As we age, our hormones begin to play bigger and bigger roles in our lives. If you’ve been wondering if your new “spare tire” is related to your hormones, you may be onto something. As it turns out, testosterone can affect more than just energy and sex drive. It can also impact your weight. If you’re a man over 35 or a woman over 45 and you’re noticing stubborn belly fat that won’t go away, low testosterone might be a hidden factor.

How Testosterone Helps Control Weight

Testosterone is a hormone your body naturally produces. In men, it helps regulate:

• Muscle mass
• Fat distribution
• Energy levels
• Metabolism

In women, testosterone supports bone strength, mood, and lean muscle, especially after menopause.

When testosterone levels decline, estrogen levels often rise and become dominant. This leads your body to change. You might:

• Lose muscle
• Gain fat, especially around the belly
• Feel more tired and sluggish
• Have trouble staying active

To make matters worse, these changes slow your metabolism, making it easier to gain weight and much harder to lose it.

Why Low Testosterone Leads to Weight Gain

Here’s how low testosterone (also called “Low T”) contributes to weight gain:

1. Muscle Loss = Slower Metabolism

Muscle burns more calories than fat, even at rest. Less testosterone means less muscle, which means your body burns fewer calories.

2. Increased Fat Storage

With lower testosterone, your body is more likely to store fat, especially around the abdomen and chest.

3. Insulin Resistance

Low T can be linked to higher blood sugar and insulin resistance, making your body store more fat instead of burning it.

4. Less Motivation to Exercise

Low T often leads to fatigue and low motivation, which can make it harder to stay active and keep weight in check.

Common Signs of Low Testosterone

If you’re gaining weight and also experiencing any of these symptoms, Low T could be the cause:

• Low energy or constant fatigue
• Decreased sex drive
• Mood changes or irritability
• Difficulty building muscle
• Trouble sleeping

What You Can Do About It

✔️ Get Tested

A simple blood test can measure your testosterone levels. At SynergenX, your first testosterone test and consultation are free.

✔️ Explore Custom Treatment

If your results show low testosterone, you may qualify for Testosterone Replacement Therapy (TRT). At SynergenX, we offer custom-dosed TRT, tailored to your exact hormone levels, symptoms, and goals.

✔️ Combine with Weight Loss Support

Many of our patients choose to combine TRT with a medical weight loss program, including prescription options like GLP-1s to boost results.

An Important Note: Temporary Weight Gain on TRT

During months 3-6 of TRT, many patients experience temporary weight gain, which can be discouraging. However, it’s important to remember that this weight gain is mostly due to increasing lean muscle mass and water retention–a symptom of estrogen fluctuating in response to higher testosterone levels. The water retention is temporary, and the body will naturally lose the water weight, revealing the muscle beneath. If the idea of gaining water weight or appearing bigger during TRT is a concern, your provider can prescribe supplements or medications to fight water weight gain. If weight loss is a priority, you can also safely pair TRT with prescription weight loss treatments like semaglutide or tirzepatide, as mentioned above. Just be sure to prioritize protein to retain strength and muscle.

Real Patients, Real Results

Men and women who begin TRT often report:

• Improved energy and stamina
• Leaner body composition
• Better sleep
• More motivation to stay active

These changes can help reverse weight gain and lead to better health overall.

Schedule Your Free Low T Test Today

If you’re over 35 and struggling with unexplained weight gain, it’s time to consider what your hormones are doing behind the scenes.

SynergenX offers fast, easy testosterone testing and personalized weight loss plans for men and women across Texas and beyond. With convenient clinics in Dallas, Houston, San Antonio, and more, getting answers and losing fat is easier than ever.