phosphodiesterase type 5 inhibitors increase blood flow to erectile tissue by blocking the enzyme that limits vasodilation. The three major compounds differ primarily in half-life and duration of action:

Compound	Active Ingredient	Onset	Duration	Products
Cialis	Tadalafil	30–60 min	24–36 hours	Cialis DP · Cialis generic
Viagra	Sildenafil	30–60 min	4–6 hours	Viagra DP · Viagra generic · Cenforce
Levitra	Vardenafil	25–60 min	4–5 hours	Levitra 20mg
Sildalist	Sildenafil + Tadalafil	30–60 min	12–24 hours	Sildalist

Cialis (Tadalafil) is the most widely used PDE5 inhibitor among AAS users due to its 24–36 hour duration — low-dose daily Tadalafil (5 mg/day) is a popular on-cycle protocol providing continuous vascular support without planning around dosing timing. Also used for blood pressure management benefits in some protocols.

PT-141 — Bremelanotide

PT-141 (Bremelanotide) works through an entirely different mechanism than PDE5 inhibitors — it is a melanocortin receptor agonist that acts centrally on the brain to increase sexual arousal and libido directly, rather than through vascular effects. Effective for both men and women. Subcutaneous injection 1–2 hours before sexual activity: 1–2 mg. Key advantage: works where PDE5 inhibitors fail — when the issue is libido and arousal rather than vascular function. Also available as PT-141 10mg generic.

Proviron — Mesterolone

Proviron (Mesterolone) is a DHT derivative oral androgen used for libido support and free testosterone elevation. It binds SHBG (sex hormone binding globulin) — reducing SHBG frees more testosterone into bioavailable form, increasing free testosterone and libido. Also has mild anti-estrogenic properties through aromatase inhibition. Used on cycle at 25–50 mg/day to support libido and free testosterone, or post-cycle as a libido bridge. Does not suppress natural testosterone at typical doses.

AAS-related ED — identify the cause first:

Low estrogen (crashed E2): joint pain + low libido + depression — reduce or stop AI
High prolactin (19-nor compounds): low libido + ED + possible discharge — use Cabergoline
Post-cycle suppression: testosterone crash — run proper PCT
Vascular ED on cycle: PDE5 inhibitor (Cialis, Viagra) — addresses the mechanical component

Frequently Asked Questions

What causes ED on a steroid cycle? ＋

Multiple causes — each requiring a different solution. Prolactin elevation from 19-nor compounds (Deca, Trenbolone) causes ED and low libido that requires Cabergoline. Crashed E2 from excessive AI use causes low libido with joint pain and depression. Post-cycle testosterone suppression without PCT causes hypogonadal ED. Vascular ED on cycle is addressed with PDE5 inhibitors. Identify the cause with bloodwork before treating symptomatically.

What is the difference between Cialis and Viagra? ＋

Both are PDE5 inhibitors — same mechanism, different pharmacokinetics. Viagra (Sildenafil): faster onset (30 min), shorter duration (4–6 hours), more affected by food. Cialis (Tadalafil): similar onset (30–60 min), significantly longer duration (24–36 hours) — allows low-dose daily use (5 mg/day) without timing around sexual activity. Cialis is generally preferred for on-cycle use due to flexibility and additional cardiovascular benefits at low doses.

What is PT-141 and how does it differ from Viagra? ＋

PT-141 (Bremelanotide) is a melanocortin receptor agonist that acts centrally on the brain to increase sexual desire and arousal — not a vascular compound. Viagra works peripherally on blood vessels. PT-141 is effective when the primary issue is libido and arousal rather than vascular function. Works in both men and women. Subcutaneous injection 1–2 hours before activity. Some users combine both for maximum effect.

What is Proviron used for on cycle? ＋

Proviron (Mesterolone) binds SHBG — reducing SHBG frees more testosterone into bioavailable form, increasing free testosterone and libido on cycle. Also has mild aromatase inhibition properties. Used at 25–50 mg/day throughout a cycle to support libido, increase free testosterone and provide mild estrogen control. Does not suppress natural testosterone at typical doses and can be used as a libido bridge in PCT.

Can I take Cialis daily during a steroid cycle? ＋

Yes — low-dose daily Tadalafil (5 mg/day) is a common on-cycle addition. Benefits: continuous vascular support without timing around activity, mild blood pressure reduction, and improved exercise capacity. Does not interact with AAS pharmacology. Avoid combining with nitrates. Monitor blood pressure — Tadalafil is a vasodilator and combined with AAS-elevated blood pressure the interaction should be monitored.

Does Deca Dick go away after stopping the cycle? ＋

Yes — with proper management. Deca Dick is caused by Nandrolone's progestin activity elevating prolactin and suppressing free testosterone through the DHT pathway. On cycle: Cabergoline (0.25 mg twice weekly) controls prolactin. Adding Testosterone Propionate or Proviron maintains free testosterone. After cycle: proper PCT restores hormonal function. Without Cabergoline and proper PCT, recovery is slower. Nandrolone has a very long detection window (9–18 months) so clearance takes time.

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