Zhenoluten
Zhenoluten is an elite Cytomax natural bioregulator composed of complex peptide fractions extracted straight from youthful ovarian tissue. It is the absolute biological anchor for premier female longevity and reproductive restoration. In cutting-edge protocols, it is heavily deployed to aggressively push back the onset of menopause, powerfully crush catastrophic perimenopausal symptoms, and physically regenerate total ovarian endocrine capacity.
Quick Stats
Scientific Data
Mechanism of Action
Zhenoluten (A-15) is a Cytomax natural polypeptide extract from the ovarian tissue of young calves, targeting human granulosa cells, theca cells, and ovarian stromal cells to restore age-silenced gene expression governing estradiol synthesis, FSH receptor sensitivity, and follicular development. Female ovarian aging follows a more abrupt trajectory than any other organ system: from age 35–38, ovarian reserve declines measurably; from 45–50, the follicular pool is largely depleted and the hypothalamic-pituitary-ovarian (HPO) axis loses its negative feedback anchor as estradiol production collapses, causing FSH to surge and triggering perimenopause and menopause.
Zhenoluten delivers short peptide signals (<10 kDa) from bovine ovarian tissue. These peptides enter granulosa and theca cell nuclei to reactivate transcription of: CYP19A1 (aromatase — the enzyme converting androgens to estradiol in granulosa cells), StAR (steroidogenic acute regulatory protein, the rate-limiting step in progesterone biosynthesis in theca cells), FSH receptor (FSHR) — allowing granulosa cells to better respond to pituitary FSH during late folliculogenesis, and AMH (anti-Müllerian hormone, a marker of ovarian reserve). Critically, Zhenoluten does not provide exogenous estrogen or progesterone — it works upstream at the gene regulation level.
In Khavinson's female reproductive longevity system, Zhenoluten (A-15, ovarian) is paired with Thyreogen (A-2, thyroid) since thyroid hormones are essential co-regulators of ovarian steroidogenesis — subclinical hypothyroidism exacerbates ovarian aging and menstrual irregularity. The full female hormonal stack adds Endoluten (A-8, pineal/melatonin) since circadian disruption strongly impairs HPO axis function via melatonin's direct effect on GnRH pulsatility.
Source: PMID: 15677927
Background & History
Zhenoluten is the ovarian Cytomax extract, supporting female reproductive health and hormonal balance.
Research Use Cases
- ✓Female reproductive health
- ✓Menopausal support
- ✓Ovarian function maintenance
Dosing Protocol
| Typical Dose | 1-2 capsules/day |
| Frequency | 1-2× daily for 10-30 day cycles |
| Half-Life | ~30 minutes (estimated) |
Dosing Protocols
Mini-Course / General Preventive (1 box)
Full Monthly Course (Perimenopause / Ovarian Support)
Intensive / Female Hormonal Restoration Protocol
Administration
Expected Timeline
Who Is It For?
Perimenopause / Ovarian Aging (Ages 35+)
LowTargets granulosa cell aromatase (CYP19A1) and theca cell StAR gene expression — restoring the ovary's own estradiol and progesterone synthesis capacity rather than providing exogenous hormones.
Female Fertility Preservation Protocol
LowUsed in fertility preparation protocols alongside Thyreogen (A-2) to optimize the thyroid-ovarian hormonal environment. Physician-supervised use in fertility medicine.
Safety & Considerations
Natural glandular extract (Cytomax) from bovine ovarian tissue, <10 kDa. Contains no estrogen, progesterone, or FSH/LH. Meets European/Russian veterinary standards. Physician oversight required for any known hormone-sensitive condition. Generally recognized as safe.
Regulatory & Legal Status
Not currently on the WADA 2026 Prohibited List. Policies may change — verify before competition.
Research Chemical
US Compounding: Not eligible / not available
⚠️ This information is for educational purposes only and may not reflect the most current regulatory updates. Always verify with official FDA, WADA, and jurisdiction-specific sources before use.
Interactions & Contraindications
Consult gynecologist if hormone-sensitive conditions.
Dosing Quick Reference
Frequently Asked Questions
Is Zhenoluten hormonal?▼
What is the best stack for perimenopause?▼
References
- Khavinson VKh “"Peptide bioregulators — a new class of geroprotectors".” Bulletin of Experimental Biology and Medicine (2002). PMID: 12677266
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