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Drug Testing Policy

Urine test will be conducted on all ON-X Naturals pro qualifying class winners, over-all division winners and all professional division athletes earning a monetary win. Outside of those guidelines, it will be at the event promoter's discretion to implement any additional testing of a random bases. The ON-X Naturals has implemented strict qualifying standards for testing and retesting procedures regarding drug use and athlete participation based on the following criteria: All ON-X Naturals athletes must be free of all illegal performance-enhancing drugs for at least 5 years. ON-X Naturals bans the following substances and related compounds listed below, their use constitutes grounds for dismissal from all ON-X Naturals competitions and suspension from membership in ON-X Naturals for 5 years.


Banned Stubstances


A T/E ratio in excess of 6/1 is ruled as positive, no matter what the cause. Note: Should the use of any substance cause a T/E ratio in excess of the 6/1 limit, the athlete will be ruled as positive (failure). The T/E ratio is used to measure the presence of exogenous testosterone or illicit elevation of testosterone levels.

FDA Banned Substances & Illegal Drugs

FDA Banned Substances & Illegal Drugs when used for athletic or bodybuilding purposes, is banned.

Prescription Diuretics

Fen-phen and all other weight-loss substances used for bodybuilding purposes, even when physician-prescribed are banned by ON-X Naturals, including those used as masking agents.

Psychomotor Stimulants: Ephedrine and any derivative, and Amphetamines.

Clenbuterol, GHB, DNP (Dinitrophenol) 

Growth Hormones (pharmaceutical HGH, HCG and any other related compounds)

Hormone Antagonists and Modulators

The following classes are prohibited:

Aromatase inhibitors including, but not limited to: Anastrozole, Letrozole, Aminoglutethimide, Exemestane, Formestane, Testolactone. Selective Estrogen Receptor Modulators (SERMs) including, but not limited to: Raloxifene, Tamoxifen, Tormifene. Selective Androgen Receptor Modulators (SARMs), including but not limited to Ostarine, Andarine,MK-677. Other anti-estrogenic substances including, but not limited to: Clomiphene, Cyclofenil, Fulvestrant. Agents modifying Myostatin Function(s) including, but not limited to: Myostatin Inhibitors.

Over the Counter Supplements (OTC)

Nutritional supplement products that are sold over-the-counter may not be banned by the Federal Drug Administration (FDA). As a competitive athlete, it is your responsibility to research the products before you decide to purchase them for consumption. Although OTC supplements are not legally banned, it is each athlete’s responsibility and the responsibility of ON-X Naturals to adhere to the drug free policy. Any athlete urine test that is questionable is subject to retesting and/or disqualification from ON-X Naturals. (T/E) RATIO

Any athlete who is new the ON-X Naturals must have not used any prohormones including HCG or other banned over the counter supplements for at least two (2) years before joining ON-X Naturals for the first time.


Pre-Approved Request

Any questions or therapeutic use exemption requests must be submitted 30 days before the event date. All requests will be evaluated and may require additional items such as pre-event urine and polygraph test, blood work, and or doctor documentation at the cost of the athlete. No documentation will be accepted at the event without a pre-approval. The presence of any banned substance in the urine, no matter how it arrived there is ruled as a positive (failure).

Please submit form below:



Stimulants: 1 Year

Diuretics: 2 Years

Anabolic Steriods: 5 Years


Reminders: Rules are also in place for Promoters to authorize any additional testing at their events in addition to the testing of Pro status winners and Professionals that earn a monetary Award, to include randomized testing.

All ON-X Pros are subjected to off season and in season drug testing by the ON-X Directors at their own discretion.

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