Product Description
| Specifications: | |
| Packaging | 50 tablets (1 x 50) |
| Concentration | 5 mg/tablet |
| Active Substance | Letrozole |
| Active Half-life | 2-4 days |
| Group | Post Cycle Therapy |
| Subgroup | Aromatase Inhibitor (AI) |
| Recommended Dosage | On-Cycle Dose: 0.5-2.5mg per day or EOD. |
| Oil-based / Base | N/A (Oral tablet) |
| Retains Water | N/A |
| Aromatization | Anti-Estrogen (Strong AI) |
| Product Description: | |
| What It Is and How It Works | |
| Letrozole, sold as Femara, is one of the most powerful aromatase inhibitors available. It is used in medicine for breast cancer treatment and is known for its ability to dramatically lower estradiol – sometimes by over 95 percent at standard doses.
In bodybuilding, Letrozole is most often used in two scenarios: as a ‘gyno rescue’ to reverse early-stage gynecomastia, or in cycles with extremely high aromatisation. Its potency makes it easy to crash estrogen, so careful dosing and bloodwork are essential. For most cycles, Anastrozole or Aromasin is a better first choice. Side effects include joint pain, decreased libido, depression, fatigue, and significant lipid changes. Crashing estrogen with Letrozole is particularly easy because of its potency, and the resulting symptoms can be severe. |
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| How is it used? | |
| Letrozole has a half-life of 2 to 4 days, so once-daily or every-other-day dosing both work. Because it is so potent, doses are very small – fractions of a milligram per day are often enough.
Letrozole is typically reserved for heavy aromatising cycles (high-dose Dianabol or Anadrol stacks) or for reversing early gyno. For routine cycle management, milder AIs like Anastrozole and Aromasin are easier to dose and less likely to crash estrogen. |
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| Dose | |
| This product is dosed at 5mg per tablet, 50 tablets per box. Typical on-cycle dosing ranges from 0.5 to 2.5mg per day. For gyno rescue, 2.5mg per day for 1 to 2 weeks is a common protocol, then tapered down. Bloodwork is essential to avoid crashing estrogen. |
| Advice From PhoenixFire: | |
| Use sparingly | Letrozole is potent. Start with the lowest possible dose (0.5mg EOD or less) and adjust based on bloodwork. |
| Excellent for gyno rescue | For early-stage gyno that does not respond to Nolvadex, Letrozole can reverse it within 1 to 2 weeks at 2.5mg per day. |
| Watch for crashed estrogen | Joint pain, low libido, and fatigue are signs estrogen has dropped too low. Reduce the dose immediately. |
| Not for routine cycles | Most cycles do not need Letrozole. Anastrozole or Aromasin is easier to dose and safer for routine estrogen management. |
| Cut tablets carefully | 5mg per tablet is high. Split into halves or quarters for routine dosing, or dissolve in alcohol for accurate sub-milligram dosing. |
| FAQ: | |
| Q1 | When should I choose Letrozole over Anastrozole? |
| A1 | Mainly for gyno rescue or extremely high-aromatising cycles. For routine estrogen management, Anastrozole or Aromasin is easier and safer. |
| Q2 | How much Letrozole should I take? |
| A2 | Start at 0.5mg every other day or less. For gyno rescue, 2.5mg per day for 1 to 2 weeks, then taper. Bloodwork is essential. |
| Q3 | Can Letrozole reverse gyno? |
| A3 | Recent or early gyno often responds well to Letrozole at 2.5mg per day. Mature gland tissue usually requires surgical removal. |
| Q4 | What happens if I crash estrogen? |
| A4 | Joint pain, low libido, fatigue, depression, and poor lipid profile. Letrozole crashes estrogen easily – reduce the dose at the first sign of symptoms. |
| Q5 | Is Letrozole safe for long-term use? |
| A5 | Long-term use without bloodwork is risky due to the potential for crashed estrogen. Most users run Letrozole in short windows rather than for full cycle duration. |
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