Why Hormone Changes & Perimenopause Makes Your Joints and Tendons More Vulnerable to Pain & Injury — and How Chinese Medicine Can Help

Dr. Sinéad Corrigan, LAc, DACM is a Licensed Acupuncturist and Doctor of Chinese Medicine and the founder of Inner Body Data™ ~ Self-Empowered Healthcare. She specializes in sports medicine, reproductive health, cosmetic acupuncture, natural beauty, preventative medicine and the intersection of somatic movement practices, consciousness, and total body wellness. She sees patients in Miami, FL, Chapel Hill, NC  seasonally in Kauai, HI.

There's a pattern I see again and again in my clinical practice — located in Chapel Hill, Miami, and Kauaʻi — and it goes something like this:

A woman in her early-to-mid forties comes in. She's active. She's been active her whole life. And somewhere in the last year or two, things started going sideways. A plantar fasciitis that won't go away. A rotator cuff injury from a simple, routine yoga class. Tight hamstrings that turn into hip pain and lower back stiffness in just a few days of over-working. Achilles tendon issues out of nowhere. Wrists that ache when she types. Random pain in the thumbs (yes, it's a thing!)

She's not doing anything differently. But her body is changing. And nobody has told her why.

The short answer is: her hormones changed. But the longer answer, the one that actually gives you something to do, requires understanding both what estrogen has been quietly doing for your connective tissue all these years, and what happens to that tissue in the body when its levels begin to fluctuate and decline.

Chinese Medicine understood this dynamic long before endocrinology research existed. What it calls the nourishment of "Liver Blood" and the "moistening of the sinews" describes, with striking accuracy, the same mechanism Western science is now mapping at the level of collagen fibers and fascial hydration.

In this blog post, I bring both worlds together and discuss practical tips for women of any age to prevent and help reverse these small aches and pains.

What Estrogen Does for Your Connective Tissue

Estrogen is not just a reproductive hormone. It is, among many other things, a structural hormone, one of the primary regulators of collagen synthesis, tissue hydration, and the health of the fascial system throughout the entire body.

Collagen is the most abundant protein in the human body. It is the scaffolding of your skin, the tensile strength of your tendons and ligaments, the cushioning material of your joint cartilage, and the architecture of your fascia. Estrogen directly stimulates collagen production, and it also helps tissues retain water — which is what keeps tendons supple, joints hydrated, and fascia pliable rather than sticky and rigid.

Research published in the Journal of Applied Physiology confirmed that estradiol plays a "pivotal role in maintaining homeostasis of female connective tissue," influencing collagen turnover and tendon structural characteristics at rest (Magnusson et al., 2009). A subsequent review in the Journal of Steroid Biochemistry and Molecular Biology found that estrogen modulates the expression of specific matrix metalloproteinases (the enzymes responsible for collagen remodeling) and that declining estrogen levels are associated with both fibrogenic activity (the formation of stiffer, less functional tissue) and enhanced elastin degradation (Hansen & Kjaer, 2014).

In plain language: when estrogen drops, tendons become stiffer and more brittle, cartilage thins and dries out, and the fascial system throughout the body begins to lose the hydration and elasticity that made movement feel easy. Tissues that were once resilient become more prone to micro-tears. And those micro-tears take longer to heal. (Hint: these are "Liver Blood deficiency" symptoms; more on that in the TCM section!)

This is not a small thing. The Lancet Rheumatology has highlighted that musculoskeletal pain is significantly more common in perimenopausal and postmenopausal women than in premenopausal women of similar age, and that the driver is the hormonal shift itself, not aging in isolation.

The Fascial Web: Why Everything Is Connected

To really understand why perimenopause changes your body's structural resilience, it helps to think not just about individual tendons and joints, but about the system that holds them all together.

That system is fascia.

Fascia is the continuous web of connective tissue that wraps around every muscle, bone, nerve, and organ in the body. It is not passive packaging, it is a living, sensing, hydrated network that communicates tension from one part of the body to another, coordinates movement, and responds to both physical and emotional states.

Dr. Ida Rolf, the biochemist who developed Rolfing Structural Integration in the mid-twentieth century, recognized before most of the scientific community that fascia was the organizing tissue of the entire body. Restrictions or dehydration anywhere in that web would show up as pain, stiffness, or compensation patterns somewhere else. She famously said: "Where you think it is, it ain't." The hip that hurts is often responding to restriction in the foot. The neck that seizes is often downstream of a braced, guarded diaphragm.

Thomas Myers built on this insight with his landmark work Anatomy Trains, mapping the continuous lines of fascial tension that run through the body — the Superficial Back Line, the Spiral Line, the Functional Lines — and showing how a restriction in one "station" of the line creates a compensatory pull at the next. A tight plantar fascia loads the calves, which loads the hamstrings, which loads the sacrotuberous ligament, which loads the thoracolumbar fascia, which loads the suboccipital muscles at the base of the skull (aka - that pain in the back of your neck could be coming from the tension in the bottom of your foot!). Everything is upstream and downstream from everything else.

When estrogen declines and fascia loses hydration and elasticity, it is not just a single tendon that becomes vulnerable. The whole tensional web shifts. This is why perimenopausal women often develop what feels like a cascade of unrelated issues: the plantar fasciitis and the hip pain and the wrist aches are not coincidences; they are a whole-body fascial system responding to a change in the quality of its most abundant material.

What Chinese Medicine Has Always Known: Liver Blood and "the Sinews"

Long before modern anatomy had a name for fascia, Chinese Medicine had a concept that mapped its function with remarkable precision.

The Liver* (*in Chinese Medicine, "Liver" refers to an entire system of functions broader in scope than just the liver organ itself) is said to store Blood and to govern the sinews. "Sinews" in this context refers to all the soft, flexible connective tissues of the body: tendons, ligaments, the muscular attachments, and what we would now recognize as the fascial web. When Liver Blood is abundant, the sinews are nourished, supple, and strong. When Liver Blood is depleted, the sinews dry out. They stiffen. They cramp. They become prone to injury and slow to heal.

The condition of Liver Blood Deficiency is one of the most common patterns I see in women in their late 30s and throughout perimenopause. It shows up as a constellation that goes well beyond the musculoskeletal:

- Tendon tightness, cramping, spasms, or persistent injuries

- Dry, dull, or prematurely aging skin (Blood nourishes the skin surface)

- Brittle nails or nail ridges (the Liver opens to the nails in Chinese Medicine)

- Eye dryness, floaters, or visual fatigue

- Light or scanty menstrual periods, or periods that have become irregular

- Insomnia, particularly waking between 1 and 3am

- Emotional hypersensitivity, anxiety, or an undercurrent of low-grade frustration

- Muscle stiffness that worsens with rest and improves (only slightly) with movement

If several of these resonate with you, Liver Blood Deficiency should be a part of the conversation with your TCM practitioner.

The connection to perimenopause: In Chinese Medicine, the Liver and Kidney systems share a deep relationship; they are said to have a "common source", and the gradual decline of "Kidney Jing and Kidney Yin" that characterizes the perimenopausal transition, also directly diminishes the Liver's ability to "store and generate Blood". As blood production slows and hormonal resources shift, the sinews — the tendons, ligaments, and fascial tissues — are among the first to feel it. (Again note, "Blood" in TCM is not just the tissue called blood, but also includes the hormone content, nutrient levels, and quality of circulation of those cells)

Chinese Medicine Herbal Protocols for Nourishing Liver Blood and Supporting the Tendons

This is where Chinese Medicine becomes powerful on a practical level. There are well-established herbal strategies — in the form of classical formulas, single herbs, and dietary approaches — that specifically address the drying of the sinews and the depletion of Liver Blood.

Note: Always work with a qualified practitioner before beginning any herbal protocol, particularly if you are taking medications or managing complex health conditions.

HERBAL FORMUALS:

Shao Yao Gan Cao Tang (Peony and Licorice Decoction)

This elegant two-herb formula from Zhang Zhongjing's Shang Han Lun — written nearly 2,000 years ago — is one of the most specifically indicated formulas for tendon and muscle spasm arising from Blood deficiency.

Bai Shao (White Peony Root) nourishes Liver Blood, relaxes the sinews, and softens what Chinese Medicine calls "Liver constraint." When Liver Blood runs low, the Liver becomes tight and constricted — and that constraint shows up physically as cramping, spasm, and pain in the tendons and muscles.

Gan Cao (Licorice Root) harmonizes the formula and, paired with Bai Shao, has a direct antispasmodic effect on both smooth and skeletal muscle.

Modern research confirms what classical medicine prescribed: paeoniflorin from Bai Shao and glycyrrhizin from Gan Cao work synergistically to modulate calcium channels in smooth and skeletal muscle, reduce inflammatory signaling, and alleviate pain. Japanese clinical studies on Shakuyaku-kanzo-to (the Japanese name for this formula) have validated its effectiveness for muscle cramps, including nocturnal cramping, across multiple randomized trials.

I personally take this formula if I am going through a period of intense physical training and experiencing muscle cramps, and/or as prevention of menstrual cramps. I also find it very helpful clinically if a woman is simply just very busy, running around, and over scheduled, which can deplete the Blood. Careful: Gan Cao (licorice root) is a diuretic and should not be taken regularly long term.

Bu Gan Tang (Tonifying the Liver Decoction)

For deeper Liver Blood and "Liver Yin" deficiency with prominent sinew and connective tissue symptoms, chronic joint stiffness, difficulty walking, as well as visual changes, dizziness, dry eyes, muscle cramps, or perimenopausal presentations — Bu Gan Tang adds important "blood-building" (hormone building) herbs including Dang Gui, Shu Di Huang, as well as the "blood moving" herb Chuan Xiong to a Bai Shao base. This formula is particularly suited to women in the perimenopausal years when the depletion runs deeper.

INDIVIDUAL HERBS:

Yu Zhu — Solomon's Seal (Polygonati odorati Rhizoma)

Yu Zhu, known in Western herbalism as Solomon's Seal, is one of the most remarkable herbs in the TCM materia medica for connective tissue health. Classified as a Yin tonic, Yu Zhu has been documented in the Shennong Bencao Jing (China's oldest herbal classic) for its capacity to moisten, restore, and strengthen tendons, ligaments, and joints.

What makes Solomon's Seal particularly fascinating is an adaptive quality reported consistently by herbalists and increasingly noted in preliminary research: it appears to help regulate tissue tone bidirectionally — tightening tissues that are lax and relaxing tissues that are overly tense. For perimenopausal women whose connective tissue is losing elasticity, this makes it a remarkably elegant ally.

Yu Zhu is also deeply moistening and Yin-nourishing, directly addressing the drying of tissues that accompanies estrogen decline.

I personally take this herb on a semi-regular basis as prevention

Other Key Herbs for the Sinews and Joints:

- Dang Gui (Angelica sinensis): The premier blood-building herb in the Chinese pharmacopoeia. Nourishes Liver Blood, circulates Blood through the channels, and has documented anti-inflammatory and estrogenic-modulating properties.

- Gou Qi Zi (Goji Berry / Lycium fruit): Nourishes Liver and Kidney, brightens the eyes, and directly nourishes the sinews. Backed by growing modern research for its antioxidant and anti-inflammatory properties.

- Du Zhong (Eucommia bark): One of the primary herbs for strengthening tendons, ligaments, and bones. Particularly indicated for lower back and knee weakness in the context of "Kidney deficiency", a common diagnosis in perimenopause.

- Sang Ji Sheng (Mulberry Mistletoe): Nourishes Liver and Kidney, strengthens the sinews and bones, and is particularly useful for joint pain, stiffness, and weakness in the lower limbs.

- Huai Niu Xi (Achyranthes root): Directs the action of formulas downward to the knees, ankles, and lumbar spine; nourishes Liver and Kidney Blood; invigorates circulation in the joints.

TCM Dietary Therapy: Foods That Nourish Liver Blood

Herbal medicine works best when it is supported by diet that speaks the same language. In Chinese Medicine, these foods have a direct affinity for the Liver and for Blood production:

Dark leafy greens — spinach, kale, chard, nettles. In TCM, green is the color of the Liver.

Beets — one of the most Blood-building foods in both TCM and Ayurvedic traditions. Eat them roasted or as juice.

Black sesame seeds — nourish Liver and Kidney, excellent for dryness, brittle nails, and hair.

Bone broth — rich in collagen precursors, glycine, and gelatin; directly supports connective tissue repair.

Organic liver and grass-fed beef — dense in heme iron and B12, the raw material of Blood.

Da Zao (Jujube dates) — used in many classical formulas precisely because they tonify (strengthen) "Blood" and calm the nervous system.

Goji berries (Gou Qi Zi fresh or dried) — add to smoothies, teas, sautéed dishes, or porridge.

Mulberries — "Sang Shen", in Chinese, is the fruit of the mulberry tree, and is one of the most pleasant Liver Blood tonics available as a whole food.

Dark cherries — anti-inflammatory, joint-supportive, and deeply Yin-nourishing.

Egg yolks — rich in choline, fatty acids, and the building blocks of connective tissue.

Sardines and anchovies — omega-3 rich, anti-inflammatory, and supportive of fascial hydration.

Black beans — tonify Kidney and Liver, rich in iron and antioxidants.

A practical daily habit: a warm breakfast of congee (rice porridge) with black sesame, goji berries, a jujube date or two, and a soft-boiled egg is a classical Blood-building meal that you can implement for breakfast, starting tomorrow!

Western Nutritional Supplements Worth Adding

Herbs and food form the foundation, but there are several evidence-based nutritional supplements worth layering in, particularly for women who are dealing with active tendon or joint issues and want to accelerate tissue repair alongside a broader protocol.

These work well alongside the Chinese herbal approach above; they are addressing the raw materials and inflammatory environment of the tissue rather than the systemic pattern.

Hydrolyzed Collagen Peptides (10–15g daily)

This is the most directly targeted supplement for tendon and connective tissue repair. Research from the Journal of Applied Physiology and multiple clinical trials has shown that hydrolyzed collagen peptides — consumed 30–60 minutes before movement or exercise — significantly increase collagen synthesis in tendons, improve joint pain scores, and increase tendon stiffness (structural integrity) compared to placebo. One 2022 RCT found that collagen peptides combined with resistance training increased tendon cross-sectional area and reduced pain more than exercise alone. Look for a hydrolyzed (not native) form, unflavored and third-party tested. Add Vitamin C (see below) at the same time — it is a required cofactor for collagen synthesis.

Vitamin C (500–1,000mg, buffered or liposomal)

Collagen cannot be synthesized without Vitamin C. It is the enzymatic cofactor for the hydroxylation of proline and lysine, the two amino acids that form the triple-helix structure of collagen. Take it in addition to your collagen peptides for maximum uptake. Vitamin C also quenches the oxidative load that accumulates in inflamed connective tissue.

Boswellia Serrata (100–250mg AKBA extract, or 600–1,200mg standard extract daily)

One of the most well-researched natural anti-inflammatories for joint and connective tissue pain. Boswellic acids — particularly AKBA (3-Acetyl-11-keto-beta-boswellic acid) — specifically inhibit 5-lipoxygenase (5-LOX), the enzyme responsible for producing leukotrienes, the inflammatory signaling molecules most implicated in joint degeneration and tendinopathy. A 2025 double-blind RCT found significant improvements in knee pain and stiffness within five days of use. A recent meta-analysis of seven clinical trials (545 patients) confirmed Boswellia's positive effect on pain, stiffness, and joint function. Look for an extract standardized to at least 30% AKBA.

Curcumin Phytosome or BCM-95 Curcumin (500–1,000mg daily)

Curcumin from turmeric is well-studied for joint inflammation, but its bioavailability in standard powder form is extremely poor. Look for a phospholipid-bound phytosome form (Meriva is a well-studied brand) or BCM-95, which has significantly better absorption. Curcumin and Boswellia work synergistically — several trials have combined them and found superior outcomes to either alone.

MSM — Methylsulfonylmethane (1,000–3,000mg daily)

MSM is an organic sulfur compound that serves as a direct building block for connective tissue cross-linking. Sulfur is required for the formation of disulfide bonds that give tendons, ligaments, and cartilage their structural integrity. MSM has also demonstrated anti-inflammatory and antioxidant properties in multiple trials for knee osteoarthritis, and pairs well with Boswellia. It is among the gentlest and most tolerable supplements in this category.

Oral Hyaluronic Acid (80–200mg daily)

Hyaluronic acid is the primary molecule responsible for joint lubrication and the viscosity of synovial fluid. As estrogen declines, HA production drops — contributing to the "crunching," grinding, and stiffness that many women notice in their joints during perimenopause. Oral HA has shown meaningful benefits for knee joint comfort and mobility in clinical trials; a 2024 review found that oral HA combined with Boswellia produced superior outcomes to either alone for knee osteoarthritis pain.

Silica / Orthosilicic Acid (5–10mg orthosilicic acid, or via horsetail extract)

Silica is a less well-known but critical cofactor for collagen matrix synthesis and mineralization of connective tissue. Orthosilicic acid (the bioavailable form) stimulates fibroblasts to produce Type I collagen and has shown promise for improving skin, hair, nail, and connective tissue quality. Often overlooked, but worth including for women with systemic connective tissue depletion.

A note on sequencing and overlap with the Hormone Health Protocol:

If you are already taking Omega-3s, Vitamin D3+K2, and Magnesium Glycinate (from my top supplements for women's hormone health protocol), those three are already pulling double duty for your joint health. Omega-3s reduce the inflammatory load in connective tissue; Magnesium directly supports muscle and tendon relaxation; and D3 is essential for calcium homeostasis in the joint matrix. The supplements above are additive to that foundation, not replacements for it.

Get the full Joint, Tendon, & Connective Tissue Support Supplement Stack here at a discount (3rd party tested, clinical-grade supplements)

The Sedentary Factor: Why Too Much Stillness Is Also a Problem

There is something important I want to name directly, because it is rarely said clearly enough:

Chronic lack of movement is its own form of connective tissue damage.

Fascia does not regenerate and remodel through rest alone. It requires load, movement, and fluid circulation to stay healthy. When we are sedentary — long hours at a desk, minimal walking, no deliberate mobility practice — fascia loses its water content, becomes sticky and matted (what researchers call "densification"), and its cross-links multiply in disorganized patterns. The tissue becomes less functional, less elastic, and less communicative.

This problem is compounded significantly in perimenopause, because declining estrogen is already pulling the tissue toward dehydration and stiffness. A sedentary lifestyle and fluctuating hormones together create a perfect storm for injury — and for the kind of chronic, low-grade musculoskeletal pain that many women simply accept as an inevitable part of getting older.

It is not inevitable. But the solution is not simply to "exercise more." In fact, for many perimenopausal women, the type of exercise they have been doing — high-intensity cardio, long-distance running, frequent HIIT, or heavy lifting without adequate recovery — may be part of the problem. Excessive "Yang-type" exertion without adequate Yin recovery depletes Liver Blood and strains connective tissue that is already under hormonal stress.

What your body actually needs at this transition is a balanced movement ecology:

Mobility work — deliberate range-of-motion practices that keep the fascial system pliable and hydrated. Yin yoga (particularly long-held, low-load stretches targeting the hips, spine, and lower extremities) is one of the most effective tools available. Research on the myofascial system shows that sustained, gentle load — not forceful stretching — is what changes fascial tissue quality over time. (Try this Free Yin Yoga routine on my YouTube channel)

Stability training — proprioception-based work that teaches the joints and connective tissue to hold themselves in space, reducing injury risk. This is particularly critical in perimenopause, as estrogen decline also affects the sensory receptors in ligaments that tell the brain where the joint is positioned.

Strength training — not to exhaustion, but adequate resistance work (2–3x per week) to preserve muscle mass, support joint architecture, and maintain bone density, all of which decline without hormonal and mechanical stimulation.

Recovery and restoration — this is the category most active women undervalue and the one that Chinese Medicine would name as most critical. Qigong, gentle breathwork, Yin yoga, restorative yoga, and adequate sleep are not optional extras. They are the "Yin counterpart" to the "Yang" of traditional exercise and effort-based movement. Without them, effort depletes rather than builds.

My online On Demand Membership platform offers daily gentle movement practices — qigong, Yin yoga, Kundalini yoga, and breathwork — all perfect for this transition phase of life. These are not passive stretches. They are active tools for nervous system regulation, fascial hydration, hormone balance, and injury prevention. They work with the perimenopausal body, not against it.

Acupuncture for Perimenopause and Pain: What the Research Shows

Acupuncture has a well-documented effect on musculoskeletal pain, and its mechanisms are increasingly well understood: modulation of nociceptive signaling, reduction of inflammatory cytokines, improvement of local blood circulation, and nervous system regulation.

A 2025 systematic evidence map published in PubMed Central identified 111 systematic reviews examining acupuncture's effects on musculoskeletal pain — a volume of evidence that places acupuncture among the most thoroughly studied complementary therapies for this indication (PMC, 2025). A separate systematic review published in PMC in 2024 found that manual therapies — including acupuncture — demonstrated significant benefit for musculoskeletal pain in menopausal women.

For perimenopausal women, acupuncture addresses multiple layers simultaneously: it regulates the autonomic nervous system (reducing the cortisol burden on connective tissue), nourishes specific organ systems including the Liver and Kidney, moves Qi and Blood through stagnant areas, and reduces the inflammatory milieu that estrogen was previously modulating.

A literature review of Baduanjin qigong for perimenopausal symptoms, published in PMC in 2024, found that regular qigong practice significantly improved bodily pain, vitality, and mental health scores in perimenopausal women — supporting what practitioners of Chinese Medicine have observed clinically for centuries.

Working Together: What 1-on-1 Support Looks Like

Whether you're in Chapel Hill, Miami, or the north shore of Kauaʻi, I would love to support you via telemedicine and/or acupuncture. In our sessions together, we work to treat the whole woman, not just the symptom list.

In your initial consultation, we look at the full picture — your hormone history, movement habits, sleep and stress patterns, the quality of your digestion, and your emotional landscape. We identify the underlying pattern (Liver Blood Deficiency is one of many possibilities; others like Kidney Yin Deficiency, Liver Qi Stagnation, or "Bi syndrome" may also be present, often in combination). From there, we build a treatment plan that may include acupuncture, herbal medicine, dietary shifts, and personalized movement prescriptions that supports your body's changing needs.

If you are navigating perimenopausal joint or tendon issues, PMS that has worsened in recent years, or simply feeling like your body is changing in ways that you don't understand, I'd love to be a resource for you.

→ Book an initial consultation

Or, if you're looking for ongoing, daily support through movement:

→ Join the Inner Body Data membership platform: Daily gentle practices — qigong, Yin yoga, Kundalini yoga, and breathwork — designed to prevent injury, regulate your nervous system, and support hormone balance without overtaxing your body.

To read more about the ways you can empower yourself in perimenopause and beyond, check out my previous blog post: The Second Spring: A Chinese Medicine Lens on Hormone Health, Menopause, and the Art of Aging Well.

Dr. Sinéad Corrigan is a Doctor of Acupuncture and Chinese Medicine, Licensed Acupuncturist, Board Certified Herbalist, and somatic movement instructor based in Chapel Hill, NC, Kauaʻi, HI, and Miami, FL. She offers in-person appointments as well as telemedicine, and travels to teach yoga, qigong, and dance worldwide. Catch her classes online via YouTube, or join the Inner Body Data™ On Demand Qigong, Yoga, & Breathwork platform ~ guided embodiment practices rooted in Chinese medicine at home. 

Research Citations

- Magnusson, S.P., et al. "Effect of estrogen on tendon collagen synthesis, tendon structural characteristics, and biomechanical properties in postmenopausal women." Journal of Applied Physiology, 106(4), 1385–1393 (2009). [PubMed](https://pubmed.ncbi.nlm.nih.gov/18927264/)

- Hansen, M. & Kjaer, M. "The effect of estrogen on tendon and ligament metabolism and function." Journal of Steroid Biochemistry and Molecular Biology, 172, 95–105 (2017). [ScienceDirect](https://www.sciencedirect.com/science/article/pii/S0960076017301590)

- Myers, T.W. Anatomy Trains: Myofascial Meridians for Manual and Movement Therapists. 4th ed. Elsevier, 2020. [Anatomy Trains](https://www.anatomytrains.com/)

- Rolf, I.P. Rolfing: Reestablishing the Natural Alignment and Structural Integration of the Human Body for Vitality and Well-Being. Healing Arts Press, 1977. [Dr. Ida Rolf Institute](https://rolf.org/)

- Jacobson, T., et al. "Influence of Rolfing Structural Integration on Active Range of Motion: A Retrospective Cohort Study." PMC, 2022. [PMC Article](https://pmc.ncbi.nlm.nih.gov/articles/PMC9570915/)

- "Effects of acupuncture on musculoskeletal pain: an evidence map." PMC, 2025. [PMC Article](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC12375662/)

- Liu, J., et al. "A literature review of Chinese traditional Baduanjin qigong for perimenopausal and postmenopausal symptoms." PMC, 2024. [PMC Article](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11537610/)

- "The Efficacy of Manual Therapy on Musculoskeletal Pain in Menopause: A Systematic Review." PMC, 2024. [PMC Article](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11431219/)

- Kan Herb Company. "Shao Yao Gan Cao: Dui Yao for Muscle Pain and Spasms." [KanHerb](https://kanherb.com/resources/shao-yao-gan-cao-dui-yao-for-pain-and-spasms/)

- Zhang, Z. (Eastern Han Dynasty). Shang Han Lun (Treatise on Cold Damage Diseases). Classical source for Shao Yao Gan Cao Tang.

- "Analgesic efficacy of collagen peptide in knee osteoarthritis: a meta-analysis of randomized controlled trials." PMC, 2023. [PMC Article](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10505327/)

- "A standardized Boswellia serrata extract shows improvements in knee osteoarthritis within five days — a double-blind, randomized, three-arm, parallel-group, multi-center, placebo-controlled trial." PMC, 2024. [PMC Article](https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11291344/)

- "Potential benefits of oral hyaluronic acid and Boswellia for joint health." Joints Journal, 2024. [Full PDF](https://www.jointsjournal.org/wp-content/uploads/sites/9/2024/07/e1058.pdf)

- "Methylsulfonylmethane and boswellic acids versus glucosamine sulfate in the treatment of knee arthritis: Randomized trial." PMC, 2018. [PMC Article](https://pmc.ncbi.nlm.nih.gov/articles/PMC5806735/)

Dr. Sinéad Corrigan, DACM, L.Ac. is a Doctor of Acupuncture and Chinese Medicine with clinical practices serving women in Chapel Hill, NC, South Beach (Miami), FL, and Kauaʻi, HI. She specializes in women's hormone health, natural beauty and longevity medicine, and pain management through the lens of Chinese Medicine, qigong, and integrative lifestyle coaching.

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