Your testosterone levels matter for muscle growth, recovery, strength, libido, and overall training drive. That’s why some bodybuilders and lifters look for testosterone boosters when progress feels slow. But there aren’t any muscle building supplements that raise your testosterone levels without you doing any work. Rather, your hormone levels are the result of several different factors. 

We’ll discuss why testosterone matters for muscle growth, lifestyle factors that can affect your levels, and what you can do to improve testosterone before taking a supplement. Then, we’ll talk about the best supplements for muscle growth that raise your testosterone levels, too. 

Why Testosterone Matters for Muscle Growth and Performance 

Testosterone is a reproductive hormone that supports the environment your body needs to build muscle and improve performance. Decades of research show that low testosterone levels are associated with low muscle mass, low energy, poor mood, and reduced training drive. But even if testosterone levels are normal, it takes progressive overload, eating enough calories, protein intake, and recovery to build muscle. 

You can’t take a testosterone booster to replace these fundamentals, so you should consider them carefully. They’re not anabolic replacements for a good training program and balanced nutrition. Even the best supplement will only support your system for performance by relieving stress, improving sleep, and strengthening hormonal balance. 

Before You Buy a Booster, Rule Out Why Testosterone Feels Low

Maybe you feel like your testosterone levels need a boost because your results are showing slow progress, or you feel weak and tired in the gym. But it’s important to know that there’s a difference between having low testosterone and feeling like it could use a boost. In fact, your levels can change throughout the day, with testosterone being highest in the morning. It can also drop with too much exercise, poor nutrition, and certain medications. 

Knowing this is important because a lot of testosterone problems are just lifestyle problems you need to address. If you’re on a very restrictive diet, sleeping badly, drinking heavily, overtraining, or carrying excess body fat, they can affect how you feel. And if you feel tired, weak, or flat, it’s easy to think that the solution lies in a testosterone booster.  

Factors That Support Healthy Testosterone Naturally 

Before we get to the best supplements for muscle growth, we’ll talk about factors that support healthy testosterone levels naturally. 

Sleep 

Since your body’s testosterone production follows a daily schedule, losing sleep can disrupt that rhythm. According to one study, sleep deprivation and obstructive sleep apnea can reduce testosterone levels in males. Just one week of limiting sleep to five hours per night can drastically reduce testosterone levels and reduce energy in a similar way to aging 10 years.    

Body Composition 

Your body composition matters because high levels of body fat are linked to low testosterone in men, and losing excess weight in men with obesity is associated with improvements in testosterone levels. This doesn’t mean you need to get extremely lean, but just that your hormone health responds well to a healthy body composition rather than to supplements.   

Resistance Training 

Resistance training is one of the most reliable ways to support muscle growth and performance. Workouts that include body weight exercises or lifting weights can acutely raise testosterone, especially at moderate to high intensity, but don’t confuse these short spikes with permanent hormone transformation. The most important reason to practice resistance training is to signal muscle growth. 

Stress Management 

Supplements to build muscle and increase testosterone work on your stress levels because chronic stress works against recovery and training quality. This explains why Ashwagandha is a common ingredient in testosterone boosting supplements. According to the NIH Office of Dietary Supplements, ashwagandha extract can potentially reduce stress and anxiety, as well as cortisol levels, with several trials reporting improvements in sleep and fatigue. 

Muscle Building Supplements That Support Testosterone

Let’s go over a few muscle building supplements that support your testosterone levels and build muscle. 

Testosterone Boosters 

Testosterone booster supplements like LGXNDS PCT + TEST are formulated to provide hormone support. It supports natural testosterone levels, balances your hormones, and speeds up post-cycle recovery to help you build muscle. It has fadogia agrestis to support athletic performance, tongkat ali to support libido and vitality, and ashwagandha to reduce stress. 

Estrogen Blocker 

Besides taking a testosterone booster, you can also consider an estrogen blocker, like LGXNDS ESTRO CEASE X, to balance hormone levels. It’s formulated for athletes, bodybuilders, and gym-goers who want to optimize testosterone levels and reduce estrogen dominance to maintain peak performance. It contains chrysin to support the reduction of excess estrogen and DIM (3,3'-Diindolylmethane), an estrogen modulator that balances estrogen metabolism. The result is improved muscle definition, better mood, and nutrient absorption. 

Ashwagandha

Another option is to try an ashwagandha supplement like LGXNDS ASHWAGANDHA, which gives you a 1300 mg dose of pure ashwagandha root extract. It’s enhanced with a patented ingredient, BioPerine, for better absorption, and can relieve stress. The formula works by regulating cortisol, the stress hormone, and enhancing cognitive clarity so you don’t deal with brain fog. This helps get rid of the flat and tired feeling that stops you from performing well. 

Do Testosterone Boosters Really Promote Muscle Growth? 

Yes, testosterone boosters can promote muscle growth sometimes, but not in the way people imagine. If the supplement helps you sleep better, manage stress levels, speed up recovery, or correct a micronutrient status, then yes, it indirectly promotes muscle growth by supporting better training. But that’s vastly different, claiming that it dramatically raises testosterone and builds muscle quickly. 

When to Consider a Testosterone Booster

If you want good supplements for muscle growth, testosterone boosters rank behind formulas like whey protein isolate or creatine monohydrate. Compared to boosters, these are proven to support muscle building when combined with structured meals, proper recovery, and resistance training.  

You can consider a testosterone booster supplement if you’ve fixed the basics and want targeted support for stress, recovery, or hormonal balance. Ashwagandha works great if stress is a big part of the problem, but a broader formula like PCT + TEST works for overall hormone support. 

Final Takeaway on Using Testosterone Booster

Overall, testosterone boosters aren’t useless, but they don’t top the list of best supplements for muscle growth. If your goal is to build muscle, they’re not the first answer, because even though testosterone matters for muscle growth, the best path for lasting gains starts with better sleep, better body composition, adequate protein intake, and smart resistance training. Once they’re in place, testosterone supplements make sense as long as you have realistic expectations for results.