Why Women Over 40 Get More Injuries (And What to Do About It)

If you're a woman in your 40s or 50s and you've been noticing more joint aches, injuries that linger longer than they used to, or nagging tendon pain that won't fully resolve — it might not be age alone. It might be your hormones.

This is one of the most underrecognized connections in women's sports medicine, and it affects active women across the board — whether you're a competitive athlete, a recreational runner, or someone who just wants to keep moving without constant pain.

Prefer to watch? The full video is below — or keep reading for the expanded breakdown

The Estrogen-Collagen Connection

As estrogen levels decline during perimenopause and menopause, most conversations focus on the obvious symptoms: hot flashes, sleep disruption, mood changes. But one of the most consequential — and most overlooked — effects of declining estrogen is what it does to your connective tissue.

Connective tissue includes tendons, ligaments, cartilage, skin, and bone. These structures are held together by two key proteins: collagen, which provides tensile strength, and elastin, which provides the flexibility that allows tissue to stretch and return to its original shape. Estrogen plays a direct and critical role in maintaining the health of both.

Here's the mechanism: estrogen receptors are present on fibroblasts — the cells responsible for producing collagen. When estrogen is present and binding to those receptors, fibroblasts perform their collagen-synthesizing function effectively. When estrogen declines, fibroblast activity drops. Collagen production slows. The existing collagen matrix becomes less organized and less elastic. And tissues that were once resilient become progressively more prone to micro-tears under the same loads they previously handled without issue.

The practical result: sprains, tendonitis, and more serious connective tissue injuries become more likely — not because the activity has changed, but because the tissue's structural integrity has. Active women are particularly vulnerable because they're consistently loading tissue that is quietly losing its capacity to absorb that load.

Why This Gets Missed

Part of the reason this connection doesn't get the attention it deserves is that the symptoms develop gradually. Joint aches get attributed to aging. A tendon injury that takes twice as long to heal is blamed on training load. A recurring sprain is chalked up to bad luck or old scar tissue.

And while all of those factors can contribute, the underlying hormonal shift often isn't part of the conversation — either because the athlete doesn't connect it, or because her care team isn't asking about it.

Understanding the estrogen-collagen relationship reframes a lot of those experiences. The question isn't just "what's wrong with the tissue?" It's also "what's happened to the hormonal environment that was maintaining it?"

What You Can Do: Three Evidence-Based Strategies

The hormonal shift of perimenopause and menopause is real and unavoidable. But the downstream effects on connective tissue are not fixed. These three strategies meaningfully support tissue integrity through the transition and beyond.

1. Prioritize Strength Training

Resistance training is the single most impactful intervention for protecting connective tissue during the hormonal transition — for several reasons that compound each other.

Mechanical loading directly stimulates collagen synthesis in tendons and ligaments. When you apply controlled stress to connective tissue through resistance exercise, you signal those fibroblasts — the same cells whose activity declines with estrogen — to produce more collagen. You're essentially providing a mechanical stimulus that partially compensates for the reduced hormonal one.

Strength training also increases the thickness and tensile strength of tendons and ligaments over time, building the structural resilience that helps prevent the micro-tears that lead to injury. And it counteracts the muscle loss (sarcopenia) that accelerates in the menopausal transition — because stronger surrounding musculature reduces the load transferred directly to tendons and joints, protecting the connective tissue from loads it increasingly struggles to absorb alone.

For women in perimenopause and beyond, strength training isn't optional. It's the most direct tool available for maintaining the structural capacity that estrogen was previously helping to sustain.

2. Support Collagen Synthesis Nutritionally

Strength training provides the stimulus for collagen production. Nutrition provides the raw materials. Both are necessary — one without the other limits the outcome.

Vitamin C is a required cofactor for the enzymes that stabilize newly formed collagen molecules and allow them to crosslink into strong, organized fibers. Without adequate vitamin C, even a robust stimulus for collagen production can't be executed correctly at the biochemical level. Vitamin C-rich foods — citrus, bell peppers, kiwi, strawberries, broccoli — also contain polyphenols that protect connective tissue from oxidative damage. Supplementing with 500mg once or twice daily is a reasonable addition for women focused specifically on connective tissue support, particularly during active recovery from injury.

Zinc supports protein synthesis broadly and plays a specific regulatory role in the enzymes involved in tissue remodeling and repair. Dietary sources include oysters, beef, pumpkin seeds, and legumes.

High-quality protein provides the amino acids that are the literal building blocks of collagen — particularly glycine, proline, and hydroxyproline. Adequate total protein intake (in the range of 1.6 to 2.0 grams per kilogram of bodyweight for active women) ensures the substrate is available when the repair signal comes.

Hydrolyzed collagen peptides — specifically types I and III — are worth adding as a targeted supplement for connective tissue support. When taken in conjunction with vitamin C and timed around exercise (roughly 30 to 60 minutes before training), hydrolyzed collagen provides both the structural building blocks and signaling peptides that stimulate fibroblast activity. The pre-exercise timing takes advantage of the mechanical loading signal to direct those building blocks toward active tissue remodeling. Consistent daily use over weeks to months is what produces meaningful structural benefit — this is not a supplement that works acutely.

3. Add Phytoestrogen-Rich Foods

Phytoestrogens are plant-derived compounds that interact with estrogen receptors in the body. They're found in highest concentrations in flaxseeds, soy products (edamame, tempeh, tofu), and lentils. By binding to estrogen receptors — including the receptors on fibroblasts described above — phytoestrogens can provide a degree of estrogenic support to connective tissue in an environment where endogenous estrogen has declined.

There's an important clarification worth making here: phytoestrogens are not the same as synthetic estrogens, and the safety concerns sometimes raised about soy and flax are not supported by the evidence. Research consistently shows that diets high in phytoestrogen-rich plant foods are associated with lower rates of hormone-related cancers, including breast cancer — not higher. The biological activity of phytoestrogens is significantly weaker and more modulated than synthetic or pharmaceutical estrogens, and their estrogenic effects are tissue-selective in ways that appear to be protective rather than proliferative.

For active women navigating the hormonal transition, incorporating phaxseeds, soy, and lentils as regular dietary components is a low-risk, evidence-supported strategy for supporting connective tissue integrity and overall hormonal health.

Putting It Together: A Framework for Connective Tissue Resilience

The hormonal shift of perimenopause and menopause changes the internal environment that your connective tissue depends on. Estrogen isn't just a reproductive hormone — it's an active participant in tissue maintenance, and its decline has structural consequences that active women need to account for directly.

The good news is that this is addressable. Not by trying to avoid the hormonal transition, but by providing the mechanical stimulus, nutritional raw materials, and dietary phytoestrogen support that partially compensate for what declining estrogen is no longer doing.

Strength train consistently to stimulate collagen synthesis mechanically and protect joints through muscular support.

Optimize nutrition for connective tissue — vitamin C, zinc, adequate protein, and hydrolyzed collagen peptides timed around training.

Incorporate phytoestrogen-rich foods — flaxseeds, soy, and lentils — as regular dietary components, not occasional additions.

Your hormones will shift. Your structural resilience, with the right support, doesn't have to.

Dr. Jason Barker is a naturopathic doctor with 23 years of clinical experience working with athletes. He is a two-time Ironman finisher and the founder of Natural Athlete Clinic. For individualized protocols, functional lab testing, and performance-focused guidance for women in midlife and beyond, visit naturalathleteclinic.com.