Cholesterol - Total

Normal total cholesterol for adults is generally considered less than 200 mg/dL (under about 5.0 mmol/L). A total of 200–239 mg/dL (≈5.0–6.1 mmol/L) is borderline high; 240 mg/dL (≈6.2 mmol/L) or above is high and raises cardiovascular risk. Interpret results alongside HDL, LDL, triglycerides and other risk factors—discuss abnormal values with your clinician.

High total cholesterol increases atherosclerosis risk by promoting fatty plaque buildup in arteries. Over time this narrows vessels, reduces blood flow, and raises chances of coronary heart disease, angina, heart attack, stroke, and peripheral artery disease. It’s often symptomless until events occur. Managing diet, exercise, and medicines can lower cholesterol and reduce cardiovascular risk.

Lower cholesterol while breastfeeding by focusing on lifestyle: eat a heart‑healthy diet (cut saturated/trans fats, boost soluble fiber from oats, beans, fruits and vegetables), choose healthy fats (olive, canola), eat fatty fish twice weekly for omega‑3s, maintain a healthy weight with regular aerobic exercise, avoid smoking and limit alcohol. Many statins aren’t recommended during breastfeeding—discuss safe options and monitoring with your healthcare provider.

Alarming cholesterol levels: total cholesterol ≥240 mg/dL is high (200–239 mg/dL borderline). LDL cholesterol ≥160 mg/dL is high; ≥190 mg/dL is very high. HDL below 40 mg/dL (men) or below 50 mg/dL (women) is low and concerning. Triglycerides ≥200 mg/dL are high; ≥500 mg/dL greatly increases pancreatitis risk. Seek medical evaluation if results fall in these ranges.

No strong evidence shows vitamin B12 reduces cholesterol. B12 corrects deficiency and can lower homocysteine levels, but studies do not consistently show decreased LDL or total cholesterol from B12 supplementation. Cholesterol is best managed with diet, exercise, weight control and, when necessary, medications. Treat B12 deficiency for its own health reasons and discuss testing or supplements with your clinician.

To lower cholesterol quickly, starting a statin as prescribed can reduce LDL substantially within 4 to 6 weeks. Combine medication with immediate lifestyle steps: cut saturated and trans fats, avoid trans fats, increase soluble fiber (oats, beans), use plant sterols, lose weight, and exercise. For high-risk cases, ezetimibe or PCSK9 inhibitors can further and rapidly lower LDL. Follow your clinician’s advice.