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Brawn Nutrition M-Sten is a formulation based on Methylstenbolone (2,17a-dimethyl-17b-hydroxy-5a-androst-1-en-3-one), a double-methylated non-steroidal prohormone also known as Ultradol. Each bottle contains 60 capsules designed for structured supplementation cycles.
Methylstenbolone is a double-methylated compound structurally similar to 5α-dihydrotestosterone (DHT) but classified as a non-steroidal prohormone rather than an anabolic-androgenic steroid. Its primary mechanism involves strong binding affinity for Sex Hormone Binding Globulin (SHBG), which increases free testosterone availability and enhances anabolic effects.
By binding to SHBG, Methylstenbolone reduces SHBG’s capacity to bind free hormones, increasing free testosterone availability. It does not aromatise to oestrogen, meaning it carries no risk of oestrogen-related side effects such as water retention or gynecomastia, and supports lean, dry muscle gains.
Take one capsule daily with plenty of water. Due to its potency, M-Sten is recommended for short cycles only, typically 4–6 weeks, followed by a structured break and post-cycle therapy (PCT). Liver support supplementation during the cycle is strongly advised.
M-Sten is intended for experienced adult males familiar with prohormone supplementation and cycle management. It is not suitable for beginners, women, minors, or individuals with pre-existing health conditions.
No. Brawn Nutrition M-Sten is a potent double-methylated prohormone intended exclusively for advanced users with prior experience in structured supplementation cycles and cycle support protocols.
M-Sten is well-suited to both bulking and cutting phases due to its non-aromatising profile, which supports lean, dry muscle gains without water retention. It is particularly popular among athletes seeking quality muscle mass with improved muscle definition.
The active ingredient is Methylstenbolone (2,17a-dimethyl-17b-hydroxy-5a-androst-1-en-3-one), a double-methylated non-steroidal prohormone. Additional excipients support capsule stability and consistent delivery.
As a double-methylated compound, M-Sten places significant strain on the liver. On-cycle liver support (e.g., TUDCA, Milk Thistle, or NAC) is essential. Post-cycle therapy (PCT) is mandatory after the cycle. Regular blood work monitoring is strongly recommended. Consult a healthcare professional before use.
Brawn Nutrition M-Sten is available through Cross The Limits, an authorised UK retailer. Orders placed before 4pm are dispatched the same day, with free UK shipping on orders over £89.
The UK’s very own Brawn Nutrition has carved a niche for itself in the world of advanced supplementation. Where competition is tight, Brawn Nutrition gained significant renown due to their innovative formulas and unwavering commitment to quality. They offer a comprehensive range of products designed to help athletes and fitness fanatics reach peak performance—both in the gym and outside of it, too.
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