Why Fat Isn't Your Enemy: 6 Foods That Support You Through Autumn and Can Help With Healthy Weight Management

Here is a surprising fact: the extra weight many of us notice in January usually doesn't come from the holidays. It builds up quietly from October onward. The days get shorter, the evenings get colder, the couch gets more inviting, and our plates get heavier. Many people respond by cutting all fat out of their diet. Nutrition science says that is often the wrong move. The right fats, together with a few smart everyday foods, can actually help you stay on track.

Few people show this better than Oscar-winning actress Halle Berry. For years she has spoken openly about her low-sugar, higher-fat way of eating, which she says is part of how she manages her blood sugar and keeps her energy steady. In a TV interview reported by Hello! Magazine, she explained that she eats "healthy fats all day long," including avocado, coconut oil and butter, while avoiding sugar. Her approach is quite strict and certainly isn't right for everyone. Anyone with a medical condition should talk to their doctor before making big changes. Still, her story makes an important point: fat on your plate does not automatically mean fat on your waist.

A reader from our community had a similar experience: "Every autumn I would cut out butter and cheese and then snack on biscuits all evening. Last year I went back to full meals with some healthy fat, a cup of green tea in the afternoon and a walk after dinner. For the first time, I didn't have to 'start over' in January."

Why autumn matters more than you think

Regular exercise and moderate physical activity, including brisk walks, are especially important in autumn and winter. During this part of the year we tend to move less, which makes it easier to gain weight. The World Health Organization recommends that adults get at least 150 to 300 minutes of moderate activity per week, and that target doesn't take a holiday when the weather turns. If you want to get more out of your morning walks, read How to achieve maximum fat burning?

Many nutrition experts like to say that in spring we lose weight for beauty, but in autumn we lose weight for health. Steady, gradual progress is the goal. You can find practical guidelines in our article How to Lose Weight Without Harming Your Health. Sleep matters as much as food: see When you sleep too little, your belly grows — and you won't even notice this on the scale.

And now, why fats deserve a second chance. According to the Harvard T.H. Chan School of Public Health, the type of fat matters far more than the total amount. Unsaturated fats from fish, nuts, seeds and olive oil are part of a healthy diet. Fats also help you feel full, which can make it easier to avoid sugary snacks. Several of the foods below show how this works in practice.

1. Milk and dairy products

Milk and dairy products from grass-fed animals contain conjugated linoleic acid (CLA), a natural fatty acid that has been studied for its possible role in how the body handles sugar and stores fat. Some researchers believe CLA may influence how glucose is moved into muscle cells and how much of the excess is stored as fat. A meta-analysis published in the American Journal of Clinical Nutrition found a modest reduction in body fat in studies that used CLA supplements. The effect was small, and the amounts used were higher than you would get from food alone.

What dairy reliably offers is protein and calcium, both of which help keep you full and support a balanced diet. The key is choosing wisely: plain yogurt and kefir are great choices, while sweetened fruit yogurts can hide surprising amounts of sugar. More on this in Hello, and Fattening: Foods that Sabotage Your Diet.

2. Beef

L-carnitine is found in red meat (lamb, venison and beef) and, in smaller amounts, in fish. The body uses it to carry fatty acids into the cells' "power plants," the mitochondria, where they are turned into energy. That is why it is often described as a metabolism helper and is popular with athletes for muscle recovery. A review published in Obesity Reviews found that L-carnitine supplements were linked to modest weight loss in adults, although the authors noted the effect was limited.

As a nutritionist, I'd add that a portion of lean beef is also an excellent source of protein, iron, zinc and vitamin B12, which are all valuable in the darker months. Organizations such as the World Cancer Research Fund recommend moderation with red meat and limiting processed meat, so a few portions per week, ideally with plenty of vegetables, are a sensible balance.

3. Seafood

Seafood shells (from shrimp, crabs and lobsters) contain chitin, which is used to make chitosan, a special type of fiber. Chitosan is said to bind fats in the digestive system, and it is mostly sold as a supplement. A Cochrane review found that its effect on body weight was small and probably not very meaningful in practice. So it is better to think of seafood as a lean, satisfying source of protein, omega-3 fats, iodine and zinc.

The fiber part of the story still holds up well. All types of fiber support healthy digestion and help you feel full, and eating enough fiber is linked to healthy blood pressure and cholesterol levels. If you want to learn more, read The Secret Weapon Against Stubborn Weight: Is Fiber the One Thing Missing From Your Diet? A seafood dish served with vegetables and whole grains gives you the best of both.

4. Cinnamon

Cinnamon has long been used in traditional medicine for digestive discomfort and was valued for its antibacterial properties. Today it is mainly studied for its possible effect on blood sugar. A meta-analysis in the Annals of Family Medicine found that cinnamon was associated with modest improvements in fasting blood sugar and cholesterol in people with type 2 diabetes, but the results varied widely between studies. A pinch in your morning oatmeal is a tasty way to add sweetness without adding sugar.

In fact, many fragrant winter spices, such as cloves, nutmeg, ginger and star anise, are rich in aromatic plant compounds, and it's a good idea to use them regularly in your cooking. One note of caution: the common cassia cinnamon contains coumarin, and the European Food Safety Authority (EFSA) has set a tolerable daily intake for it. Large daily amounts are not recommended. Ceylon cinnamon contains much less coumarin. For another warming idea, see Warm Water with Turmeric Against Winter Troubles.

5. Cocoa beans

Theobromine is the natural compound in cocoa that gives chocolate its gentle, mood-lifting effect, and it is often mentioned in connection with weight loss. To see any noticeable effect, however, you would need around 10 grams a day, which means eating well over a kilogram of dark chocolate. That clearly does more harm than good. Concentrated theobromine supplements are not recommended without medical advice.

What you can enjoy with a clear conscience is a square or two of high-cocoa (70% or more), low-sugar dark chocolate. Cocoa is rich in flavanols, and according to the Harvard T.H. Chan School of Public Health, these plant compounds are being studied for their potential benefits for heart and blood vessel health. A small portion can satisfy a sweet craving better than a bag of biscuits. More surprising tricks like this can be found in 5 unusual weight loss tricks that work.

6. Green tea

Most teas, and green tea in particular, contain catechins, plant compounds that have been studied for their role in fat metabolism. They are also powerful antioxidants, and some laboratory tests have found their antioxidant activity to be stronger than that of vitamins C and E. Real-life effects on body weight are much more modest: a Cochrane review of green tea and weight loss found only a small effect that was probably not clinically important.

Even so, two or three cups of green tea a day are a warming, calorie-free habit that can replace sugary drinks and afternoon snacks. Keep in mind that green tea contains caffeine, so it is best enjoyed before late afternoon. Highly concentrated green tea extracts are a different story from a cup of tea and should be used with caution.

How to put it all together this autumn

• Don't fear fat. Choose it wisely: olive oil, nuts, seeds, fish and moderate amounts of dairy.


• Build meals around protein and fiber: lean meat or seafood with plenty of seasonal vegetables. For more seasonal ideas, see When the Weather Turns: 5 Foods That May Help Your Body Handle the Swing From Summer Heat to Autumn Chill.


• Use spices instead of sugar: cinnamon, ginger and cloves add warmth and sweetness.


• Swap snacks for smarter options: a cup of green tea, a piece of fruit (see 3 fruits that help you lose weight) or a square of dark chocolate.


• Keep moving: a daily walk, even on grey days, matters more than any single "superfood."

As one reader put it: "I stopped looking for one miracle food. Cinnamon in the morning, tea in the afternoon, a walk in the evening. Small things, but they add up."

This article is for general information only and is not a substitute for professional medical or nutritional advice. If you have a health condition, are pregnant or take medication, please consult your doctor or a registered dietitian before making significant changes to your diet or taking supplements.