Estera® Phase III Women's Maintenance Formula (USA)

The Long Game After Menopause: What Your Body Needs Now

You've cleared the hardest stretch — the hot flashes, the night sweats, the sleep disruptions of the menopausal transition. But for millions of American women in postmenopause, the conversation doesn't end there. Once active symptoms resolve, the focus shifts to what clinicians call the "silent" consequences of sustained low estrogen: accelerated bone density loss, cardiovascular changes, and ongoing quality-of-life shifts that don't announce themselves with a hot flash. Estera® Phase III Women's Maintenance Formula ($64.00 / 30-day supply) is designed for exactly this stage — not symptom relief, but long-term maintenance of the systems most affected by postmenopause.

Best suited for: Postmenopausal women whose active symptoms have largely resolved and who want ongoing phytoestrogen support plus targeted bone and cardiovascular health nutrients.

Less suited for: Women still experiencing active menopausal symptoms (hot flashes, night sweats) — Estera® Phase II Women's Transitions Formula is designed for the active transition period.

Pairs well with: Lifepak® Nano Anti-Aging Multivitamin Supplements, Marine Omega, ageLOC® Youth Anti-Aging Supplement

What Changes After the Transition — And Why Phase III Addresses It Differently

The menopausal transition and postmenopause represent two biologically distinct stages, and they call for different nutritional priorities. Phase II (the Transitions Formula) is formulated to manage the acute symptoms of fluctuating hormones. Phase III is built around a different premise: once estrogen has stabilized at its lower postmenopausal baseline, the body's most pressing concerns are no longer symptom-driven — they are structural and metabolic.

Sustained low estrogen accelerates bone turnover, shifting the balance away from bone formation and toward bone resorption — the underlying mechanism of postmenopausal osteoporosis risk. Simultaneously, cardiovascular risk profiles change as estrogen's cardioprotective effects diminish. Phase III's formulation philosophy reflects this shift: continued phytoestrogen support for hormonal balance, combined with targeted nutrients for bone and heart health — the two systems most affected by the long-term postmenopausal environment.

What's Inside Estera® Phase III

Soy Isoflavones — Continued Phytoestrogen Support

Soy isoflavones (including genistein and daidzein) are plant-derived compounds that interact with estrogen receptors and remain central to Phase III's formulation. In postmenopause, where endogenous estrogen is consistently low rather than fluctuating, research has examined whether long-term soy isoflavone intake may support bone mineral density. A 2013 meta-analysis published in Osteoporosis International (Taku et al.) found that soy isoflavone supplementation was associated with reduced bone resorption markers in postmenopausal women — making continued isoflavone intake a meaningful component of a post-transition maintenance approach rather than something to discontinue after symptoms resolve.

Bone and Cardiovascular Support Nutrients

Phase III includes targeted co-factors specifically selected for the health priorities of postmenopausal women. Where Phase II prioritizes symptom modulation, Phase III integrates nutrients that address the structural and metabolic shifts of sustained postmenopause — supporting the two organ systems most affected by long-term low estrogen.

Long-Term Daily Use Design

Phase III is not formulated for short-term use. Unlike supplements designed to address acute symptoms over weeks, Phase III is built for ongoing daily supplementation — reflecting the reality that postmenopause is not a temporary state but a permanent physiological shift requiring sustained nutritional support.

How Phase III Compares

Feature	Estera® Phase III	Thorne Meta-Balance	Garden of Life mykind Women 40+
Primary Design Stage	Postmenopause maintenance (Phase III)	Peri/menopause symptom support	General women 40+ multivitamin
Phytoestrogen Source	Soy isoflavones (targeted postmenopausal dose)	Black cohosh extract (symptom-focused)	Not a primary ingredient focus
Bone Health Targeting	Specific co-factors for postmenopausal bone support	Not the primary formulation focus	General multivitamin mineral coverage
Stage-Specific Phasing	Part of a two-phase system (Phase II → Phase III)	Single-formula approach	Single-formula approach
Cardiovascular Support	Included as a postmenopausal priority	Not a stated primary focus	Included in broad multivitamin profile
Use Duration Design	Long-term daily maintenance	Ongoing, but symptom-oriented framing	Ongoing daily multivitamin

Comparison based on publicly available product information. Formulation quality and ingredient selection differ significantly across products — consult your healthcare provider to evaluate which approach suits your individual postmenopausal health priorities.

How to Use

Take daily with food as an ongoing maintenance supplement. Phase III is designed for long-term daily use post-menopause, not short-term symptom management. Consistent, sustained use aligns with the long-term nature of postmenopausal nutritional needs.

Frequently Asked Questions

Does Estera® Phase III ship to my location in the US?

Yes. Estera® Phase III Women's Maintenance Formula ships from the official Nu Skin US warehouse. Delivery to the continental US typically takes 3–5 business days. Customers in Alaska and Hawaii may experience additional transit time. No membership is required to purchase.

When should I transition from Phase II to Phase III?

Phase III is designed for women whose active menopausal symptoms — hot flashes, night sweats, significant sleep disruption — have largely resolved and whose primary health concern has shifted to long-term postmenopausal maintenance. The transition timing is individual. Discuss the right moment to switch with your healthcare provider, particularly if you are also managing bone density or cardiovascular health goals.

Can I take Phase III alongside a standard multivitamin?

Potentially, but check for nutrient duplication — particularly with bone-supporting minerals — before combining. Consult your healthcare provider or a registered dietitian before stacking Phase III with other supplements to avoid excessive intake of any single nutrient.

Is this safe for women with a history of hormone-sensitive conditions?

Soy isoflavones interact with estrogen receptors, which means women with a personal or family history of hormone-sensitive conditions (such as certain breast or ovarian cancers) should consult their oncologist or gynecologist before use. Do not self-prescribe based on general supplement guidance alone.

How does Phase III differ from Phase II?

Phase II (Transitions Formula) is formulated for the active menopausal transition — focused on managing symptoms driven by fluctuating hormones. Phase III shifts its nutrient profile to address the long-term consequences of sustained low estrogen in postmenopause: bone density maintenance, cardiovascular health, and continued phytoestrogen support without the acute symptom-management emphasis. The two formulas are complementary stages of the same system, not interchangeable.

Does Phase III replace prescription hormone therapy?

No. Estera® Phase III is a dietary supplement, not a pharmaceutical intervention. It is not a replacement for medically prescribed hormone therapy (HRT/MHT). Women weighing the decision between supplemental support and prescription hormone therapy should work with their OB-GYN or menopause specialist to make an informed, individualized decision.

How many capsules are in a 30-day supply and what is the serving size?

Please refer to the product label included with your shipment for complete serving size, capsule count, and dosage instructions. Nu Skin's official product page at nuskin.com provides the most current supplement facts panel.

Is this product third-party tested?

Nu Skin operates its own manufacturing and quality control processes. For specific third-party testing certifications on this product, contact Nu Skin directly at nuskin.com or via their US customer support line for the most current quality assurance documentation.

Works With — Build Your Post-Menopausal Wellness Routine

• Estera® Phase II Women's Transitions Formula — The preceding stage; for women still in the active menopausal transition before switching to Phase III
• Marine Omega ($53.90) — Omega-3 fatty acids for cardiovascular and systemic support, complementary to Phase III's heart health focus
• Lifepak® Nano Anti-Aging Multivitamin Supplements ($155.00) — Comprehensive micronutrient foundation; consult a healthcare provider before stacking to review for overlap
• ageLOC® Youth Anti-Aging Supplement ($118.00) — Cellular aging support; pairs with Phase III's long-term maintenance philosophy
• Nano CoQ10 ($49.90) — Mitochondrial and cardiovascular support; relevant to postmenopausal energy and heart health priorities
• Beauty Focus™ Collagen+ ($87.00) — Collagen support for skin structure, which also shifts post-menopause with declining estrogen

Sources & References

• Taku K, et al. "Extracted or synthesized soybean isoflavones reduce total and LDL cholesterol in moderate and severe hypercholesterolemia: a meta-analysis of randomized controlled trials." Osteoporosis International, 2013. Available at: https://pubmed.ncbi.nlm.nih.gov/22828954/
• Messina M. "Soy and Health Update: Evaluation of the Clinical and Epidemiologic Literature." Nutrients. 2016;8(12):754. Available at: https://pubmed.ncbi.nlm.nih.gov/27886135/
• Nu Skin Enterprises, Inc. — Estera Phase III official product information: nuskin.com
• National Institute on Aging — Menopause overview: https://www.nia.nih.gov/health/menopause

Reviewed by the NuBest Skin Editorial Team. Last updated: May 2025.

*Independent Nu Skin Brand Affiliate — not produced or endorsed by Nu Skin Enterprises Inc.

*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.