How Your DNA Shapes Testosterone Balance and Hormonal Health
Testosterone is more than just the “male hormone.” While it is the primary sex hormone in men, it also plays an important role in women’s health. This hormone influences muscle growth, bone strength, metabolism, fertility, mood, and long-term vitality.
Many people associate changes in testosterone with lifestyle factors like aging, stress, diet, or exercise. While those factors matter, your genetic code may also play a major role in how your body regulates testosterone.
Genetic Factors That Shape Testosterone Levels
1. Luteinizing Hormone and Testosterone Production
Luteinizing hormone, or LH, is produced by the pituitary gland and signals the testes, or ovaries in women, to produce testosterone. Variations in genes that regulate LH activity may affect baseline testosterone levels.
2. Conversion of Testosterone to Estrogen
A portion of testosterone naturally converts into estradiol, a form of estrogen. The CYP19A1 gene, which encodes the aromatase enzyme, may influence how efficiently testosterone is converted to estrogen.
Hormone Health Starts in Your DNA
Understand the Blueprint Behind Your Balance
Your genes may influence testosterone production, estrogen conversion, free testosterone levels, DHT activity, energy, performance, and long-term vitality. Genetic testing can help reveal why your body responds the way it does.
3. SHBG and Free Testosterone
Not all testosterone in the body is active. A large portion binds to proteins, especially sex hormone-binding globulin, or SHBG, which makes it unavailable for tissues. Genetic variants in the SHBG gene may influence how much testosterone is bioavailable.
4. DHT Pathway
Testosterone can also be converted into DHT, a stronger androgen involved in male development, skin oil production, hair growth, and prostate health.
Why Hormonal Genetics Matter
Your genes may help explain why some people build muscle more easily, experience hormonal symptoms earlier, struggle with fertility despite normal bloodwork, or respond differently to lifestyle changes.
Personalized Health Strategies Based on DNA
For Low LH Activity
- Prioritize sleep quality, stress management, and resistance training.
- Support hormone production with nutrients such as zinc, magnesium, and vitamin D.
For High SHBG Levels
- Focus on metabolic health.
- Maintain a balanced diet rich in healthy fats and lean proteins.
For High Aromatase Activity
- Reduce alcohol intake and excess body fat.
- Add cruciferous vegetables such as broccoli, kale, and Brussels sprouts.
For DHT-Related Variants
- Monitor hair and prostate health with regular screenings.
- Support balanced testosterone activity through healthy lifestyle choices.
The Future of Hormonal Health: Precision Medicine
Standard hormone testing provides a snapshot of levels in the blood. Genetic testing may help reveal the underlying blueprint of how your body regulates hormones.
Final Thoughts
Your testosterone balance is not random. By uncovering genetic variations that shape hormone production, conversion, and regulation, you can better understand your body and support it with more personalized strategies.
Go Beyond Standard Hormone Testing
See What Your DNA May Reveal
Explore genetic insights that may help explain testosterone balance, hormone conversion, metabolism, energy, and long-term vitality.
Reviewed by Dr. Allen Meglin, Chief Medical Officer at MyGevity
About Our Chief Medical Officer
Dr. Meglin is a board-certified physician specializing in integrative and anti-aging medicine.
Disclaimer: MyGevity provides genetic information for educational purposes only. Our reports describe associations between genetic variants (SNPs) and health-related traits based on published research. They are not intended to diagnose, treat, cure, or prevent any disease. Genetic predispositions represent statistical tendencies and do not guarantee individual outcomes. Always consult with qualified healthcare professionals before making changes to your exercise routine, nutrition, or health regimen based on genetic information.