Halotestin (Fluoxymesteron) is legendary among powerlifters and strength athletes. Its use in athletics and powerlifting is far more pronounced than itīs use in bodybuilding, where it is basically a one-trick-wonder used in the final weeks before a contest to harden up an already lean physique and give the user some added aggression during the final calorie depleted workouts before a contest. Halotestin has no estrogenic activity, and thus will not cause any kind of water retention or most of the bad effects associated with estrogen. It is however hepatoxic (liver toxic) and we recommend keeping doses at or around 40mgs/day for a maximum of 4-6 weeks. If you are using it for itīs pronounced effect on aggression, you can simply use 10mgs prior to a workout.

Halotestin also has a volumizing effect on the physique, and for those with low a body fat percentage, this will cause an immediately more contest ready appearance. This is due, at least in part, to Halotestin ability to increase mean hematocrit with and hemoglobin level as well as red cell mass. Halotestin also appears to act through cells already committed to respond to erythropoietin, which is good news for athletes, of course. As you can see, Halotestine has quite a profound effect on red blood cell production, and this action is clearly one of the most obvious mechanisms by which it is thought to exert its effects with regards to increasing strength and energy levels. It also points to the possibility of using it for athletics and sports where a high VO2 max is needed, such as Rugby, Mixed Martial Arts, etc..

It also exerts its effects on strength and fat loss by both regulation of fatty acid oxidation in the liver and fast-twitch muscle mitochondria. Oddly, for a drug which exerts such a nice anabolic effect, and promotes such good strength gains, it has a pretty low Androgen Receptor Binding affinity.

As far as strength and agression goes, Halotestin is a great drug. It is especially useful on a cutting or strength cycle. Itīs use for mass and weight gains have been pretty disappointing for most users, however.

Fluoxymesterone administration is (unfortunately) accompanied by a reduction in thyroid binding globulin which causes associated decreases in T3, while the free T4 index remained totally unaltered; thus implying that thyroid function was unchanged. Remember, many anabolic steroids (notably Trenbolone) lower your T3 levels.

Anyway, Halotestin is a testosterone derived steroid, and has an 11-beta group attached to it to inhibit aromatization, although it is particularly prone to being 5-alpha-reduced and may thus cause DHT related side effects, such as acne and hair loss. It is metabolized primarily by 6 beta-hydroxylation, 4-ene-reduction, 3-keto-reduction, and 11-hydroxy-oxidation. We know this by the identification of 4 particular metabolites and the tentative identification of at least 3 other metabolites. Detection of Halo in urine is possible for at least 5 days after a single 10 mg oral dose to previously untreated adult males, by monitoring the presence of 2 metabolites, since the parent drug is not detectable more than 1 day after the dose. However, the moral-compass of the athletic world, the IOC, has developed a test for fluoxymesterone metabolites that will detect them for up to 2 months after cessation of use.

This item is not in high demand in bodybuilding except for as a pre-contest drug, and would more likely be found circulating in Athletic and Powerlifting circles, where it is more commonly used in a cycle.