Tag: Cardiac function

According to the Cleveland Clinic, as many as 50% of adults in the U.S. may be deficient in vitamin D, a condition increasingly linked to various systemic health issues beyond bone health. Emerging evidence suggests a complex relationship, raising the question: can vitamin D deficiency cause hypoxia?

Recent meta-analyses, including one from 2024 involving 3,763 patients, have indicated that coenzyme Q10 (CoQ10) supplementation significantly improved left ventricular ejection fraction in people with heart failure. This has prompted significant discussion on whether CoQ10 can help ejection fraction as a complementary treatment.

According to the Cleveland Clinic, severe undereating, which can lead to protein deficiency, can affect heart muscle and potentially lead to heart failure. This highlights the significant question: **can protein deficiency cause heart problems**, and what are the specific mechanisms at play?

While observational studies often show a link between low vitamin levels and heart disease, large-scale randomized controlled trials have repeatedly found little to no benefit for heart disease prevention from general vitamin supplementation. Therefore, the conversation around which vitamin improves cardiac function is more nuanced than simple supplementation.

According to a study published in the *International Journal of Academic Medicine and Pharmacy*, females with iron deficiency anemia showed significantly lower heart rate variability (HRV) compared to controls. This notable finding points directly to the answer of whether **can low iron cause low HRV**, confirming a strong connection between iron status and cardiac autonomic function.