When most people think of perimenopause, the first symptoms that come to mind are hot flashes, night sweats, brain fog, and erratic mood swings. However, one of the most important shifts during this transition is occurring quietly within your circulatory system.
Estrogen isn’t just a reproductive hormone; it is a powerful protector of your cardiovascular health. As estrogen levels fluctuate and decline during perimenopause, often beginning in your late 30s or 40s, the built-in heart shield begins to diminish. Understanding what is happening under the hood empowers you to take proactive steps to protect your heart for decades to come.
Why Perimenopause Alters Heart Health
To understand why your heart needs extra care right now, it helps to look at four key physiological shifts that occur as estrogen wanes.
Cholesterol Changes
Estrogen helps keep your liver functioning in a way that maintains a healthy lipid profile. When estrogen declines:
- “Bad” LDL cholesterol and triglycerides tend to creep up, increasing the likelihood of plaque building up in your arteries.
- “Good” HDL cholesterol can decrease or become less effective at sweeping away that arterial plaque.
Blood Pressure Fluctuations
Estrogen acts as a natural blood vessel dilator, keeping vessels relaxed. As hormone levels drop, blood vessels contract more easily. This increased resistance makes it harder for blood to flow smoothly, often causing systolic blood pressure (the top number) to rise during perimenopause, even in women who previously had low blood pressure.
Blood Vessels May Not Work as Well
Your blood vessels have a thin inside layer that helps them relax and open when your body needs more blood flow. Estrogen helps this layer do its job. When estrogen levels go down, your blood vessels may not relax as easily. This can make blood flow less smooth and may lead to more irritation inside the blood vessels over time.
Loss of Vascular Flexibility
Young, healthy arteries are elastic and flexible, stretching and springing back with every heartbeat. Lower estrogen levels contribute to a loss of collagen and elastin in the arterial walls, causing vascular stiffening. Stiffer arteries mean your heart has to pump harder to deliver blood throughout your body.
Simple Lifestyle Adjustments for Arterial Health
The good news? Your daily habits can dramatically offset these hormonal shifts. Here are a few lifestyle tips:
Move Your Body Regularly
- Aerobic Activity: Brisk walking, cycling, or swimming for 150 minutes a week encourages your blood vessels to release nitric oxide, keeping them supple.
- Strength Training: Lifting weights 2–3 times a week improves insulin sensitivity and helps manage resting blood pressure.
Focus on Healthy Fats
- Replace saturated and trans fats (found in fried foods and heavily processed snacks) with monounsaturated and polyunsaturated fats.
- Incorporate extra virgin olive oil, avocados, nuts, seeds, and wild-caught fatty fish into your daily meals to support healthy cholesterol levels.
Keep Blood Sugar Stable
Estrogen influences how your cells respond to insulin. As estrogen decreases, insulin resistance can creep up, causing higher blood sugar spikes. Elevated blood sugar damages the delicate endothelial lining of your arteries over time.
- Eat balanced meals combining protein, healthy fats, and complex carbohydrates.
- Minimize refined sugars and simple carbs that trigger rapid glucose spikes.
Targeted Supplements for Heart Support
Alongside a nutrient-dense diet and movement, specific targeted supplements can offer robust cardiovascular support during perimenopause:
Omega-3 Fatty Acids
Omega-3s are healthy fats found in foods like salmon, sardines, mackerel, walnuts, chia seeds, and flaxseed. They are often used to support heart health because they can help keep blood fats, especially triglycerides, in a healthier range. They may also help calm irritation inside the blood vessels and support smoother blood flow. For women in perimenopause, omega-3s can be a helpful part of a heart-support plan because cholesterol and blood pressure often become harder to manage during this stage.
Bergavit™
Bergavit™ is a form of bergamot, a citrus fruit best known for giving Earl Grey tea its familiar flavor. In supplement form, bergamot is used to support healthier cholesterol numbers. It may help the body keep “bad” cholesterol and triglycerides in a better range while also supporting steadier blood sugar. This matters during perimenopause because changes in hormones can make cholesterol and blood sugar more likely to shift in the wrong direction.
Kaneka Ubiquinol®
Kaneka Ubiquinol® is a form of CoQ10, a nutrient your body naturally makes. CoQ10 helps your cells make energy, and your heart uses a lot of energy every day because it is always working. Ubiquinol is the ready-to-use form of CoQ10. It also helps protect cells from everyday wear and tear. Since CoQ10 levels can go down with age, some people use ubiquinol for heart and energy support, especially as they get older. It is one of my favorite heart-healthy supplements to take.
NSK-SD®
NSK-SD® is a special form of nattokinase, which comes from fermented soy. Nattokinase is often used to support healthy circulation. In simple terms, it helps the body maintain normal blood flow by supporting the natural process that keeps blood from becoming too thick or sluggish. This can be especially useful when focusing on heart and blood vessel health. Anyone taking blood thinners or medicines for blood pressure should speak with a healthcare professional before using it. Like Kaneka Ubiquinol®, NSK-SD® is another one of my go-to supplements in my heart-healthy program.
Fiber (Fenuflakes®)
Fiber helps your heart in a very practical way. Certain types of fiber can grab onto cholesterol in the digestive tract so the body can remove it instead of absorbing it. Fiber can also slow down how quickly sugar enters the blood after meals, which helps support steadier energy and healthier blood sugar. Fenuflakes® provides fiber from fenugreek, which may be useful for people who want extra support for cholesterol and blood sugar balance.
These ingredients are not meant to replace healthy habits, but they can be part of a well-rounded plan. When paired with regular movement, balanced meals, steady blood sugar, and routine checkups, they may give your heart extra support during a time of change. The key is to start with small, realistic steps and build from there.
The Bottom Line
Perimenopause is a natural transition, not a disease, but it is a wake-up call to reprioritize your cardiovascular care. By making intentional lifestyle adjustments and considering targeted nutritional support, you can protect your blood vessels, maintain healthy blood pressure, and keep your heart strong long term.
Always consult your healthcare provider or a functional medicine practitioner before starting new supplements, especially if you take blood thinners or blood pressure medications.