Not medical advice. I am a software engineer, not a physician. This page documents my own protocol and the research I read while building it. Talk to a qualified clinician before changing your supplementation, diet or any treatment. Lab reference ranges quoted here vary by laboratory and by individual.
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Hormones are the body's chemical messengers, orchestrating muscle growth, fat distribution, mood, energy, libido, cognitive function, and longevity. Testosterone in men declines approximately 1-2% per year after age 30, a trajectory that accelerates with poor sleep, chronic stress, obesity, and sedentary behavior. Meanwhile, cortisol — the primary stress hormone — can become chronically elevated, suppressing testosterone production, promoting visceral fat storage, and impairing immune function.
Estrogen balance is equally critical. In men, aromatase converts testosterone to estradiol; excessive conversion (driven by body fat) leads to gynecomastia, water retention, and mood disturbances. In women, estrogen dominance relative to progesterone is linked to PMS, fibroids, and increased breast cancer risk. Optimizing these hormones naturally — through targeted supplementation, lifestyle, and monitoring — can profoundly improve quality of life.
The testosterone-cortisol ratio: Research shows that the testosterone-to-cortisol ratio is a better predictor of anabolic status than either hormone alone. Chronically elevated cortisol directly suppresses GnRH (gonadotropin-releasing hormone), reducing LH and FSH output from the pituitary, which in turn lowers testicular testosterone production.
The hypothalamic-pituitary-gonadal (HPG) axis controls sex hormone production. The hypothalamus releases GnRH in pulses, stimulating the pituitary to release LH (which triggers testosterone production in Leydig cells) and FSH (which supports spermatogenesis). This system operates via negative feedback: high testosterone suppresses GnRH/LH, while low testosterone stimulates them.
Chandrasekhar, K., et al. (2012). A prospective, randomized double-blind, placebo-controlled study of safety and efficacy of a high-concentration full-spectrum extract of ashwagandha root in reducing stress and anxiety in adults. Indian J Psychol Med, 34(3), 255-262. PubMed 23439798
These supplements target different aspects of hormonal optimization: testosterone production, cortisol regulation, estrogen metabolism, and cofactor support.
| Supplement | Role | Timing | Details |
|---|---|---|---|
| Ashwagandha KSM-66 | Adaptogen; reduces cortisol 23-30%, increases testosterone 10-22% in stressed men | 600 mg/day with breakfast | Supplement Stack |
| Tribulus Terrestris | Upregulates androgen receptor density; may enhance testosterone signaling | 500-750 mg/day with meals | Supplement Stack |
| DIM (Diindolylmethane) | Shifts estrogen metabolism from 16-alpha to 2-hydroxy pathway; balances E2 | 200 mg/day with fat-containing meal | Supplement Stack |
| 7-Keto DHEA | Non-androgenic DHEA metabolite; supports metabolic rate and thermogenesis | 100 mg/day in the morning | Supplement Stack |
| Zinc | Essential testosterone cofactor; aromatase inhibitor; required for Leydig cell function | 30 mg/day with dinner (with copper 2 mg to prevent depletion) | Supplement Stack |
| Saw Palmetto | 5-alpha reductase inhibitor; reduces DHT conversion; supports prostate health | 320 mg/day with meals | Supplement Stack |
| Vitamin D3 | Steroid hormone precursor; men with 25(OH)D >30 ng/mL have significantly higher testosterone | 5,000 IU/day with fat (adjust by blood level) | Supplement Stack |
Important: Ashwagandha KSM-66 is the most clinically validated extract. In a 2012 RCT (n=64), stressed adults taking 600 mg/day showed a 27.9% reduction in serum cortisol versus placebo. A separate study found a 17% increase in testosterone and 167% increase in sperm count in infertile men. Cycle 8 weeks on, 2 weeks off.
Neychev, V., & Mitev, V. (2005). The aphrodisiac herb Tribulus terrestris does not influence the androgen production in young men. J Ethnopharmacol, 101(1-3), 319-323. PubMed 24630840
Hormonal optimization requires objective measurement. Symptoms alone are unreliable — fatigue, low libido, and brain fog can have dozens of causes. A comprehensive hormonal panel provides the data to make targeted interventions.
| Test | What It Measures | Frequency | Details |
|---|---|---|---|
| Total Testosterone | Total circulating testosterone; optimal 500-900 ng/dL (men) | Every 6 months (AM draw before 10:00) | Lab Tests |
| Free Testosterone | Bioavailable (unbound) fraction; more clinically relevant than total | Every 6 months | Lab Tests |
| Estradiol (E2) | Primary estrogen; too high or low impairs mood, joints, CVD risk | Every 6 months | Lab Tests |
| DHEA-S | Adrenal androgen precursor; marker of adrenal reserve, declines with age | Every 12 months | Lab Tests |
| Cortisol (AM) | Stress hormone diurnal pattern; AM optimal 10-18 ug/dL | Every 6-12 months | Lab Tests |
| SHBG | Sex Hormone-Binding Globulin; high SHBG lowers free testosterone | Every 6-12 months | Lab Tests |
| TSH + Free T4 | Thyroid function; thyroid affects metabolism, energy, and hormone clearance | Every 12 months | Lab Tests |
| LH / FSH | Pituitary gonadotropins; distinguishes primary vs secondary hypogonadism | When testosterone is low | Lab Tests |
Testing protocol: Always draw testosterone in the morning (before 10:00 AM) after 7-8 hours of sleep and no alcohol for 48 hours. Testosterone peaks in the early morning and can be 30% lower in the afternoon. Fasting is preferred for accurate SHBG measurement.
In 2025, the FDA updated testosterone product labeling to remove the blanket cardiovascular risk warning while adding specific guidance about blood pressure monitoring, reflecting an evolving understanding of TRT safety. The Endocrine Society's updated 2026 guidelines now emphasize that symptom severity matters more than the exact testosterone number when determining treatment need. Enclomiphene (a selective estrogen receptor modulator) has gained significant clinical traction as an alternative to traditional TRT for younger men, as it restores natural testosterone production without compromising fertility, with studies showing it can double testosterone levels while preserving spermatogenesis.
Natural optimization strategies receiving increased clinical attention in 2025-2026 include ashwagandha (KSM-66), tongkat ali (Eurycoma longifolia), and fenugreek, all of which now have multiple randomized controlled trials supporting modest testosterone-boosting effects. However, their magnitude (typically 10-20% increase) remains far below pharmacological interventions. The foundational lifestyle levers, sleep optimization (7-9 hours), resistance training, body fat reduction below 20%, vitamin D adequacy (40-60 ng/mL), and zinc sufficiency, remain the highest-impact interventions before considering any supplements or medications.
Wiley (2025). Testosterone Replacement, Where Are We in 2025? Trends in Urology & Men's Health. Wiley