Description

Fluoxymesterone (Halotestin) ZPHC – 10mg x 100 Tablets

Ultra-Potent Oral Androgen for Peak Performance

Fluoxymesterone, known globally under the brand name Halotestin, is a synthetic, orally active androgenic-anabolic steroid (AAS) and a 17α-alkylated derivative of testosterone . First approved by the FDA in 1956, this compound is recognized for its potent androgenic effects and is used in clinical settings for specific medical conditions, including male hypogonadism and inoperable breast carcinoma in women .

The ZPHC Fluoxymesterone 10mg tablets are produced under strict quality control standards, featuring a film-coated design for consistent oral administration. This product is distinguished by its DHT-derived structure, which prevents aromatisation, making it a favored choice among athletes and bodybuilders for its ability to enhance strength, power output, and neuromuscular efficiency without the water retention associated with estrogenic compounds. Its effects are mediated through its action as an Androgen Receptor Agonist .

Product Highlights

• Active Ingredient: Fluoxymesterone (Halotestin)

• Strength: 10 mg per tablet

• Quantity: 100 film-coated tablets per pack

• Manufacturer: ZPHC

• Quality Assurance: ≥ 99% API purity verified by HPLC; produced using GMP tablet press technology; includes tamper-evident cap with scratch-code authenticity.

Clinical and Performance Applications

The primary mechanism of fluoxymesterone involves increasing protein anabolism and decreasing protein catabolism, contributing to nitrogen retention and improved muscle recovery . Clinically, it is indicated for treating symptoms of low testosterone in adult men with hypogonadism caused by certain medical conditions and to stimulate puberty in men with delayed puberty . It is also used as a palliative treatment for advanced inoperable breast cancer in women, often in combination with other therapies .

For performance enhancement, the compound is prized for its ability to:

• Boost Strength and Aggression: Fluoxymesterone is reported to increase central nervous system (CNS) drive and aggression, which can translate to significant gains in power output and performance during intense training or competition.

• Promote Dry Muscle Hardness: As a DHT derivative, it does not aromatize into estrogen, thereby preventing estrogenic side effects like water retention and gynecomastia. This makes it particularly effective during the final 2-4 weeks of preparation for a contest or for maximal strength attempts.

• Enhance Neuromuscular Efficiency: It improves the communication between the nervous system and muscles, leading to better muscle fiber recruitment.

Dosage Guide

Dosage of fluoxymesterone is highly dependent on individual goals, experience, and medical supervision.

• For Hypogonadism (Clinical Use): The recommended daily dose ranges from 5 to 20 mg .

• For Palliative Therapy in Breast Cancer (Clinical Use): The total daily dose is typically 10 to 40 mg, often administered in divided doses for more stable blood levels .

• For Performance Enhancement (Research Context): Doses for power athletes generally range from 10 to 20 mg daily, while advanced bodybuilders may use up to 30 mg per day. Due to its 17-alpha-alkylated structure and associated hepatotoxicity, cycles are typically limited to 4 weeks or less.

Important Safety Considerations

Fluoxymesterone is a potent 17α-alkylated androgenic steroid, which carries a risk of significant side effects, particularly with prolonged use or high dosages.

Potential Side Effects

Common side effects may include:

• Changes in sex drive

• Acne

• Hair loss

• Headache

• Anxiety or depression 

Serious and potentially life-threatening side effects can include:

• Hepatotoxicity: 17α-alkylated androgens like fluoxymesterone have been associated with cholestatic hepatitis, jaundice, hepatic adenomas, hepatocellular carcinoma, and peliosis hepatis . Liver function tests (AST/ALT) should be monitored regularly. If jaundice or liver function abnormalities appear, the drug should be discontinued .

• Cardiovascular Issues: Androgens can cause sodium and water retention, potentially leading to edema and exacerbating pre-existing cardiac or renal conditions .

• Endocrine/Hormonal: Suppression of endogenous testosterone production can occur. In men, this can lead to testicular atrophy and decreased sperm production. In women, virilization effects such as clitoral enlargement, deepening of the voice, and hirsutism may occur .

• Psychiatric Effects: High doses have been linked to aggressive behavior, mania, hallucinations, and depression .

Contraindications

Fluoxymesterone is contraindicated in:

• Men with known or suspected carcinoma of the prostate or breast .

• Women who are pregnant or may become pregnant (FDA category X) due to the risk of virilization of a female fetus .

• Patients with known hypersensitivity to the drug.

• Patients with serious cardiac, hepatic, or renal disease .

Supportive Measures

Given the potential for hepatotoxicity, liver support supplements such as TUDCA (Tauroursodeoxycholic acid) and NAC (N-Acetylcysteine) are often recommended. Regular monitoring of lipid profiles (HDL/LDL) is also advised.

Frequently Asked Questions (FAQ)

1. What is Fluoxymesterone (Halotestin)?

Fluoxymesterone, sold under the brand name Halotestin, is a synthetic, orally active androgenic-anabolic steroid and a 17α-alkylated derivative of testosterone . It is an androgen receptor agonist used medically to treat low testosterone and breast cancer, and is known for its potent androgenic effects .

2. What is the typical dosage of Fluoxymesterone for performance enhancement?

In a research context, dosages for power athletes typically range from 10 to 20 mg daily, with advanced users sometimes taking up to 30 mg per day. It is recommended that cycle length not exceed 4 weeks due to the compound’s hepatotoxic nature.

3. How is Fluoxymesterone different from other anabolic steroids?

Fluoxymesterone is a DHT derivative that does not aromatize into estrogen. This means it does not cause water retention (bloating) or estrogenic side effects like gynecomastia. It is prized for its ability to increase strength and aggression while promoting a “dry,” hard look, making it popular pre-contest or for strength peaks .

4. What are the most serious side effects of Fluoxymesterone?

The most serious risks are associated with hepatotoxicity. Prolonged use or high doses of this 17α-alkylated androgen have been linked to cholestatic hepatitis, jaundice, liver tumors (hepatic adenomas, hepatocellular carcinoma), and peliosis hepatis, which can be life-threatening . Regular liver function monitoring is essential.

5. Are there any tests I should undergo while using this product?

It is highly recommended to monitor liver function tests (AST/ALT) and lipid profiles (HDL/LDL) before, during, and after a cycle. Baseline and follow-up blood work are critical for assessing and managing potential health risks. Regular monitoring is advised by medical professionals .

6. Is Fluoxymesterone a controlled substance?

Yes, in the United States, Halotestin (fluoxymesterone) is a Schedule III controlled substance under the Controlled Substances Act . This indicates a potential for abuse and requires a prescription for legal medical use.

7. Is this product safe for use by women?

Generally, women are advised against using fluoxymesterone due to its potent androgenic effects. Use in women can cause virilization, including irreversible effects like deepening of the voice, clitoral enlargement, and excessive hair growth. It is also contraindicated in pregnant women due to the risk of fetal harm .

8. What is meant by “17α-alkylated” and why is it important?

The 17α-alkylated structure is a chemical modification that allows the steroid to survive oral administration and first-pass metabolism in the liver. However, this modification is also what makes it hepatotoxic. This characteristic is why cycles are typically short and liver support is highly recommended .

9. What is the half-life of Fluoxymesterone?

The half-life of fluoxymesterone after oral administration is approximately 9.2 hours . This relatively long half-life allows for once or twice-daily dosing to maintain stable blood levels.

10. How should Fluoxymesterone tablets be stored?

The tablets should be stored in a cool, dry place, protected from direct sunlight, at controlled room temperature (20° to 25°C or 68° to 77°F) as per standard storage guidelines . Always keep out of reach of children and pets.

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