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Do Testosterone Levels Fluctuate? The Answer Is Yes — Here’s How

Do testosterone levels fluctuate? The simple answer is yes — even for men who don’t have any hormone issues, testosterone (and other hormones) will fluctuate naturally throughout the day.

This is one of the reasons we only measure testosterone levels in the morning — in the afternoon and evening, men’s testosterone levels tend to drop, sometimes severely.

Do testosterone levels fluctuate?

Why do testosterone levels fluctuate the way they do? That’s not a question we can really answer — you’d have to ask evolution for a clear answer to that question!

Just like every hormone in your body, including estrogen, insulin, adrenaline, cortisol, and others, testosterone levels do fluctuate daily — this can present difficulties for men who are considering therapy: Here’s why.

If your peak levels are just barely in the normal range, insurance may say that you don’t need therapy — however, this does not take into account what happens as your levels naturally lower throughout the day.

Interestingly, it is believed that testosterone levels do fluctuate from day to day (that is, throughout the month) in addition to the normal daily fluctuation, though the science behind this is new and not nearly as well established as the research behind women’s monthly and yearly hormone fluctuations.

Testosterone Levels Do Fluctuate, but It’s Hard to Predict Frequency or Severity

The trouble is, it’s difficult to say how much your levels will rise and fall since every man’s body is different. For some men, levels can fluctuate severely, dropping low enough to result in the symptoms of low testosterone. For others, who are perhaps in better health, levels may not fluctuate enough to be noticeable.

And so, the question naturally arises for these men — why do my testosterone levels fluctuate the way they do? Do my testosterone levels fluctuate because of my diet? Do my testosterone levels fluctuate because of my exercise habits or my weight? Why do my levels change so drastically?

Unfortunately, science does not have the full answer; however, we do know that, for men who are not suffering from clinically low testosterone, there are some measures you can take that may result in more stable levels, possibly alleviating the mild symptoms of low testosterone that you may be experiencing when your levels dip below normal.

Low Testosterone Is Different From Natural Daily Fluctuation

Low testosterone and normal hormone fluctuation are very different things. Testosterone levels do fluctuate over time, but, unless you are right on the edge of what is considered low testosterone, it is unlikely that the natural fluctuation of your hormone levels will lead to the manifestation of the symptoms of low testosterone.

(By the way, women suffer from low testosterone, too. Read about the effects here.)

If you suffer from low testosterone, your endocrine system, made up of glands and hormones, is coming up short on delivering what your body needs, and you could be experiencing negative symptoms as a result.

However, if you do fall on the cusp, if your hormone levels are just on the edge of normal, then there are some things you can do to get those levels back into a healthy range.

Learn About the Best TRT Methods

Diet and Exercise Affects Hormone Production

Though testosterone levels do fluctuate naturally, they fluctuate more wildly if you’re not taking care of your body.

If your low testosterone symptoms are not too severe, your overall health is the first place to look — testosterone levels do fluctuate, but those fluctuations may be reduced through proper nutrition and exercise, both of which promote balanced hormones and less severe fluctuations.

The problem is compounded when you eat poorly, exercise rarely, and begin to accumulate a lot of fat — adipose (fat) tissue can actually act as an estrogen-producing organ, and being overweight commonly contributes to an estrogen-heavy hormone balance.

Certain foods can also have an effect on hormone levels. The following are some things you should avoid putting in your body if your hormone health is a concern for you:

  • Alcohol
  • Street drugs (especially opiates and marijuana)
  • Some legal prescription drugs (especially opiate-based “painkillers”)
  • Sugar
  • Processed foods
  • Fast food and fried food

The list is pretty basic — it’s common knowledge that fried and processed foods, as well as heavy sugar intake, are bad for your health in many ways.

(You may have noticed that soy isn’t on the list — you can get more information on that topic here.)

Now you might be wondering — do testosterone levels fluctuate even when you’re taking proper care of your overall health?


If you’re eating right and still experiencing severe hormone fluctuations, the next question you should ask yourself is this — what chemicals am I putting into my body?

Alcohol and Drugs Can Have a Strong Effect on Hormone Levels

Alcohol and drugs can have the most serious effects on hormone levels. Reducing alcohol intake is likely a good idea, but if you’re taking opiate medications (or if you’re using illicit drugs, even recreationally), you might consider reducing the amount you use (or eliminating them altogether).

You might also want to talk with your medical provider about any medications you take regularly to find out if they could be causing your testosterone levels (or other hormones) to fluctuate.

After food, alcohol, and drugs, a lack of exercise is the next area to look at. Getting regular exercise can have a profound impact on your hormone levels. Whatever you are able to do with consistency is a plus when it comes to your basic health, but failing to listen to your body and overdoing it is a no-no.

Restoring Healthy Testosterone Levels — TRT Using the Most Reliable Methods

Do testosterone levels fluctuate day to day? Yes, they do, but they can fluctuate even more severely if you’re receiving the wrong kind of hormone replacement therapy.

Certain methods of supplementing testosterone (including the use of pellets, and sometimes creams or gels) can result in greater and more unpredictable variations in your testosterone levels — this is one of the main reasons we almost exclusively recommend injections.

If you’ve been diagnosed with clinical hypogonadism (the technical term for low testosterone), and you’ve determined, with your medical provider, that testosterone replacement is the right course of treatment to get relief from your symptoms, we believe it’s important to use the most reliable, accurate, and consistent methods possible.

Do testosterone levels fluctuate? They do, and while for some, proper diet and exercise can reduce those fluctuations, for others who suffer from clinically low testosterone, therapy is necessary.

Click the button below to find out why we believe testosterone injections are the most reliable way to keep testosterone levels optimal.

Learn About the Best TRT Methods



(Bill) William J. White, PA-C

(Bill) William J. White, PA-C brings over 20 years of surgical experience to our practice. He is a decorated veteran of the United States Army where he served for nearly 6 years with duty assignments, both here and abroad.   During his military career, Bill was trained as a Certified Surgical Technologist, and following an Honorable Discharge from the Army, he attended Texas Tech University.   He graduated with a Bachelor of Science in Biology and went on to attend PA School at the University of Texas Southwestern Medical Center at Dallas. He spent the first 10 years of his career in Neurosurgery.

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