Proven Walnut Habit Lowers Cholesterol

Proven Walnut Habit Lowers Cholesterol

Who Can Benefit

  • Broad group: health-minded adults juggling busy days—office workers or anyone aiming to support heart health with everyday foods.
  • Medium group: people dealing with mild lipid concerns, low-grade inflammation, or stress that can accompany aging and overweight.
  • Narrow, symptom-based group: individuals who notice post-meal sluggishness or brain fog and want a dietary option to support overall metabolic health.

2. What Research Shows

Eating mixed nuts for several weeks can help improve heart-related blood lipids. In a study of 28 older adults with overweight or obesity, participants ate 60 g/day of mixed nuts for 16 weeks and were compared to a period with no nuts. ApoB dropped by 0.07 g/L, total cholesterol by 0.27 mmol/L, non-HDL cholesterol by 0.28 mmol/L, and triglycerides by 0.27 mmol/L. VLDL particle numbers decreased by 24 nmol/L across all VLDL subtypes, and LDL particles also declined, notably IDL and large LDL, while HDL particles and sizes remained unchanged. In short, longer-term mixed nut intake shifted lipoprotein profiles toward a less atherogenic pattern, which could contribute to lower cardiovascular risk in older adults.

3. How to Eat It

  1. Recommended Serving
  • About 60 g of mixed nuts per day (roughly a generous handful), using a mix such as walnuts, pistachios, cashews, and hazelnuts as in the study.
  1. Easy Ways to Eat It
  • Enjoy as a snack on its own, or sprinkle over yogurt, oats, salads, or hot cereals.
  • Mix into smoothies for a subtle nutty boost, or enjoy as a topping for whole-grain bowls.
  1. Flavor Pairings
  • A squeeze of citrus or a drizzle of olive oil can brighten nut dishes.
  • Pair with fruit, yogurt, or a touch of spice (like cinnamon) to make daily portions feel special without much effort.

4. Takeaway

A daily mixed-nut habit—about 60 g per day—showed promising improvements in lipoprotein particles linked to heart disease in older adults. If you’re looking for a simple change to support heart-healthy lipids, consider adding a daily handful of mixed nuts to your routine. Start today with a small portion and enjoy the taste and texture as part of a balanced diet.

Source

Effects of Longer-Term Mixed Nut Consumption on Lipoprotein Particle Concentrations in Older Adults with Overweight or Obesity.

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