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Weight loss for women after 40 — is it even possible?

By Dr. Mary James, ND

As a woman over 40, what do you have to do to lose weight? It helps if you know the answer to this question: how did you gain the weight in the first place?  But many women can’t pinpoint why they’re putting on extra weight.

After 40 women have a harder time losing weight especially around the belly

Weight gain for women after 40 may seem mysterious but there are good reasons it happens. Your body has changed over the years and it’s still transforming. But believe it or not, that’s a good and very natural thing. Working with these changes can make active weight loss possible.

What’s the real reason you’re gaining weight now?

Any weight issues during your 20s and 30s are different than those you’re dealing with today. Tracking down the true source of your weight gain now can help you shed excess weight to feel happier and healthier.

Weight loss for women over 40 is not a simple formula because our bodies’ internal functions are so deeply intertwined and influenced by each other. When one set of controls changes — like hormone status — it alters other functions connected to that system down the line. Even small shifts can have big after effects.

Specific changes to your body — and lifestyle patterns — after 40 will act as a double whammy when it comes to weight. You can become more predisposed to gain weight and also won’t be able to easily let go of excess weight.

The weight loss process will be altered by changes in any of these 4 areas:

Activity level

1. Activity level
The amount you move around and how often you do it will change during your life, but you may not notice it happening. Did you used to play sports, dance a lot, take long walks with your dog, or run around every day after your kids? If you’re not doing any of those things now, or exercising at all, your body won’t burn calories or use energy in the same way and your weight will change.

Eating patterns

2. Eating patterns
Even tiny changes in how and when you eat can add extra pounds or shut down the weight loss process. Did you start skipping breakfast or other meals? Did you try to lose weight by cutting out all sugar but now you’re bingeing on sweets ? Are you eating too many dairy foods to get extra calcium for bone health? If you’ve eliminated meals or changed your diet for what you thought were health reasons, your weight can go up.

Endocrine function

3. Endocrine function
At age 40, most women may not want to think about menopause, but your endocrine system is always on the move. As a result, your interconnected hormone systems are continually rebalancing in response to physical and emotional events in your life. After age 40, women see lots of up-and-down action in hormones related to:

  • reproduction (estrogen, progesterone, testosterone)
  • adrenal function (cortisol, adrenaline)
  • thyroid status (TSH, T3, T4)

Since these three hormonal networks intersect, the way you gain and lose weight can be affected, often in extreme ways. Stay aware of unusual symptoms or sensations as these are often signs of a hormonal imbalance. Keep an eye on your thyroid function — it controls your metabolism and the way you burn calories.

How your body stores fat

4. How your body stores fat
First, as women near midlife, their ratio of fat to body weight increases rapidly. Second, many women see that new fat mostly around their bellies. This is “visceral fat” and it can change the entire shape of your midsection. Visceral fat cells are like miniature endocrine organs that are especially active, setting off inflammation and increasing insulin resistance. Third, visceral fat gets a huge boost from lifestyle issues like depression and stress, poor sleep, smoking (proven to increase belly fat ), irritability, and drinking fructose-sweetened beverages (leads to more visceral fat and decreases insulin sensitivity).

For women over 40 who want to lose weight: your next steps

Before you go back to trying the same old thing or just give up completely, consider these action steps:

Find real stress relief even if it’s weird or goofy

Stress kills your health and is your biggest enemy when you’re trying to lose weight. Proven stress relievers are exercise (do it regularly — every day in some form), meditation (start with 5 slow, steady breaths through your nose and repeat), journaling, and happy hobbies (gardening, making art). You may need to invent your own brand of stress relief to find what works for you.

Stress relievers like getting a dog can help women who are trying to lose weight

Discover fresh stress relievers like getting a pet — especially a dog, being outside a lot, performing random acts of kindness, taking photos, watching funny TV shows and videos, reading and housework. Sex is one of the best ways to blow off steam, alone or with a partner.

Focus on getting good sleep

Science has repeatedly shown us the links between lack of sleep and being overweight. Skimpy sleep screws up levels of two different hormones — the one that rules your appetite (ghrelin) and the one that triggers the “I’m full” sensation (leptin). Insomnia may even influence you to make worse food choices.

Getting enough sleep is a key part of the weight loss process

Change one sleep habit to lengthen the time you sleep, and experiment till you find it.

Some options:

  • Create a firm sleep schedule and stick to it. Get in bed every night at 10:00PM and get up every morning at 6:00AM (adjust as necessary).
  • Move your last meal or snack back an hour so you don’t go to bed stuffed, but make sure you eat late enough so you’re not hungry either.
  • Get a fan or white noise machine, especially if you wake up easily.

Think about your thyroid function

Even tiny changes in thyroid function can meddle with the way your body processes food for fuel because thyroid hormones affect metabolism and how your body deals with weight. When thyroid hormone levels drop too low, you can start gaining weight. You may also have other symptoms that don’t seem connected — low energy, feeling cold a lot, skin issues or hair loss.

Supporting the thyroid with herbs and minerals can help with weight loss for women after 40

Actively support your thyroid with food, vitamins and minerals. This small change can make a huge difference to your weight in a fairly short time. It’s smart to have your thyroid checked though many conventional tests come back “normal” even when you may have low thyroid. But you can still add daily thyroid support safely to see if it helps. If you suspect you have a low-thyroid issue, you can get a handle on your weight issues by making small diet changes and supplementing with the right herbs and minerals.

Weight Loss Solutions


Nitz JC, Choy NL. Changes in activity level in women aged 40-80 years. Climacteric. 2007 Oct;10(5):408-15. https://www.ncbi.nlm.nih.gov/pubmed/17852144 Accessed 11.16.16



Ludescher B, Najib A, Baar S, et al. Increase of visceral fat and adrenal gland volume in women with depression: preliminary results of a morphometric MRI study. Int J Psychiatry Med. 2008;38(3):229-40. https://www.ncbi.nlm.nih.gov/pubmed/19069569 Accessed 11.17.16.

Stanhope K, et al. Consuming fructose-sweetened, not glucose-sweetened, beverages increases visceral adiposity and lipids and decreases insulin sensitivity in overweight/obese humans. J Clin Invest 2009 May;(119)(5):1322-1334. https://www.jci.org/articles/view/37385 Accessed 11.17.16.






Last Updated: March 3, 2023
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