Halotestin / Fluoxymesterone

Quick Overview

Halotestin (Fluoxymesterone) Manufacturer: Hilma Biocare Pack: 100 tabs/bottle (5mg/tab ) Drug class: anabolic androgenic steroid Common names: Android-F, Androxy, Halotestin, Ora-Testryl, Ultandren Chemical structure: 9-alpha-fluoro-11-beta-hydroxy-17-alpha-methyl-4-androstene-3-one,17b-ol ...

CAS Number: 76-43-7
Molecular Formula: C20 H29 F O3
70.00 €
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Halotestin (Fluoxymesterone)

Manufacturer: Hilma Biocare
Pack: 100 tabs/bottle (5mg/tab )
Drug class: anabolic androgenic steroid
Common names: Android-F, Androxy, Halotestin, Ora-Testryl, Ultandren
Chemical structure: 9-alpha-fluoro-11-beta-hydroxy-17-alpha-methyl-4-androstene-3-one,17b-ol


Fluoxymesterone is a testosterone derived anabolic androgenic steroid or more specifically a structurally altered form of Methyltestosterone. Halotestin is the testosterone hormone with an added methyl group at the 17th carbon position to allow oral ingestion. It also possesses an added fluoro group at carbon 9 and 3 and a hydroxyl group at carbon 11. These modifications inhibit the steroid’s aromatization and greatly increase its androgenic nature. The androgenic nature and activity of Halotestin will be far beyond Methyltestosterone. By its structural design, Halotestin carries an anabolic rating of 1,900 and an androgenic rating of 850. All ratings are measured against pure testosterone, which carries a rating of 100 in both categories. This means Halotestin carries ratings that are almost beyond reason, but its anabolic rating is tremendously deceiving. While it carries a massive anabolic rating, its anabolic translation in human beings appears to be near zero. This steroid simply doesn’t translate into any notable anabolic effect and will primarily function by androgenic activity.

Halotestin Profile

  • Androgenic index - (850)
  • Anabolic index - (1,900)
  • Estrogen level – None
  • Progestational activity - Low
  • Toxicity for the liver – Very High
  • Water retention – None


  • Improves strength
  • Lean muscle mass
  • Fat burning
  • Muscle definition

Dose range and duration of use

  • Common cycle length is 2-4 weeks
  • Intake range: 10-20mg/ daily
  • Women: Not recommended
  • Half-life: 9.2 hours (Active life 6-8 hours)
  • Detection time: 2 months

Side effects

Halotestin is an androgen. Androgenic side effects are common, such as oily skin, acne, facial and body hair growth. Anabolic/androgenic steroids may also aggravate male pattern hair loss. May increase aggressiveness. Women are additionally warned of the potential virilizing effects of anabolic/androgenic steroids. These may include a deepening of the voice, menstrual irregularities, changes in skin texture, facial hair growth, and clitoral enlargement.
Anabolic/androgenic steroids can have deleterious effects on serum cholesterol. This includes a tendency to reduce HDL cholesterol values and increase LDL cholesterol values, which may shift the HDL to LDL balance which can increase a greater risk of arteriosclerosis. The relative impact of an anabolic/androgenic steroid on serum lipids is dependant on the dose, route of administration (oral vs. injectable), type of steroid (aromatizable or non-aromatizable), and level of resistance to hepatic metabolism. Halotestin has a strong effect on the hepatic management of cholesterol due to its structural resistance to liver breakdown and route of administration. Halotestin may also affect blood pressure and triglycerides, reduce endothelial relaxation, and support left ventricular hypertrophy, all potentially increasing the risk of cardiovascular disease and myocardial infarction. To help reduce cardiovascular strain it is advised to maintain an active cardiovascular exercise program and minimize the intake of saturated fats, cholesterol, and simple carbohydrates at all times during active AAS administration. Supplementing with fish oils (4 grams per day) and a natural cholesterol/antioxidant formula such as Lipid Stabil or a product with comparable ingredients is also recommended.
All anabolic/androgenic steroids when taken in doses sufficient to promote muscle gain are expected to suppress natural testosterone production. Without the intervention of PTC, testosterone levels should return to normal within 1-4 months of drug secession. Note that prolonged hypogonadotrophic hypogonadism can develop secondary to steroid abuse, necessitating medical intervention.
Studies administering 10 mg, 20 mg, or 30 mg of Halotestin to nine healthy male subjects for up to 12 weeks have demonstrated the strong suppression of natural testosterone levels, with inconsistent effects on gonadotropin levels. Although not fully understood, fluoxymesterone is proposed to have a direct suppressive effect on testicular steroidogenesis that is not mediated by the suppression gonadotropins.


Store at controlled room temperature 20° to 25°C (68° to 77°F)

After cycle therapy

Post Cycle Therapy starts after 24 hours, after last administration. Use gonadotropin with Novaldex to stimulate productions of your own testosterone.

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