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Most testosterone boosters take days, weeks, sometimes months to support testosterone levels. With 12 HOUR X-TREME it takes only hours. This superior men’s formula supports a boost in testosterone in 12 hours for same- day results.**

313% Increase in Total Testosterone**
21% Increase in Strength*
  Prostate Protection*

BioXgenic 12 HOUR X-TREME is designed to work rapidly, within hours, to boost testosterone. The 12 HOUR X-TREME formula strengthens libido and was found to significantly improve body composition after 8 weeks. 


  • Designed to boost testosterone in just 12 hours*
  • Formulated to be used as part of a strength and conditioning program*
  • Superior men’s vitality formula*
  • Stimulant-Free
  • Prostate Protection*



A natural alternative to anabolic steroids which contains free fatty acids, essential amino acids, vitamins, minerals and protein to help boost testosterone, sexual desire, mood and energy.*


A vital mineral which plays a significant role in the production of testosterone. It is very important for the functioning of the enzyme, hormone, and immune systems. It is also a potent antioxidant can also support the prostate.*


Contains diindolylmethane (DIM) which helps convert estradiol into estrogen metabolites. These metabolites are considered fat burners. The estrogen metabolites along with increased free testosterone promoted by DIM increases fat mobilization and a fat-burning metabolism.*

Olive Leaf

Helps support the production of nitric oxide, a signaling molecule that helps relax blood vessels.*

Safed Musli

Used in Ayurvedic medicine as an adoptogen and may have aphrodisiac capabilities.*

Boron Citrate

This formulation contains a strong dose of boron, that may support free testosterone.*

Tribulus Terrestris

Promotes vigor, vitality and stamina, in addition to supporting motor activity and muscle tone.*


A study determined that the group supplementing with fenugreek experienced significant reductions in body fat and improved performance in the leg and bench press. In another study, volunteers reported that the supplement had a positive effect on libido, sexual arousal, energy and stamina.**

For 12-hour testosterone boost: Take 1 serving of 4 capsules once daily. Do not exceed 4 capsules in a 24-hour period. Read the entire label before use and follow the directions provided.


FOR MEN ONLY. Not to be taken by those under 18 years of age, or those with hormone-related cancers. Use as directed. If you are using any prescription drug, or have a medical condition, consult your doctor before using this product. This product is not intended for use by pregnant or lactating women. Use only as directed. Do not exceed recommended daily intake. Discontinue use two weeks prior to surgery. If an erection lasts longer than 4 hours, please consult your physician. KEEP OUT OF REACH OF CHILDREN.

*This statement has not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Customer Questions & Answers

Are there any clinically studied ingredients in BioXgenic 12 HOUR X-TREME?

Yes, Testosurge is the clinically studied ingredient that supports healthy total testosterone levels, has favorable effects on body composition and supports increases in free testosterone within 12 hours.**

How long does it take to feel the effects?

This product was designed to work within 12 hours with the full dosing (4 capsules). This is what makes this product so unique, fast-acting and long-lasting.

Can this product be taken with any other BioXgenic products?

Yes, this product can be taken with any other product in the line. It goes very well alongside Bio Hard or Size - it's included in our Bio Hard X-treme Stack and in our Size X-treme Stack.





Our Story, Our Promise

Since 1999, BioXgenic has been devoted to researching and developing dietary supplements for both men and women with the goal of providing unparalleled sexual health benefits by utilizing powerful ingredients. The full line includes High Test, as well as Power Finish, designed to enhance sexual pleasure and Bio Hard, formulated to increase stamina, which can be taken safely when consumed together for dynamic results that BioXgenic is known for. These are unique and hormone free, well researched products with blends of adaptogenic herbs to help maximize the delicate hormonal balance that causes arousal.

Most sought after supplement ingredients

Lab tested

GMP facility

Great track-record

Promotes sexual drive

New lifestyle approach to sexual health

All formulas are time tested

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