Healthy fats: what to eat and why they matter
Want better energy, clearer thinking, and a healthier heart? Changing the type of fat you eat makes a big difference. Not all fats are equal — some raise inflammation and cholesterol, others lower it and help your body work better. This short guide tells you which fats to pick, realistic portions, and simple swaps you can actually keep doing.
What counts as healthy fat?
Healthy fats fall into two main groups: monounsaturated fats (MUFAs) and polyunsaturated fats (PUFAs). MUFAs live in olive oil, avocados, and most nuts. PUFAs include omega-3 and omega-6 fats. Omega-3s are the superstar: fatty fish (salmon, mackerel, sardines), flaxseed, chia, and walnuts supply them. Aim for EPA/DHA from fish for heart and brain benefits; plant sources provide ALA, which the body partly converts to EPA/DHA.
Avoid industrial trans fats completely — they raise bad cholesterol and lower good cholesterol. Limit saturated fat (found in butter, fatty red meat, and some tropical oils). Swap them for MUFAs and PUFAs to cut heart disease risk and help inflammation.
Practical swaps and servings
Small changes add up. Try these easy moves: replace butter with olive oil when cooking or on toast, swap potato chips for a handful (about 1 oz) of almonds or walnuts, and choose fatty fish twice a week (each serving about 3.5 oz / 100 g). Use avocado instead of mayo on sandwiches. For salad dressing, mix 1–2 tablespoons of extra virgin olive oil with vinegar — that’s both tasty and heart-friendly.
Portion guidance matters. A serving of nuts is roughly a small handful (about 28 g). One tablespoon of olive oil or 1/4 of an avocado counts as a fat portion. These portions fit into a balanced meal without adding too many calories.
If you have high triglycerides, prescription-strength omega-3 (EPA/DHA) in doses of about 2–4 g/day can lower levels significantly — talk to your doctor before starting supplements. For general health, getting omega-3s from food (two servings of fatty fish per week) is a practical target for most people.
Cooking tips: use olive oil for low to medium heat and choose avocado oil or refined oils for higher-heat cooking to avoid burning fats. Store nuts and seeds in the fridge to keep oils from going rancid. Read labels: if a product lists hydrogenated oils, skip it.
Want quick meals with healthy fats? Try salmon with a walnut pesto, scrambled eggs with avocado, or a salad dressed in olive oil with toasted seeds. These mix flavor with nutrition so healthy eating doesn’t feel like a chore.
Swap one or two items at a time and you’ll notice better satiety, fewer mid-day cravings, and slowly improving cholesterol numbers. Small, consistent changes beat dramatic short-term fixes every time.