Description
Cambridge Research M-Sten is a potent prohormone that derives from DHT and binds to androgen receptors to enhance protein synthesis and red blood cell production. Not only does it help build massive muscle mass, but it also reduces cortisol production, a major culprit in hindering muscle growth. Athletes and bodybuilders alike use M-Sten to build lean muscle mass and push the limits of their performance.
- Increased muscle mass
- Enhanced strength
- Improved endurance
- Reduced recovery time
- Enhanced vascularity
- Reduced water retention
- Low risk of estrogenic side effects
- Versatile compound for both bulking and cutting cycles
What is Cambridge Research M-Sten and how does it work?
Cambridge Research M-Sten (Methylstenbolone) is a synthetic anabolic androgenic steroid that was developed as an alternative to the banned prohormones. It is a derivative of DHT (dihydrotestosterone) that has been modified with a methyl group attached to the 17th carbon atom, which allows it to be taken orally and makes it more resistant to metabolism in the liver. M-Sten is known for its ability to promote lean muscle mass gains, increased strength, and enhanced endurance.

Methylstenbolone Chemical Structure
How does M-Sten work?
It works by binding to androgen receptors in the body, which stimulates protein synthesis, increases nitrogen retention, and enhances red blood cell production. This leads to an increase in muscle mass, strength, and endurance. M-Sten is also known for its ability to reduce the production of cortisol, a hormone that can cause muscle breakdown and hinder muscle growth.
What are the benefits of using M-Sten?
The benefits of using M-Sten include increased muscle mass, enhanced strength, improved endurance, and reduced recovery time. It is an ideal compound for athletes and bodybuilders who want to build lean muscle mass and improve their performance. M-Sten is also known for its ability to enhance vascularity and reduce water retention, giving the muscles a more defined and dry look. It is a versatile compound that can be used for bulking or cutting cycles, depending on the individual’s goals.
Additionally, M-Sten has a relatively low risk of estrogenic side effects, such as gynecomastia, making it a popular choice for those who are sensitive to estrogen. However, it is important to note that the use of M-Sten is associated with potential side effects, and its use should be carefully considered and monitored.
What are the potential side effects of Cambridge Research M-Sten?
Cambridge Research M-Sten can have several potential side effects, including liver toxicity, elevated blood pressure, acne, hair loss, and increased cholesterol levels. Due to its androgenic nature, M-Sten can also cause virilization in women, leading to the development of male characteristics, such as deepening of the voice, facial hair growth, and clitoral enlargement. Additionally, M-Sten can suppress natural testosterone production, leading to low testosterone levels and potential sexual dysfunction.
It is important to note that the severity of these side effects can vary depending on the individual’s genetics, dosage, and cycle duration. Therefore, it is recommended to use M-Sten under the supervision of a healthcare professional and to follow proper dosing and cycling protocols.
What is the recommended M-Sten dosage?
The recommended dosage for Methylstenbolone is between 4-12mg per day for a cycle duration of 4-6 weeks. However, it is important to note that the dosage should be adjusted based on the individual’s experience level and tolerance to the compound. It is also recommended to split the daily dosage into two equal doses to maintain stable blood levels. M-Sten is typically used in a solo cycle, but it can also be stacked with other compounds for enhanced results.
When cycling M-Sten, it is recommended to use liver support supplements, such as N-Acetyl Cysteine (NAC) and Milk Thistle, to minimize the risk of liver toxicity. Additionally, a PCT (Post Cycle Therapy) protocol is recommended to help restore natural testosterone production and minimize potential side effects.
Can M-Sten be stacked with other supplements?
Yes, Cambridge Research M-Sten can be stacked with other supplements or steroids for enhanced results. It is commonly stacked with SARMs to promote lean muscle mass gains and improve strength. It can also be stacked with injectable compounds, such as testosterone or trenbolone, for enhanced results. However, it is important to note that stacking M-Sten with other compounds increases the risk of potential side effects, and the cycle should be carefully monitored and adjusted as needed. Additionally, it is recommended to use liver support supplements and a PCT protocol when stacking M-Sten with other compounds.
What is the half-life of M-Sten?
The half-life of M-Sten is approximately 9 hours, which means that it takes around 9 hours for half of the compound to be eliminated from the body. However, it can take up to 2-3 days for the compound to be completely eliminated from the body. This can vary depending on several factors, such as the individual’s metabolism, dosage, and cycle duration. It is important to note that M-Sten can be detected in drug tests for up to 2-3 weeks after the last dose. Therefore, athletes and bodybuilders who are subject to drug testing should avoid using M-Sten or any other banned substances.
Does Cambridge Research M-Sten require PCT?
Yes, Cambridge Research M-Sten requires PCT (Post Cycle Therapy) to help restore natural testosterone production and minimize potential side effects. A typical PCT protocol for M-Sten may include the use of a SERM (Selective Estrogen Receptor Modulator), such as Clomid or Nolvadex, for 4-6 weeks. Additionally, supplements such as aromatase inhibitors (AI) and testosterone boosters can be used to further support recovery. It is important to note that the duration and dosage of PCT should be based on the individual’s cycle duration, dosage, and personal response to the compound. It is recommended to consult with a healthcare professional before starting a PCT protocol.
Can M-Sten be used by women?
Methylstenbolone is not recommended for use by women due to its androgenic nature and potential for virilization. Virilization refers to the development of male characteristics, such as deepening of the voice, facial hair growth, and clitoral enlargement. These side effects can be irreversible in women, and therefore, the use of M-Sten should be avoided. Women who are interested in using anabolic androgenic steroids should consult with a healthcare professional to explore safer alternatives that are less likely to cause virilization.
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