Laxosterone® 5-Alpha-Hydroxy-Laxogenin
Mechanism of Action +
### The Biochemistry of Brassinosteroids Laxogenin belongs to a class of plant hormones known as brassinosteroids. In the plant kingdom, brassinosteroids are essential for regulating growth, cell elongation, and division. They are naturally found in very small amounts in the stems of Asian plants such as Smilax sieboldii, Allium schoenoprasum, Allium chinense, and Solanum unguiculatum. In plants, these steroidal compounds bind to cell-surface receptor kinases (such as BRI1), initiating a complex intracellular phosphorylation cascade that ultimately regulates gene expression for plant growth.
### Mammalian Pharmacodynamics (Theoretical vs. Proven) In the dietary supplement industry, 5-alpha-hydroxy-laxogenin is heavily promoted as a 'natural anabolic' agent. Marketers frequently claim that it can increase muscle protein synthesis by up to 200%, inhibit protein breakdown, and reduce cortisol levels. The theoretical mechanism proposed by supplement companies suggests that brassinosteroids might interact with mammalian intracellular receptors, such as the Akt/mTOR signaling pathway, which is the primary driver of muscle hypertrophy in humans.
However, from a rigorous biochemical and clinical perspective, mammals do not possess the BRI1 receptors that brassinosteroids act upon in plants. Furthermore, there is an absolute lack of peer-reviewed, published literature demonstrating that 5-alpha-hydroxy-laxogenin binds to the human androgen receptor, estrogen receptor, or directly activates the mTORC1 pathway. According to the Operation Supplement Safety (OPSS) database and Examine.com, no studies have been conducted on the effects of laxogenin or 5-alpha-hydroxy-laxogenin in humans or animals. Therefore, any claimed mechanisms of action in humans remain entirely speculative and scientifically unverified.
### Synthetic Derivation from Diosgenin While marketed as a natural plant extract, 5-alpha-hydroxy-laxogenin is not naturally occurring. OPSS reports that no scientific literature has demonstrated its natural occurrence in any botanical source. Instead, the 5-alpha-hydroxy-laxogenin found in dietary supplements is a synthetic compound. It is chemically synthesized from diosgenin, a naturally occurring spirostan sapogenin found in wild yams (Dioscorea species). Diosgenin is widely used as a foundational raw material in the pharmaceutical industry for the semi-synthesis of steroidal drugs, including cortisone, pregnenolone, and progesterone. The chemical conversion of diosgenin into 5-alpha-hydroxy-laxogenin involves multiple synthetic steps, further distancing it from the 'natural plant extract' claims made on supplement labels.
### Pharmacokinetics and Bioavailability Because no human or animal trials exist, the pharmacokinetic profile of 5-alpha-hydroxy-laxogenin—including its absorption, distribution, metabolism, and excretion (ADME)—is completely unknown. It is unclear whether the compound survives first-pass hepatic metabolism, what its elimination half-life is, or whether it crosses the blood-brain barrier. The lack of pharmacokinetic data makes it impossible to establish a scientifically validated minimum effective dose or upper safety limit.
What is 5a hydroxy Laxogenin used for? +
What is the strongest supplement for muscle building? +
What is alpha-hydroxy laxogenin? +
Is 5-alpha-hydroxy-Laxogenin legal? +
What is the source of Laxogenin? +
Is laxogenin a myostatin inhibitor? +
What is the half life of Laxogenin? +
Does Laxosterone require post-cycle therapy (PCT)? +
Can women take 5-alpha-hydroxy-laxogenin? +
Will laxogenin cause a failed drug test? +
Is laxogenin safe for military personnel? +
How does laxogenin compare to creatine? +
What is the recommended dosage for Laxosterone? +
Are there any known side effects of laxogenin? +
Why did the FDA ban 5-alpha-hydroxy-laxogenin? +
Is Laxosterone a prohormone? +
Does laxogenin cause liver damage? +
What plants naturally contain laxogenin? +
Everything About Laxosterone® 5-Alpha-Hydroxy-Laxogenin Article
## Introduction to Laxosterone and Laxogenin In the ever-evolving landscape of sports nutrition and bodybuilding supplements, few ingredients have generated as much curiosity and controversy as Laxosterone®, a trademarked form of 5-alpha-hydroxy-laxogenin. Marketed aggressively as a "natural anabolic" capable of delivering steroid-like muscle gains without the harsh side effects, it has become a popular inclusion in muscle-building stacks. However, a deep dive into the biochemistry, clinical literature, and regulatory status reveals a stark contrast between marketing claims and scientific reality.
## What is 5-Alpha-Hydroxy-Laxogenin? To understand 5-alpha-hydroxy-laxogenin, we must first look at its parent compound: laxogenin. Laxogenin was first identified in 1963 by Japanese researchers Akahori and Yasuda, who isolated it from the stems of *Smilax sieboldii*, an Asian plant. It belongs to a class of plant hormones known as brassinosteroids, which are responsible for promoting growth, cell division, and vitality in plants.
Supplement companies claim that 5-alpha-hydroxy-laxogenin is a natural derivative of this plant steroid. However, according to the Operation Supplement Safety (OPSS) database, there are no scientific reports demonstrating that 5-alpha-hydroxy-laxogenin occurs naturally in any plant. Instead, it is a synthetic compound derived from diosgenin—a plant-based raw material extracted from wild yams that the pharmaceutical industry uses to synthesize steroidal drugs like cortisone and progesterone.
## The Science: A Complete Lack of Clinical Evidence When evaluating any sports supplement, the gold standard is peer-reviewed, double-blind, placebo-controlled human trials. In the case of 5-alpha-hydroxy-laxogenin, the scientific consensus is clear: there is no evidence.
Examine.com, a leading independent authority on supplement science, does not even maintain a dedicated evidence page for 5-alpha-hydroxy-laxogenin due to the complete absence of human clinical trials. Similarly, OPSS states unequivocally: "No studies have been done on the effects of laxogenin or 5-alpha-hydroxy-laxogenin in humans or animals, including whether these ingredients can produce any of the effects claimed for them as dietary supplement ingredients to gain any muscle mass."
Claims that 5-alpha-hydroxy-laxogenin increases protein synthesis by 200%, lowers cortisol, or acts as a myostatin inhibitor are entirely speculative and are not supported by any published pharmacokinetic or pharmacodynamic data in mammalian models.
## Regulatory Status: FDA and DoD Interventions Because of its synthetic nature and lack of safety data, 5-alpha-hydroxy-laxogenin has faced severe regulatory pushback.
1. **FDA Status**: The U.S. Food and Drug Administration (FDA) has determined that 5-alpha-hydroxy-laxogenin does not meet the legal definition of a dietary ingredient. Therefore, it should not be sold or marketed in dietary supplements. 2. **Military Prohibition**: The Department of Defense (DoD) has placed 5-alpha-hydroxy-laxogenin on its Prohibited Dietary Supplement Ingredients list. Service members are strictly forbidden from using products containing this compound.
## Safety and the Risk of Adulteration Perhaps the most concerning aspect of 5-alpha-hydroxy-laxogenin supplements is the risk of adulteration. Because the ingredient is synthetic and unregulated, quality control is notoriously poor.
Recent research testing products marketed as containing laxogenin found that the actual plant extract was rarely detected. Worse, products that did contain synthetic 5-alpha-hydroxy-laxogenin were frequently contaminated with undisclosed substances. According to OPSS, these hidden ingredients often include unapproved drugs or other synthetic compounds with unknown health effects. For drug-tested athletes and military personnel, taking a supplement with 5-alpha-hydroxy-laxogenin carries a massive risk of triggering a positive drug test due to these undisclosed contaminants.
## Anecdotal Claims vs. Scientific Reality Despite the lack of evidence and regulatory bans, anecdotal reports on bodybuilding forums often praise Laxosterone for providing mild strength gains, improved recovery, and enhanced muscle fullness. Users typically take dosages around 100 mg per day.
However, without clinical trials, it is impossible to separate these anecdotal benefits from the placebo effect, changes in diet and training, or the effects of undisclosed adulterants in the product.
## Conclusion While the idea of a "natural plant steroid" that builds muscle without side effects is highly appealing, 5-alpha-hydroxy-laxogenin does not fit that description. It is a synthetic compound with zero clinical evidence supporting its efficacy or safety. Given its status as an FDA non-dietary ingredient, its inclusion on the DoD Prohibited List, and the high risk of product adulteration, consumers—especially athletes and military personnel—should exercise extreme caution or avoid it entirely in favor of proven, safe alternatives like creatine monohydrate.