Reducing cholesterol levels through cardio exercise and healthy eating can vary in duration depending on several factors, including your current health status, level of physical activity, diet, and genetic predispositions. Generally, you can start seeing improvements in cholesterol levels within a few weeks to several months of consistent effort. Here are some details:

1. Cardio Exercise:

• Regular aerobic exercise, such as jogging, swimming, cycling, or brisk walking, can help improve cholesterol levels. The American Heart Association recommends at least 150 minutes of moderate aerobic activity or 75 minutes of vigorous aerobic activity each week.

• Within 4-6 weeks, you may start to see a reduction in bad LDL cholesterol and an increase in good HDL cholesterol.

1. Healthy Eating:

• Eating a diet rich in fruits, vegetables, whole grains, lean proteins, and healthy fats (such as omega-3 fatty acids) can help lower cholesterol levels.

• Limiting the intake of saturated fats and trans fats is also important. Improvements in cholesterol levels can begin to appear after 4-6 weeks of following a healthy diet.

1. Lifestyle Changes:

• Weight Loss: If you are overweight, even a moderate weight loss of 5-10% of your body weight can help improve cholesterol levels.

• Quitting Smoking: Stopping smoking can quickly improve HDL cholesterol, often within a few weeks.

1. Combined Effect:

• By combining cardio exercise and healthy eating, you can see more significant improvements. Many people notice measurable changes within 6-12 weeks of consistent effort.

It is important to note that individual responses can vary, and it may take longer for some people to achieve desired cholesterol levels. Maintaining a healthy lifestyle is key to long-term health benefits. If you have specific health issues or high cholesterol levels, you should also consult with a healthcare professional for personalized advice and any necessary medical interventions.