Exact number of walnuts to eat to cut cholesterol and boost heart health

A nutritionist has revealed the exact number of walnuts needed to significantly lower cholesterol and improve heart health. According to Dr Sarah Schenker, a registered nutritionist and dietitian, consuming one handful, approximately 30 grams or 10 whole walnuts, can deliver substantial health benefits. This quantity provides around 3 grams of alpha-linolenic acid (ALA), an essential omega-3 fatty acid that the body cannot produce on its own. While the United Kingdom does not set specific dietary guidelines for ALA, the U.S. recommends a daily intake of 1.1 to 1.6 grams. Dr Schenker emphasized that walnuts stand out among tree nuts due to their rich content of ALA, along with other vital nutrients. A single serving of this size also offers nearly 5 grams of protein and 2 grams of dietary fiber. In addition to these macronutrients, walnuts supply a variety of vitamins and minerals, including B1 and B6, folate, vitamin E, phosphorus, magnesium, copper, manganese, and biotin. They also contain pantothenic acid, potassium, iron, and zinc. Beyond basic nutrition, walnuts are noted for their complex mix of bioactive compounds, particularly antioxidants concentrated in their brown skins. These components contribute to their reputation as a powerful food for overall wellness. Dr Schenker pointed out that regular consumption of walnuts might offer additional advantages beyond heart health. Research suggests they may support cancer prevention, aid in managing diabetes, enhance gut health, and even assist with weight management. Despite containing nearly 200 calories per serving, walnuts may influence brain activity related to appetite control and craving suppression. The recommendation aligns with findings from a study published in the American Heart Association journal Circulation. The research showed that incorporating a “fistful” of walnuts into daily meals, regardless of other dietary choices, led to a moderate reduction in low-density lipoprotein (LDL), often referred to as “bad” cholesterol, and the number of LDL particles linked to cardiovascular disease risk over a period of two years. Lynne Garton, Dietetic Adviser at HEART UK, echoed these sentiments. She stated that maintaining healthy cholesterol levels through balanced eating and physical activity is crucial for preventing serious health complications. Replacing foods high in saturated fats with those rich in unsaturated fats, such as walnuts, oily fish, and avocados, is a beneficial strategy. She highlighted the role of fiber in walnuts, noting their value as a heart-healthy option. HEART UK reports that nearly half of UK adults have elevated cholesterol levels, often without experiencing symptoms. Seven to eight million individuals in the country are currently on medication, such as statins, to manage the condition. Experts stress that while pharmaceutical interventions are effective, dietary changes can play a complementary role in reducing heart-related risks. The advice from both Dr Schenker and Ms Garton underscores the potential of walnuts as a simple yet impactful tool in promoting long-term cardiovascular health. As more research emerges, the role of nuts in preventive healthcare continues to gain recognition.