Here is a good clinical case to illustrate estrogen and calcium, and the interrelationship between these three important factors for healthy aging. Here is some background: A 65-year-old patient in good health with a family history of hypertension. She has had a complete hysterectomy 6 years ago and is on hormone replacement of synthetic estrogen (Premarin) 0.625 mg once a day. A major question is: How do estrogen and calcium interact in a low magnesium condition?

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The patient wishes to take calcium and magnesium but is not sure how much.

Here are My Thoughts on Estrogen and Calcium:

She should not be on unopposed estrogen especially Premarin, (synthetic estrogen). That is a sure prescription for worsening hormonal imbalance (estrogen dominance). Though this is not your main question, you need to be careful. Consider progesterone cream to counter the effect and taper of estrogen.

Too high a calcium level leads to increased coagulation and increased risk of a vascular accident. Too low a magnesium (and 80% of modern day diet is low in magnesium) will raise the ca/mg ratio, causing the similar problem as too much calcium.

Most adults are walking around with estrogen dominance due to our diet and exposure to environmental estrogen. Excessive estrogen reduces circulating Magnesium, leading to a relative excess of calcium. So any excess calcium will only increase even more the already high ca/mg ratio in the presence of high estrogen. The lesions of arteries and heart caused by experimental Mg deficiency have been well documented and may contribute to human cardiovascular disease. Estrogen’s enhancement of Mg utilization and uptake by soft tissues and bone may explain the resistance of young women to heart disease and osteoporosis, as well as increased prevalence of these diseases when estrogen secretion ceases.

In summary

Most of us are in an estrogen dominant environment, resulting in lowered Magnesium.
Most of us can easily get into a calcium-dominant environment. Reason: Too little magnesium.
Most of us are in a magnesium deficient state.

As a Result, We All End Up with Too Much Calcium

When discussing estrogen and calcium in the body, we need to understand how stress works. Under stress, the body’s hypothalamic-pituitary-adrenal (HPA) axis is activated, essentially speeding up the body to fight stress. This action includes speeding up the heart rate. The adrenal glands secrete cortisol to fight the stress. Ideally, the effects of stress are handled adequately, and the body slows down again. But if stress continues, the adrenals may become unable to keep up with the demand for cortisol, eventually reaching a state of complete fatigue, not allowing a slowdown.

Adequate addressing of stress and its detrimental effects requires physicians to adopt the NeuroEndoMetabolic model of a stress response. This model considers all the interacting systems of the body and the effects of stress on them. The cardiotoxic system is disrupted under continued stress and may lead to significant heart involvement. High blood pressure, palpitations, arrhythmias, and even atrial fibrillation may result. This constant activation of the cardiotoxic system doesn’t allow for rest and repair needed by our bodies.

As shown in conditions of low magnesium and high calcium that can occur in the presence of a high estrogen environment, heart involvement will be present. Previously, the conventional wisdom was estrogen protected women against heart disease. And at menopause, estrogen needed to be replaced to continue this protection. However, research has more recently linked hormone replacement therapy (the use of synthetic estrogen) to a higher risk of heart attack.  go to this website