

Drug Class: Androgen; Anabolic Steroid
Active Substance: Drostanolone Enanthate
Strength: 200 mg/mL
Amount: 10 mL Vial
Active Life: 8–10 days
Average Dose: 400–600 mg per week
Liver Toxicity: Low
Aromatization Rate: None
Anabolic Rate: 62–130
Androgenic Rate: 25–40
Manufacturer: Kalpa Pharmaceuticals
Masteroxyl 200 is Kalpa Pharmaceuticals' long-ester Masteron variant, delivering 200 mg/mL of Drostanolone Enanthate. It offers extended anabolic activity and is widely used during cutting phases for a dry, lean, and muscular look without water retention.
Masteron Enanthate is ideal for users who prefer fewer injections while still benefiting from the muscle-hardening and estrogen-reducing properties of Drostanolone. It binds strongly to androgen receptors, promotes fat loss, and improves definition. According to published studies, it has anti-estrogenic activity and is often used in low-estrogen cycles.
Masteroxyl 200 is commonly dosed at 400–600 mg per week, split into two injections. A typical cycle duration is 8–10 weeks. It can be used solo for cosmetic lean gains or stacked with other cutting steroids like Oxandroxyl or Clenbutaxyl.
To amplify fat loss, Masteroxyl 200 can be combined with thyroid agents like Thyroxyl. For lean muscle maintenance during a deficit, consider adding Taldenaxyl or Trenboxyl Enanthate. Since it does not aromatize, AI support is usually unnecessary.
Although it has minimal androgenic suppression, PCT is recommended. Begin using Clomixyl or Nolvaxyl 14 days after your final injection to support recovery of natural testosterone production.
Masteroxyl 100 uses the fast-acting propionate ester, while Masteroxyl 200 contains the long-acting enanthate ester. The 200 version requires fewer injections per week and provides steadier release.
Due to its strong androgenic properties, Masteroxyl 200 is generally not recommended for female users. Women seeking physique enhancement may opt for milder compounds like Oxandroxyl at lower doses.
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Drug Class: Androgen; Anabolic Steroid; Progestogen
Active Substance: Nandrolone Decanoate
Strength: 250 mg/mL
Amount: 10 mL Vial
Active Life: 14–16 days
Average Dose: 300–600 mg per week
Liver Toxicity: Low
Aromatization Rate: Moderate
Anabolic Rate: 125
Androgenic Rate: 37
Manufacturer: Kalpa Pharmaceuticals
Drug Class: Androgen; Anabolic Steroid
Active Substance: Methenolone Enanthate
Strength: 100 mg/mL
Amount: 10 mL Vial
Active Life: 10–14 days
Average Dose: 400–600 mg per week
Liver Toxicity: Low
Aromatization Rate: None
Anabolic Rate: 88
Androgenic Rate: 44
Manufacturer: Kalpa Pharmaceuticals
Drug Class: Androgen; Anabolic Steroid; Progestogen
Active Substance: Trenbolone Acetate
Strength: 100 mg/mL
Amount: 10 mL Vial
Active Life: 1–2 days
Average Dose: 75–100 mg every other day
Liver Toxicity: Low to Moderate
Aromatization Rate: None
Anabolic Rate: 500
Androgenic Rate: 500
Manufacturer: Kalpa Pharmaceuticals
Drug Class: Androgen; Anabolic Steroid; Progestogen
Active Substance: Trenbolone Enanthate
Strength: 200 mg/mL
Amount: 10 mL Vial
Active Life: 10–12 days
Average Dose: 300–600 mg per week
Liver Toxicity: Low to Moderate
Aromatization Rate: None
Anabolic Rate: 500
Androgenic Rate: 500
Manufacturer: Kalpa Pharmaceuticals
Drug Class: Androgen; Anabolic Steroid; Progestogen
Active Substance: Trenbolone Hexahydrobenzylcarbonate
Strength: 100 mg/mL
Amount: 10 mL Vial
Active Life: 10–14 days
Average Dose: 300–600 mg per week
Liver Toxicity: Low to Moderate
Aromatization Rate: None
Anabolic Rate: 500
Androgenic Rate: 500
Manufacturer: Kalpa Pharmaceuticals
May 17, 2019 (11:05)
The Mast E kicked in and brought out a lot of veins that I can only attribute to the addition of the Mast. I would say the products are dosed correctly.
Ill be using these guys for awhile and recommending them to friends and family!