Boldaxyl 300 is an injectable anabolic steroid which comes in 10 mL vials and contains 300 mg of Boldenone Undecylenate, it is an original brand product of Kalpa Pharmaceuticals. For intramuscular injections. An excellent product for a bulking cycle.

Boldaxyl 300 has been highly popular among bodybuilders for more than a decade. For all the time of its existence, it has proved its effectiveness. Learn how to use Boldaxyl 300 correctly and familiarize yourself with the properties of the drug.

Boldaxyl 300 Reviews

Boldaxyl 300 was originally planned as an alternative to the popular Dianoxyl. However, the results exceeded all expectations, and we got an unique steroid, which in many respects differs from Dianoxyl and often exceeds it.

The structure of Boldaxyl 300 molecule resembles methandienone, but is free from the alpha-methyl group, which allowed steroids not to be destroyed by liver cells and not to exert a negative impact on this organ.

The active ingredient of this drug is Undecylenate ester, which has a long half-life. This provides long-term effects on the body and the ability to make rare injections. You can always buy Boldaxyl 300 online.


If you read Boldaxyl 300 reviews, then you will learn that the mass is gained relatively slowly, but at the same time it contains little fat and water. First of all, this feature of the steroid is associated with its long half-life. Also for this reason Boldaxyl cycle should last at least ten weeks. Note the main effects of Boldaxyl 300:

  • The ability to gain high-quality muscle mass;
  • Increases appetite, which is important when conducting bulking cycles;
  • Strength increases significantly;
  • Red cell production is accelerated;
  • The quality of nutrition of tissues is increasing, which affects their growth.


As mentioned above, the cycle with this drug should be ten weeks, at least eight. With a shorter course, you will not be able to feel the full power of this steroid on your body.

Dosages range from 300 to 600 milligrams with a single injections over a week cycle. This advantage of Boldaxyl is associated with a long half-life of the active substance.

It should be noted the excellent compatibility of this drug with other AAS. For an effective mass gain cycle, you can successfully use a combination of Boldaxyl 300 – Turanaxyl or Boldaxyl 300Sustaxyl 350. If you are going to use this steroid for cutting, then use a combination with Oxandroxyl or Stanoxyl. It is also possible to use a combination of Boldaxyl 300Testoxyl Cypionate to speed up muscle gain.

Post-Cycle Therapy

This drug is susceptible to aromatization and it is desirable to be prepared for the occurrence of side effects associated with this. Use drugs of the antiestrogen group to slow down the process of converting into estradiol.

To speed up the recovery of the body, use Clomixyl or Nolvaxyl after main cycle. You can also use testosterone boosters to speed up the resumption of endogenous testosterone production.

Boldaxyl 300 User Reviews

Jeffrey Compo

Jeffrey Compo stands out as a leading authority in the field of injectable anabolic steroids and peptides. With a PhD in Pharmacology, Jeffrey combines his scientific expertise with practical experience to enhance athletic performance safely and effectively. As a prolific author and meticulous reviewer in the steroid community, he contributes significantly to both academic and practical understanding of performance enhancements.