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The 5 Best Supplements to Take While on TRT (And 3 You Should Avoid)

  • Writer: Gary M. Rudashevsky, NP
    Gary M. Rudashevsky, NP
  • Nov 14
  • 7 min read

Updated: Nov 17

Are you a patient in the Edina, Minneapolis, or wider Minnesota community starting Testosterone Replacement Therapy (TRT)? It is common to wonder about the role of vitamins and TRT supplements in your new health regimen. There are a lot on the market to choose from, but we believe that these are the 5 Best Supplements to Take While on TRT.


According to a 2017 study published in PMC, the prevalence of testosterone deficiency can affect up to 40% of men as they age, making TRT a crucial, life-changing treatment for many. 


As you work with the experienced licensed providers at Medical Specialists, PA in Edina, MN, focusing on the right foundational nutrition is key to optimizing your results and managing your health.


This comprehensive guide will help you understand the evidence-based TRT supplements that can support your treatment, as well as three common supplements to approach with caution or avoid entirely. Our goal is to empower you to make informed choices with your prescriber and feel your best while on TRT.



Key Takeaways

  • Consult Your Prescriber: Always discuss all TRT supplements with the medical team at Medical Specialists, PA before you start taking them.

  • Support Foundational Health: Supplements like Vitamin D and Magnesium address common deficiencies that can negatively impact overall hormone health.

  • Balance is Essential: Certain minerals like Zinc may help manage estrogen levels, which naturally increase when starting TRT.

  • Protect Your Heart: Omega-3 Fatty Acids support cardiovascular health, which is a vital part of monitoring for any patient on TRT.

  • Avoid Unregulated Hormones: Supplements containing DHEA or high-dose, unproven "T-boosters" should be avoided as they can disrupt your carefully managed hormone balance.


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How Do I Safely Incorporate TRT Supplements into My Routine?


Starting a new treatment plan like TRT involves more than just the prescription itself. It requires a holistic view of your health. Adding TRT supplements can be beneficial, but safety is the first priority for our patients in Edina.


The safest approach starts with blood work. Your Medical Specialists provider will review your lab results to identify any nutritional deficiencies. For example, a significant portion of the population is deficient in Vitamin D, which is essential for hormone function and overall immunity. Targeting these known deficiencies with supplements provides a strong foundation for your treatment.


It is critical to remember that supplements are not regulated by the FDA in the same way as prescription drugs are. This means the potency and purity can vary widely. Only medical-grade supplements or products recommended by a trusted healthcare provider should be used. This personalized guidance helps our Minnesota patients avoid the risk of taking ineffective or potentially harmful products.



What Are the 5 Best TRT Supplements to Take?

While TRT itself provides the needed testosterone, certain vitamins and minerals are scientifically shown to support healthy hormone pathways and overall wellness. These supplements are often recommended to support your body while on therapy.


1. Vitamin D

Why Is Vitamin D Recommended During TRT?

Vitamin D is actually a hormone precursor, not just a vitamin. Many people receiving TRT are already deficient, which can negatively impact overall well-being.


Research suggests that Vitamin D supplementation may support healthy testosterone levels in men who are deficient, according to studies summarized by the National Institutes of Health (NIH). Even on TRT, ensuring adequate levels of Vitamin D is vital for bone health, mood, and immune function. Given the shorter days in Minnesota winters, it can be challenging to get enough sun exposure to produce adequate Vitamin D naturally. Your doctor can prescribe a specific dose based on your blood test results.


2. Zinc

How Does Zinc Supplementation Support Hormone Balance?

Zinc is an essential trace mineral that plays a crucial role in the production of testosterone and overall immune health.


One of the key functions of zinc is its ability to help inhibit the aromatase enzyme. This enzyme converts testosterone into estrogen. Since TRT naturally increases your testosterone, your body may also produce more estrogen, which can lead to unwanted side effects. Zinc helps manage this process, ensuring more of your testosterone stays available for its intended benefits. The NIH notes that a zinc deficiency is often associated with low testosterone levels.


#3. Magnesium

Can Magnesium Improve My Free Testosterone Levels?

Magnesium is involved in hundreds of bodily processes, including muscle relaxation, sleep quality, and hormone regulation.


Studies have shown that taking magnesium can help increase both free and total testosterone values, especially when combined with exercise. Magnesium may work by reducing the binding of testosterone to a protein called Sex Hormone-Binding Globulin (SHBG). When testosterone is bound to SHBG, it is not "free" to be used by the body's tissues. Taking magnesium, especially a form like Magnesium Glycinate, may increase the amount of active, available testosterone.


#4. Omega-3 Fatty Acids (EPA/DHA)

Why Should I Consider Omega-3 Fatty Acids (EPA/DHA)?

Omega-3s are essential fatty acids that are well-known for their cardiovascular and anti-inflammatory benefits.


While TRT is generally safe and effective, one area doctors monitor is your cardiovascular health. Omega-3s, specifically the EPA and DHA components, help to reduce inflammation and promote heart health. The American Heart Association strongly recommends Omega-3s to support overall heart and circulatory health, making them a sensible addition for any patient on a long-term hormone therapy.


#5. Boron 

What is the Benefit of Boron While on TRT?

Boron is a trace mineral that has gained attention for its positive impact on hormone profiles.

Research suggests that boron supplementation can reduce SHBG levels and estrogen levels. By reducing SHBG, boron potentially increases the amount of free, usable testosterone in your system, similar to the effect of magnesium. This is an excellent addition for patients in Minnesota looking to maximize the benefit of their prescribed TRT.


Preventive Health Tip: Never buy supplements from non-reputable sources. Look for products that have a third-party quality seal (like USP) to ensure you are getting exactly what is listed on the label.



Which 3 TRT Supplements Should I Avoid or Use with Extreme Caution?


When shopping for TRT supplements, you will encounter many over-the-counter "T-boosters." While the claims sound compelling, many of these products are ineffective, or worse, can interfere with the precise treatment plan developed by your provider at Medical Specialists, PA.


#1. DHEA

Why Should I Avoid DHEA?

DHEA (Dehydroepiandrosterone) is a hormone that your adrenal glands produce and your body uses to create both testosterone and estrogen.


When you are on prescribed TRT, through Medical Specialists, your provider is carefully monitoring and adjusting your testosterone dose to achieve specific therapeutic levels. Adding an over-the-counter precursor like DHEA can disrupt this carefully managed balance. It is a potent hormone itself, and too much can throw off your total hormone profile, leading to unexpected side effects or reducing the effectiveness of your primary treatment. Only consider DHEA if your doctor explicitly diagnoses a DHEA deficiency and recommends a specific, monitored dose.


#2. “Testosterone Boosters”

Why Should I Be Wary of Unregulated “Testosterone Boosters”?

Many over-the-counter products are marketed as "Testosterone Boosters" and contain ingredients like Tribulus Terrestris, Fenugreek, and high-dose D-Aspartic Acid.


The problem with these unregulated blends is that the claims are often not supported by high-quality, peer-reviewed medical research, as noted in a review published in PMC. For instance, D-Aspartic Acid has conflicting data; while one small study showed an increase in T levels, a later study found that taking a higher dose actually reduced testosterone levels. Using a product with an unknown or inaccurate dose, or an ingredient with conflicting evidence, can make it nearly impossible for your doctor to monitor your progress effectively. Stick to the medical plan.


#3. Anti-Estrogen Supplements

 Are Anti-Estrogen Supplements Safe While on TRT?

Some bodybuilders and uncertified clinics suggest taking over-the-counter supplements that claim to block estrogen.


Your Medical Specialists provider may prescribe an aromatase inhibitor (AI) if your estrogen levels rise too high on TRT. However, you should never take an unprescribed or over-the-counter estrogen blocker. Estrogen is an essential hormone for men, necessary for bone density, brain function, and a healthy libido


Too little estrogen can be just as harmful as too much. The only way to manage your estrogen levels safely is through careful monitoring and prescription management by your licensed provider.



Frequently Asked Questions About TRT Supplements


How much Zinc is safe to take with my TRT prescription? 

Most adult males can safely take between 15-30mg of elemental zinc daily to support hormone health, but you should not exceed 40mg without a doctor’s guidance. Taking too much zinc can lead to side effects like nausea or even copper deficiency, so speak with your specialist.

Will TRT supplements interfere with my other medications? 

Yes, supplements can sometimes interact with prescription medications, especially Omega-3s (which can affect blood thinners) and high doses of certain vitamins. Always provide a full list of all prescriptions and TRT supplements to your Medical Specialists, PA provider in Edina.


When should I contact Medical Specialists, PA about my supplements? 

You should contact our Edina practice immediately if you start experiencing new or unusual side effects after adding a supplement, or if you plan to introduce a new vitamin. Our Minnesota team will ensure your regimen is safe and customized to your health needs.



Conclusion

Starting a TRT program is a major step toward reclaiming your energy, strength, and overall quality of life. For our patients across Edina, Minneapolis, and the wider Minnesota community, supporting your treatment with the right TRT supplements can help maximize your health benefits and minimize potential issues.


Remember the three most important takeaways: always get a full lab panel to identify true deficiencies, stick to evidence-based foundational supplements like Vitamin D and Magnesium, and strictly avoid unregulated hormonal boosters that can disrupt your doctor's plan.


Our expert team at Medical Specialists in Edina is here to guide you through every decision, from your prescription to your supplement stack. Your health is our priority.


medical specialists team
The Medical Specialists team in Edina, MN

For personalized care, contact Medical Specialists in Edina to discuss your symptoms or schedule a consultation today.


Citations 

  1. PMC/NCBI (Testosterone deficiency prevalence): "Testosterone deficiency in adults and corresponding treatment patterns across the globe." (2017)

  2. NIH/PMC (Zinc and T-levels): "'Testosterone Boosting' Supplements Composition and Claims Are not Supported by the Academic Literature." (2019) (Used for zinc benefit and for the general caution about boosters)

  3. WebMD/Biological Trace Element Research (Magnesium and T-levels): "The Best Testosterone Boosters for Men Over 50" (citing Biological Trace Element Research)

  4. American Heart Association (AHA) (Omega-3s for Heart Health): General guidelines on Omega-3s and heart health.

  5. Endocrine Society (Vitamin D Levels): General guidelines on Vitamin D deficiency and levels.


Medical Disclaimer

This information is for educational purposes and should not replace professional medical advice. If you're experiencing symptoms or have health concerns, contact Medical Specialists, PA in Edina at (952) 835-2555 or schedule an appointment online at www.medicalspecialistsmn.com.

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