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Can BioPrimo® (Primobolan) Enhance Muscle-building and Athletic Performance? (A Fact-based Report)

by Cecilia Lodi on July 13, 2023


If you’re an athlete or have been around the fitness community for quite some time, you may have heard about Primobolan and how it was apparently used by Mr. Olympia himself, Arnold Schwarzenegger, during the peak of his bodybuilding career. Although Arnie skirted around his steroid use during interviews, his ‘supposed’ roid cycle was 15-20mg of Dianabol every day with 100 mg of Primobolan per week.

True, Arnie’s association with Primobolan magnified its popularity, but this is just the tip of the iceberg. This article not only talks about how Primobolan rose to become one of the most in-demand Anabolics among athletes, bodybuilders, and serious physique biohackers, we will also investigate about its safety profile and what science has to say about its documented effects on both the male and female constitution.


Because BioPrimo® (Primobolan Enanthate) is a Dihydrotestosterone (DHT) derivative, it does not undergo aromatization. It is a major characteristic of Primobolan which makes it ideal for:

Cutting- Because it is not aromatized to estrogen, it doesn’t cause fluid retention and gynecomastia that will ruin your form. During a cutting cycle when you’re under a calorie deficient diet, it also prevents muscle wastage and help maintain all the muscle you gained during bulking. These will help you to have a harder physique, that is more defined and chiseled.


Women- BioPrimo® (Primobolan Enanthate) With an anabolic/androgenic ratio of 1/0.05, it has got a very low virilization rating making it a female friendly anabolic. This means that women can safely use it without having to worry about masculinizing effects such as facial hair, baldness, or a deeper voice making it a brilliant supplement that female consumers can enjoy!


Testosterone Booster- Compared to other AAS, it improves active and total testosterone by promoting sex hormone-binding globulin (SHBG) and luteinizing hormone (LH). And even if you took a high dosage, a meta-analysis using Methenolone, another name for Primobolan, doesn’t cause any liver toxicity, complications, or even minor adverse events.


Athletes- The performance enhancing effects of BioPrimo® (Primobolan Enanthate) is due to its strength and endurance building capabilities without the excessive muscle mass accretion and these effects can last for months. This is very significant because all you’ve worked for won’t just evaporate on thin air. Instead, BioPrimo® will safeguard your lean muscle gains from depletion during rigorous training.  A 2017 research attributed this to a greater response to oxidative stress and increased antioxidant enzyme activities among athletes using Methenolone or Primobolan Depot.


Recovery- It encourages improved muscle recovery. One study  has even demonstrated its positive effects on  hemiplegic, post-stroke patients. A weekly administration of 100mg Methenolone or Primobolan enanthate in combination with training provided an increase on muscle strength of the subjects without encountering any contraindications.


Recommended Dosing

The ideal dose of BioPrimo® (Primobolan Enanthate) for male athletes is 200-400mg every week. For female athletes, you can administer a weekly dose of 50-100mg.

When injected as a daily dose, males can take 50-100mg, and female athletes can administer between 10-25mg. This steroid is ideally stacked with Testosterone, and other anabolic steroids.



Note: Consult your doctor if you are diagnosed with severe health conditions like testicular cancer, liver damage, kidney damage, stroke, and persistent hypertension.