ErgoPharm 11-OXO is one of the most recognizable discontinued bodybuilding supplements from the late old-school prohormone era. Originally marketed by ErgoPharm, 11-OXO became known for its distinctive red, black, and white label design, its “Selective Cortisol Modulator” positioning, and its association with adrenosterone-based sports nutrition products.

This archive page is provided for historical and informational reference only. ErgoPharm 11-OXO is no longer available for purchase and is listed as out of stock, discontinued, and archived. The information below reflects historical label details, product positioning, ingredient information, and the role 11-OXO played in the old-school bodybuilding supplement market.

The original ErgoPharm 11-OXO formula featured 11-OXO, also known as adrenosterone, at 225 mg per 3-capsule serving. The product was packaged in a 60-capsule bottle, providing 20 servings per container. The front label identified 11-OXO as a “Selective Cortisol Modulator” and included classic label claims such as “Reduce Water & Fat,” “Nutrient Partitioning,” and “Improve Strength.”

Unlike many aggressive methylated prohormone products from the same general era, 11-OXO occupied a different position in the category. It was commonly discussed as a cortisol-focused, hardening, recomp-style supplement rather than a traditional mass-gain prohormone. This made ErgoPharm 11-OXO a memorable product among bodybuilding forum users, supplement collectors, and researchers studying the evolution of discontinued hormone-related sports supplements.

Product Status

Availability: Discontinued / Out of Stock
Product Type: Historical bodybuilding supplement archive
Brand: ErgoPharm / Ergopharm
Product Name: 11-OXO
Common Ingredient Name: Adrenosterone
Listed Ingredient: 11-OXO™ (adrenosterone)
Bottle Size: 60 capsules
Historical Serving Size: 3 capsules
Servings Per Container: 20
Historical Label Strength: 225 mg per 3-capsule serving

This product is not currently available for purchase. This page is intended for educational, historical, and product-archive purposes only.

Historical Label Information

Product Name: ErgoPharm 11-OXO
Front Label Name: 11-OXO
Front Label Positioning: Selective Cortisol Modulator
Listed Ingredient: 11-OXO™ (adrenosterone)
Serving Size: 3 capsules
Amount Per Serving: 225 mg
Servings Per Container: 20
Capsule Count: 60 capsules
Category: Old-School Bodybuilding Supplement / Prohormone Era Archive
Historical Market Era: Mid-to-late 2000s prohormone era

Supplement Facts / Historical Label Reference

Serving Information

Package Size: 60 capsules
Serving Size: 3 capsules
Servings Per Container: 20

Amount Per Serving

11-OXO™ (adrenosterone): 225 mg

Other Ingredients

Gelatin, microcrystalline cellulose, corn starch, magnesium stearate, silicon dioxide.

Historical Application / Directions

Original Label Reference: Take 3–6 capsules daily with food. The recommended cycle for this product is a maximum of 8 weeks.

This serving and application information is included only as a historical label reference and should not be interpreted as current use guidance, recommendation, or instruction.

Ingredient Background

11-OXO / Adrenosterone

11-OXO, commonly associated with adrenosterone, was the featured active ingredient in ErgoPharm 11-OXO. Adrenosterone is a naturally occurring steroidal compound associated with adrenal hormone pathways and was historically discussed in the bodybuilding supplement market for its relationship to cortisol modulation.

Cortisol is a hormone produced by the adrenal glands and is commonly associated with stress physiology. In bodybuilding and athletic communities, cortisol has long been discussed because of its relationship to recovery, muscle protein breakdown, water balance, and body composition. Products like ErgoPharm 11-OXO became popular because they were positioned around this cortisol-focused concept rather than the more common androgen-only marketing used by many prohormone-era products.

In the context of old-school supplementation, 11-OXO was often described as a harder, drier, recomp-oriented product. It was not typically remembered in the same way as extreme mass-building prohormones. Instead, its reputation was built around lean appearance, reduced water retention, and a more refined physique-focused positioning.

Historical Context

ErgoPharm 11-OXO appeared during a highly active period in the sports nutrition market. During this time, bodybuilding supplement companies were experimenting with prohormones, hormone-support compounds, aromatase inhibitors, cortisol-control products, and post-cycle support formulas. ErgoPharm was one of the most respected and closely watched brands in this category because of its earlier success with products such as 1-AD and 6-OXO.

While ErgoPharm 1-AD became closely associated with the classic prohormone boom, and 6-OXO became known for hormone-support and aromatase-inhibitor-style discussions, 11-OXO occupied a distinct position in the lineup. It was marketed around cortisol modulation, hardening, and body composition rather than purely size-focused claims.

This made 11-OXO an interesting bridge product. It belonged to the broader prohormone-era supplement landscape, but its label identity and consumer perception were different from many of the more aggressive compounds of the time. For that reason, 11-OXO remains a noteworthy product in the history of discontinued bodybuilding supplements.

Why ErgoPharm 11-OXO Became Well Known

ErgoPharm 11-OXO became well known because it had a unique identity in a crowded supplement category. Many products from the old-school prohormone era competed on intensity, rapid size gain, or extreme-sounding compound names. 11-OXO took a more specialized approach by focusing on cortisol modulation and physique refinement.

The original label design also helped make the product memorable. The bottle used a white container with a black cap and a bold red, black, and white label. Large “11-OXO” typography dominated the front panel, while the phrase “Selective Cortisol Modulator” gave the product a distinct scientific and performance-oriented identity.

Another reason 11-OXO remained memorable was its connection to ErgoPharm. The brand already had credibility among experienced supplement users because of its earlier role in the prohormone and hormone-support markets. When ErgoPharm released 11-OXO, it was viewed by many as part of a broader legacy product line that included 1-AD and 6-OXO.

11-OXO and the Old-School Prohormone Era

The old-school prohormone era was defined by aggressive innovation, ingredient-specific marketing, and heavy discussion across bodybuilding forums. Products were often evaluated based on the listed active ingredient, serving strength, perceived potency, brand reputation, and user feedback from the bodybuilding community.

ErgoPharm 11-OXO fit into that world as a specialized product with a more targeted identity. Rather than being remembered primarily as a mass-gain product, it became associated with cortisol control, lean body composition, and a harder physique appearance. This helped separate it from many of the stronger androgenic products that dominated the category.

For collectors, researchers, and supplement historians, ErgoPharm 11-OXO represents an important part of the broader hormone-related supplement timeline. It reflects the period when brands were moving beyond basic prohormones and exploring more specialized endocrine-support concepts within sports nutrition.

Historical Price

Original Retail Price: Historically sold around the premium bodybuilding supplement price range for a 60-capsule bottle.

Because 11-OXO was a specialty ErgoPharm product with a 60-capsule count and a 225 mg active amount per serving, it was typically positioned as a premium supplement rather than a low-cost general sports nutrition item.

Out of Stock Notice

ErgoPharm 11-OXO is no longer available for sale. This product page is maintained as a discontinued product archive for historical supplement research, ingredient reference, and SEO-accessible product information.

No purchase option is available for this item.

FAQ

Is ErgoPharm 11-OXO still available?

No. ErgoPharm 11-OXO is discontinued and listed as out of stock. This page is provided only as a historical archive and informational product reference.

What was the active ingredient in ErgoPharm 11-OXO?

The original label listed 11-OXO™ (adrenosterone) at 225 mg per 3-capsule serving.

How many capsules were in the original bottle?

The original ErgoPharm 11-OXO bottle contained 60 capsules.

What was the historical serving size for ErgoPharm 11-OXO?

The historical label reference listed a serving size of 3 capsules, with 20 servings per container.

What was 11-OXO marketed as?

ErgoPharm 11-OXO was marketed as a “Selective Cortisol Modulator” and was associated with old-school bodybuilding, cortisol-control, and physique-refinement supplement discussions.

Was 11-OXO the same as 1-AD?

No. 11-OXO and 1-AD were different ErgoPharm products with different listed ingredients and different historical market positioning. 1-AD was associated with the classic prohormone side of the category, while 11-OXO was associated more with cortisol modulation and lean physique support discussions.

Was 11-OXO the same as 6-OXO?

No. 11-OXO and 6-OXO were separate ErgoPharm products. 6-OXO was associated with aromatase-inhibitor-style hormone support, while 11-OXO was associated with adrenosterone and cortisol-modulation positioning.

Why is ErgoPharm 11-OXO remembered?

ErgoPharm 11-OXO is remembered for its distinctive cortisol-modulator positioning, its bold red and black label design, and its connection to the broader ErgoPharm prohormone-era product lineup.

Is this product for sale?

No. This product is not for sale. It is listed only as an out-of-stock, discontinued archive page.

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