

Drug Class: Aromatase Inhibitor (Type I, Steroidal)
Active Substance: Exemestane
Strength: 25 mg/tablet
Amount: 30 Tablets
Active Life: 24–36 Hours
Average Dose: 12.5–25 mg/day
Liver Toxicity: Low
Aromatization Rate: Irreversibly Inhibits Aromatase
Anabolic Rate: N/A
Androgenic Rate: Low
Manufacturer: Kalpa Pharmaceuticals
Aromaxyl by Kalpa Pharmaceuticals delivers 25 mg of Exemestane per tablet, offering a powerful option for athletes and bodybuilders needing reliable estrogen suppression during anabolic steroid cycles. This oral aromatase inhibitor, often compared to Aromasin, works by irreversibly binding to and deactivating the aromatase enzyme, preventing the conversion of testosterone to estrogen.
This property makes Aromaxyl a preferred choice for advanced users running heavy aromatizing compounds like Testoxyl Cypionate 250 or Anadroxyl. Its irreversible mechanism provides a longer-lasting suppression of estrogen compared to non-steroidal AIs like Anastrozole.
According to published studies, Exemestane has shown over 80% suppression of estrogen with a single dose, making it effective even at lower frequencies depending on your cycle layout.
For bodybuilders, Aromaxyl is commonly used at 12.5 mg every other day or 25 mg daily, depending on the level of estrogenic activity during a steroid cycle. It's particularly effective in preventing gynecomastia, bloating, and estrogen-related fat gain.
It may also assist in maintaining hard muscle appearance during cutting cycles when stacked with non-aromatizing compounds like Stanoxyl Depot.
Aromaxyl is often paired with other Kalpa products, such as:
While generally well tolerated, excessive estrogen suppression can lead to joint pain, fatigue, low libido, or mood changes. Bloodwork is recommended for cycle management. As a steroidal AI, it also has mild androgenic properties but these are rarely problematic at moderate doses.
Aromaxyl is used to prevent estrogenic side effects like gynecomastia and water retention by suppressing the aromatase enzyme, which converts testosterone to estrogen.
Some users prefer Aromaxyl due to its irreversible aromatase inhibition and longer-lasting effects. It's particularly effective for high-aromatization cycles.
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Drug Class: Aromatase Inhibitor (AI)
Active Substance: Anastrozole
Strength: 1 mg/tablet
Amount: 30 Tablets
Active Life: 2-3 Days
Average Dose: 0.5–1 mg every other day
Liver Toxicity: Low
Aromatization Rate: Blocks Estrogen Conversion
Anabolic Rate: N/A
Androgenic Rate: N/A
Manufacturer: Kalpa Pharmaceuticals
Drug Class: SERM (Selective Estrogen Receptor Modulator)
Active Substance: Clomiphene Citrate
Strength: 50 mg/tablet
Amount: 30 Tablets
Active Life: 5–7 Days
Average Dose: 50 mg/day (PCT)
Liver Toxicity: Low
Aromatization Rate: None
Anabolic Rate: N/A
Androgenic Rate: None
Manufacturer: Kalpa Pharmaceuticals
Drug Class: Aromatase Inhibitor
Active Substance: Letrozole
Strength: 2.5 mg/tablet
Amount: 30 tablets
Active Life: ~2 days
Average Dose: 0.5–2.5 mg/day
Liver Toxicity: Low
Aromatization Rate: None
Anabolic Rate: N/A
Androgenic Rate: N/A
Manufacturer: Kalpa Pharmaceuticals
Drug Class: Selective Estrogen Receptor Modulator (SERM)
Active Substance: Tamoxifen Citrate
Strength: 20 mg/tablet
Amount: 30 tablets
Active Life: 5–7 days
Average Dose: 10–40 mg/day
Liver Toxicity: Low
Aromatization Rate: None
Anabolic Rate: 0
Androgenic Rate: 0
Manufacturer: Kalpa Pharmaceuticals
Apr 22, 2019 (07:30)
Aromaxyl helped keep estro in check at 10mg and when it crept up too high near end of cycle and I doubled the dose it dropped me back into range