Blog Post

Do SARMS Suppress Testosterone?

As replacements for the more damaging prohormones, SARMs have taken the spotlight when it comes to muscle building and retention.

But what about its side effects?

It’s important to be familiar with the history and scientific process behind these research chemicals before using them. One of the great benefits to using SARMs is that the side effects studied so far have shown to be minimal. The most noticeable effect is a suppression of natural testosterone; however, many find that a gentle dip in testosterone isn’t noticeable. Regardless, as with any product in this realm of use, understanding the risks is a must.

SARMs are one of the most varied products out there—each one can be very different from the next. This means they all affect not only muscle mass and retention differently, but they also affect other body chemicals differently—including testosterone. Below is a list of a few of the more popular SARMs, listed from most potent to least potent. The more potent the product, the more it suppresses naturally-made testosterone.

1.       LGD-4033 (Ligandrol/Anabolicum)
2.       MK-2866 (Ostarine)
3.       MK-677 (Ibutamoren/Nutrabol)
4.       RAD-140 (Test Mimic)
5.       GW-1516 (Cardarine)
6.       S-4 (Andarine)

SARMs do not suppress endogenous testosterone production as much as exogenous testosterone does. The reason for this is that the androgenic to anabolic effects of exogenous testosterone are 1:1. But for SARMS, it’s typically at least 10:1, meaning that the user will have higher anabolic effect than androgenic effect. The androgenic effects suppress endogenous (self-made) testosterone.

Scientists aren’t yet sure just how much SARMs will affect testosterone over a long period of time, but if using recommended doses, it doesn’t seem to plummet testosterone levels enough to notice a difference in most cases so far. Some researchers choose to cycle the use of SARMs to get a better scope on its effect. Some even choose to follow up with blood work just to keep testosterone levels in check.

It’s also important to be familiar with side effects before use of any type of drug. Side effects for lower-than-normal testosterone include tiredness, fatigue, low energy, and low sex drive. Basically, if you’re feeling tired and down in the dumps, your testosterone could be low. Additional studies are being done to test the longevity of testosterone dips in order to better regulate the use of some specific SARMs. The good news is that SARMs are specific to certain tissues and avoid the testes to prevent other problems.

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