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For years, the conversation around hormones has focused on replacement. Progesterone. Estrogen. Testosterone. DHEA. Pregnenolone. The assumption is often that if symptoms appear, something must be missing and therefore must be replaced.
In this Q&A, Dr. J explains why that assumption is incomplete.
Your body is not passive. It is designed to make hormones, regulate them, and break them down safely. When those pathways are supported and balanced, many people discover they do not need external hormone replacement at all.
What changes everything is understanding the hormone pathway and the genes that control it.
Hormones Start With Cholesterol
Every major hormone in your body begins with cholesterol.
Despite decades of cholesterol being vilified, it is a critical raw material for hormone production. From cholesterol, your body produces pregnenolone, the master precursor hormone. From pregnenolone, your body makes:
- Progesterone
- Cortisol and other stress hormones
- DHEA
- Testosterone
- Estrogens
If cholesterol production is suppressed or blocked, the entire hormone cascade downstream is affected. This is one reason hormone symptoms can appear unexpectedly, especially in people taking statins or those with genetic variants affecting cholesterol metabolism.
The Pregnenolone Steal: When Stress Wins
Your body is evolutionarily designed to prioritize survival over reproduction.
When stress is high, pregnenolone is diverted away from sex hormone production and toward cortisol and adrenaline. This phenomenon is known as the pregnenolone steal.
The result can include:
- Low estrogen or testosterone
- Reduced libido
- Fertility challenges
- Accelerated aging symptoms
This is not a failure of the body. It is a protective response. Chronic stress simply keeps the system stuck in survival mode.
Genes Control Hormone Production and Breakdown
Hormone health is not only about what you make. It is equally about how well you break hormones down.
Genetic variants can affect:
- Enzymes that produce hormones
- Enzymes that convert hormones into metabolites
- Detox pathways responsible for eliminating those metabolites
Some estrogen metabolites, if not broken down efficiently, are carcinogenic. Variants in enzymes such as COMT and CYP450 can increase the risk of estrogen-driven cancers if those pathways are not properly supported.
When the correct nutrients are used to balance these pathways, hormone metabolism often normalizes naturally.
Why DHEA and Pregnenolone Can Backfire
DHEA and pregnenolone are commonly taken as “anti-aging” supplements. While they can be helpful in the right context, they are not benign.
Without genetic insight, supplementation can:
- Overconvert testosterone to DHT, increasing prostate risk and hair loss in men
- Increase estrogen levels without proper detoxification
- Drive production of harmful estrogen metabolites
Hormones do not act in isolation. Every intervention affects what happens downstream.
This is why Dr. J emphasizes looking at the entire pathway, not a single hormone or supplement.
Balance, Not Replacement
When biochemical pathways are balanced, the body often resumes hormone production and breakdown on its own.
Dr. J shares her personal experience:
At 65, she takes no hormone replacement therapy and reports no menopausal symptoms. The focus has never been on replacing hormones, but on supporting the genetic and biochemical systems that regulate them.
This approach does not dismiss hormone therapy when it is truly needed. It simply recognizes that many imbalances stem from pathway dysfunction, not hormone deficiency.
Why Genetics Changes the Hormone Conversation
Your genes determine:
- How efficiently you produce hormones
- How you respond to stress
- How hormones are metabolized
- Whether metabolites are safely eliminated
When you understand your genetic blueprint, nutrition and lifestyle interventions can be precisely targeted to restore balance. Guesswork is removed. Risk is reduced. The body is supported, not overridden.
Final Takeaway
Hormones are not the problem. Broken pathways are.
When you support hormone production, metabolism, and detoxification based on your genes, the body often does exactly what it was designed to do.
Ready to understand your genetic blueprint?
Get tested with MyHappyGenes® and learn how your body truly works.
