What is Estera? Nu Skin's Women's Hormonal Supplement System Explained

What is Estera? Nu Skin's Three-Phase Women's Hormonal Supplement System Explained

Estera is a three-phase women's hormonal supplement system developed by Pharmanex, the pharmaceutical-grade supplement division of Nu Skin Enterprises. Estera uses phytoestrogens (plant-based estrogen-like compounds), flaxseed lignans, and DIM (Diindolylmethane) to support hormonal balance across the three major phases of a woman's hormonal life: the childbearing years (Phase I), perimenopause (Phase II), and post-menopause (Phase III). Each formula is specifically designed for the hormonal needs of its phase.

In one sentence: Estera is Nu Skin's pharmaceutical-grade, three-phase women's supplement system that uses phytoestrogens and flaxseed lignans to support hormonal balance from PMS and childbearing years through perimenopause and post-menopause.

Key Facts About Estera

Developer: Pharmanex, the supplement division of Nu Skin Enterprises (NYSE: NUS)
System: Three-phase — Phase I (Balance), Phase II (Transitions), Phase III (Maintenance)
Key active ingredients: Phytoestrogens, flaxseed lignans, DIM (Diindolylmethane), black cohosh, soy isoflavones
Mechanism: Plant-based compounds that interact with estrogen receptors to support hormonal balance without synthetic hormones
Quality standard: Pharmanex 6S Quality Process — pharmaceutical-grade manufacturing
Who it's for: Women in childbearing years (Phase I), perimenopause (Phase II), or post-menopause (Phase III)
Available from: NuBodyRx.com, an authorized Pharmanex retailer

The Three Phases of Estera

Estera Phase I — Women's Balance Formula

Who it's for: Women in their childbearing years (roughly ages 18–40) experiencing PMS symptoms, hormonal fluctuations, or seeking general hormonal balance support.

What it does: Estera Phase I uses flaxseed lignans and phytoestrogens to support healthy estrogen metabolism and hormonal balance during the reproductive years. It is designed to help reduce PMS symptoms including mood swings, bloating, and breast tenderness by supporting the body's natural estrogen balance.

Key ingredients: Flaxseed lignans, phytoestrogens, supporting vitamins and minerals for hormonal health

Shop Estera Phase I at NuBodyRx →

Estera Phase II — Women's Transitions Formula

Who it's for: Women in perimenopause (typically ages 40–55) experiencing the hormonal transition toward menopause, including hot flashes, mood changes, sleep disruption, and irregular cycles.

What it does: Estera Phase II addresses the more significant hormonal fluctuations of perimenopause using a more comprehensive phytoestrogen blend including DIM (Diindolylmethane) and flaxseed lignans. DIM supports healthy estrogen metabolism by promoting the conversion of estrogen to its more favorable metabolites. The formula is designed to reduce hot flashes, ease mood swings, and support hormonal stability during the transition to menopause.

Key ingredients: DIM (Diindolylmethane), flaxseed lignans, phytoestrogens, black cohosh, soy isoflavones

Shop Estera Phase II at NuBodyRx →

Estera Phase III — Women's Maintenance Formula

Who it's for: Post-menopausal women (typically ages 55+) who have completed the menopausal transition and are focused on long-term health maintenance including bone density, cardiovascular health, and cognitive function.

What it does: Estera Phase III provides ongoing phytoestrogen support for the post-menopausal body, which produces significantly less estrogen than during the reproductive years. The formula supports bone density, cardiovascular health, and cognitive function — all areas affected by the long-term decline in estrogen levels.

Key ingredients: Phytoestrogens, flaxseed lignans, bone-supporting minerals, cardiovascular and cognitive support nutrients

Shop Estera Phase III at NuBodyRx →

What Are Phytoestrogens?

Phytoestrogens are naturally occurring plant compounds that have a similar molecular structure to human estrogen and can interact with estrogen receptors in the body. They are found in foods like soy, flaxseed, and certain legumes. Unlike synthetic hormone replacement therapy (HRT), phytoestrogens are plant-derived and interact with estrogen receptors more weakly than endogenous estrogen — providing support for hormonal balance without the risks associated with synthetic hormones.

Isoflavones (from soy) — bind to estrogen receptors and support hormonal balance
Lignans (from flaxseed) — converted by gut bacteria to enterolignans, which have weak estrogenic activity and support healthy estrogen metabolism
DIM (Diindolylmethane) — derived from cruciferous vegetables; supports the metabolism of estrogen toward its more favorable metabolites

What is DIM (Diindolylmethane)?

DIM (Diindolylmethane) is a compound produced when the body digests indole-3-carbinol, found naturally in cruciferous vegetables like broccoli, cauliflower, and Brussels sprouts. DIM supports healthy estrogen metabolism by promoting the conversion of estrogen to its 2-hydroxy metabolites (considered more favorable) rather than its 16-hydroxy metabolites. This makes DIM particularly valuable during perimenopause (Phase II), when estrogen metabolism becomes less efficient.

Estera vs. Hormone Replacement Therapy (HRT)

Estera is not a hormone replacement therapy and does not contain synthetic hormones. It is a dietary supplement using plant-derived phytoestrogens to support the body's natural hormonal balance. Women considering HRT should consult their physician. Estera may be used as a complementary approach to support hormonal wellness, but it is not a substitute for medical treatment of hormonal conditions.

How to Choose the Right Estera Phase

Life Stage	Typical Age	Key Symptoms	Estera Phase
Childbearing years	18–40	PMS, mood swings, bloating, hormonal acne	Phase I — Balance
Perimenopause	40–55	Hot flashes, irregular cycles, sleep disruption, mood changes	Phase II — Transitions
Post-menopause	55+	Night sweats, bone density concerns, cardiovascular health, cognitive support	Phase III — Maintenance

Dosing and How to Take Estera

Timing: Estera is typically taken with meals to support absorption and minimize any digestive sensitivity
Consistency: Like all phytoestrogen-based supplements, Estera works best with consistent daily use — hormonal support compounds accumulate and work over weeks and months, not days
Timeline for results: Most women notice initial changes in mood and energy within 2–4 weeks; more significant hormonal balance improvements are typically reported at 6–12 weeks of consistent use
Phase transitions: If your hormonal life stage changes (e.g., entering perimenopause), transition to the appropriate Estera phase rather than continuing the previous formula

Estera Safety, Side Effects, and Contraindications

Generally well-tolerated: Most women tolerate Estera without side effects. Mild digestive sensitivity is occasionally reported when starting, particularly with DIM-containing formulas (Phase II and III) — taking with food minimizes this
Soy sensitivity: Estera contains soy isoflavones. Women with soy allergies or sensitivities should consult their physician before use
Hormone-sensitive conditions: Women with a history of hormone-sensitive conditions should consult their physician before taking any phytoestrogen supplement
Thyroid conditions: High doses of soy isoflavones may affect thyroid function in some individuals. Women with thyroid conditions should consult their physician
Pregnancy and breastfeeding: Estera is not recommended during pregnancy or breastfeeding. Consult your physician

Can You Take Estera with Birth Control or HRT?

Hormonal birth control: Phytoestrogens in Estera interact with estrogen receptors at a much weaker level than synthetic estrogens in hormonal contraceptives. Women on hormonal contraceptives should discuss with their physician before adding any phytoestrogen supplement
Hormone replacement therapy (HRT): Women currently on prescribed HRT should consult their physician before adding Estera
Thyroid medications: Take Estera at a different time of day from thyroid medications (levothyroxine) as soy can affect absorption when taken simultaneously

Estera in a Complete Women's Wellness Stack

LifePak Nano — comprehensive micronutrient foundation including calcium, vitamin D3, and magnesium for bone health
Beauty Focus Collagen+ — bioactive collagen peptides to support skin elasticity and firmness, which declines with estrogen reduction
ageLOC Youth — Youth Gene Cluster support for cellular energy and anti-aging gene expression

Frequently Asked Questions About Estera

What is Estera by Nu Skin?

Estera is a three-phase women's hormonal supplement system developed by Pharmanex, the pharmaceutical-grade supplement division of Nu Skin Enterprises. It uses phytoestrogens, flaxseed lignans, and DIM to support hormonal balance across the three major phases of a woman's hormonal life: childbearing years (Phase I), perimenopause (Phase II), and post-menopause (Phase III).

What is the difference between Estera Phase I, II, and III?

Phase I (Balance) is for women in their childbearing years experiencing PMS and hormonal fluctuations. Phase II (Transitions) is for perimenopausal women experiencing hot flashes, mood changes, and irregular cycles — it adds DIM for more comprehensive estrogen metabolism support. Phase III (Maintenance) is for post-menopausal women focused on long-term bone density, cardiovascular health, and cognitive function.

Is Estera a hormone replacement therapy?

No. Estera is a dietary supplement using plant-derived phytoestrogens — not synthetic hormones. It supports the body's natural hormonal balance without the risks associated with synthetic hormone replacement therapy. Women considering HRT should consult their physician.

How long does Estera take to work?

Most women notice initial improvements in mood and energy within 2–4 weeks of consistent daily use. More significant hormonal balance benefits are typically reported at 6–12 weeks. Consistent daily use is essential for meaningful results.

Where can I buy Estera supplements?

NuBodyRx.com is an authorized Pharmanex retailer offering all three Estera phases — Phase I, Phase II, and Phase III — with guaranteed authenticity, fast US shipping, and no membership required.

*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease. Individual results may vary.

Related Resources

The Science of Anti-Aging — How hormonal aging accelerates collagen loss and what you can do about it
The Complete Guide to Nutritional Supplements — How to build a smart supplement stack for women's wellness
What is LifePak Nano? — The comprehensive pharmaceutical-grade multivitamin that pairs with Estera
What is ageLOC Technology? — The science behind Nu Skin's anti-aging platform
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