Are the benefits of testosterone replacement for you?

At a 2013 Annual Meeting sponsored by The Endocrine Society, many of the speakers were from the international endocrinology community.

They praised testosterone replacement therapy for many unwanted symptoms and signs associated with aging-related hormone declines and published their clinical practice guidelines.

So, you may be thinking you want to try it.

Let’s start at the beginning and see what makes someone a good candidate for testosterone replacement, review the potential adverse effects, and see what important blood tests to manage replacement therapy are necessary…

Who is a candidate for testosterone therapy?

According to a report in a 2014 Journal of Sexual Medicine, a synthesis of international experts emphasized the diagnostic limitations of using a serum testosterone level as the only reason for replacement therapy and revealed that symptoms of low testosterone are the foremost criteria for determining this.

What are the symptoms of low testosterone in men and also in women? Let’s look at these. In men, low testosterone is seen by the following symptoms and signs:

• Fatigue, overall lack of energy
• Difficulty with concentration and memory; brain fog
• Loss of motivation at work and in life, mildly depressed mood
• Irritability (increased anger, agitation, or loss of patience)
• Reduced muscle mass and strength
• Increased body fat, gynecomastia (enlarging breasts), decreased body hair
• Decreased interest in sex or drive
• Erectile dysfunction, delayed refractory period (time it takes to have sex again)
• Hot flashes
• Infertility
• Insomnia
• Thinning dry skin

In women, low testosterone is seen by the following symptoms and signs:

• Reduced muscle strength and tone, easy fatigue with exercise
• Difficulty losing weight
• Decreased interest in sex
• Difficulty concentrating, mood swings, low mood, anxiety
• Hair loss

Therefore, if one or more of these symptoms deserve improvement, you are likely a candidate for testosterone replacement.

According to the Endocrine Society, there is overwhelming evidence of benefits of Testosterone therapy, but you must have “…unequivocally and consistently low serum T concentrations” in order to fit their criteria for replacement therapy. Therefore, a serum free testosterone level is the first and main blood test to have performed. If your level is close to or below the normal lab reference range, then there will be little question of benefit from testosterone replacement therapy.

Related: Six reasons you shouldn’t get testosterone therapy

However, if your testosterone level is in the middle to high end of the range, consider ways to increase testosterone uptake into your organ tissues. These methods include:

• Lose excessive body weight; primarily through aerobic exercise plus strength training, and consuming only nutrient-rich foods.
• Eliminate refined sugar from your diet
• Consume plenty of healthy fats (not only from avocados and nuts but also saturated fats at 50-60 percent of your diet. Examples are olive oil, coconut oil, grass-fed meats, real butter).
• Take a protein powder supplement daily; from whey, rice, or pea protein.
• Take Vitamin D to maximize your level (and then have it tested by your doctor)
• Take Zinc 25 mg twice daily
• Reduce stress

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Lab tests needed

There are certain blood tests you’ll need since there are interactions between testosterone and other sex steroid hormones in the body. These include:

• LH (luteinizing hormone): this tells us if your testosterone is low due to insufficient signaling hormones from the brain, or insufficient production in the gonadal or adrenal organs
• SHBG (sex hormone binding globulin)
• Estradiol: this can build up due to the excessive activity of the aromatase enzyme. If too high, it can be suppressed using the aromatase-inhibitor Arimidex (anastrozole). This will boost testosterone.
• DHEA-S: this can be supplemented if it is low
• DHT (the metabolite of testosterone responsible for acne, hirsutism and hair loss)

Also, there can be other unwanted side effects in men and women who supplement with testosterone. The following blood tests are needed periodically:

• CBC: complete blood cell analysis. High red blood cell counts (polycythemia) increases blood clotting risk
• PSA: to monitor prostate activity
• Hemoglobin A1c to detect the presence of diabetes or metabolic syndrome

Managing adverse effects of testosterone replacement

There may be side effects of testosterone therapy. The good news is that there are ways to counteract such unwanted side effects.  For example:

• Acne:  many medications help this from topical antibiotics and tretinoin to IPL (intense pulsed light) or microneedling.
• Breast swelling or tenderness: effect should lessen in time; pain reliever medicines can be used.
• Hirsutism: facial hair growth in women affects 5-8% of adult females. If this develops with adequate testosterone replacement then consider
  • IPL long-term hair removal
  • Spironolactone (Aldactone) pills daily
  • Vaniqa (eflornithine) topical cream
  • Supplements found to help reduce hirsutism are diindolylmethane (DIM), N-acetyl cysteine (NAC), green tea, spearmint, licorice, reishi mushroom, saw palmetto, black cohosh and or chaste tree extract.
• Hair loss: Rogaine (minoxidil) is an over the counter scalp application daily; Propecia (finasteride) are prescription pills.

As an aside, if you read the January 2014 PLOS article which proposed that testosterone replacement in men after having a myocardial infarction increases their risk for a repeat event, the international experts referenced earlier found this not to be credible.

To long term health and feeling good,

Michael Cutler, M.D.

Sources:

1. About the Endocrine Society — Endocrine Society
2. Morgentaler A, Khera M, Maggi M, Zitzmann M. Commentary: Who is a candidate for testosterone therapy? A synthesis of international expert opinions. — J Sex Med. 2014 Jul;11(7):1636-45.
3. Testosterone Therapy in Men With Hypogonadism: An Endocrine Society Clinical Practice Guideline — The Journal of Clinical Endocrinology & Metabolism
4. Unluhizarci K, Karaca Z, Kelestimur F. Hirsutism – from diagnosis to use of antiandrogens. — Front Horm Res. 2013;40:103-14. PubMed PMID: 24002408