Fiber is a vital part of a balanced diet, and after 40, it becomes even more important. Playing a vital role in gut health, hormone detox, stable energy, and postmeal fullness.
Women over 40 experience a decline in estrogen levels, leading to menopause, signaling the end of their reproductive years. This results in symptoms such as increased appetite, weight gain, gut issues, and issues.
Dietary fiber can not only alleviate these symptoms but help optimize health for later life, post-menopauses.
In this article, we explore the 7-day high-fiber diet plan for women. Covering why fiber matters, recommended daily requirements, the best high-fiber foods, and how to prevent bloating.
Why Fiber Matters — Especially After 40

Fiber is an important nutrient that has several positive effects on the body. Below, we discuss what fiber is, what it does, and how many grams you should be consuming each day.
What Is Dietary Fiber?
Dietary fiber is an essential part of a healthy diet. Sources explain that fiber is a form of non-digestible carbohydrate that comes in two forms: Insoluble and soluble.
Insoluble fiber stays in the intestines and helps to soften and bulk stools, which improves bowel movements. Soluble fiber helps decrease bad cholesterol in the blood while decreasing glucose levels after meals.
Fiber in both of its forms contributes to stabilizing energy levels, improving gut health, reducing bad cholesterol, and improving regularity.
Health Benefits of a High-Fiber Diet
There are several benefits to consuming a high-fiber diet. For example, when insoluble fiber passes through to the colon where it becomes a food source for healthy gut bacteria, improving digestive health.
During this process, insoluble fiber stays in the intestines, slowing the digestive process, which can lead to greater satiety, while binding to bad cholesterol and preventing it from being absorbed into the bloodstream, and as mentioned, also acts as a bulking agent, helping to improve regularity.
Collectively, these benefits are phenomenal for women over 40, addressing many of the challenges they face during menopause, midlife, and beyond.
How Much Fiber You Really Need
The recommended daily allowance for fiber for women is 25–32 g per day for women. To make this achievable, we recommend aiming for between 6–8 g of fiber in each meal, through foods such as oats, chia seeds, avocado, lentils, raspberry, and sweet potatoes.
7 Day High Fiber Diet Plan

Now that we have identified daily fiber requirements and their benefits it’s time to show you how to create your high-fiber diet plan. This 7-day diet plan contains 28 delicious, high-fiber meals which have you easily hitting your daily fiber requirements.
Day 1
Breakfast
- Oatmeal with Greek yogurt, topped with chia seeds raspberries, and crushed almonds
Lunch
- Chicken, lentil, and vegetable soup with whole grain rye bread
Dinner
- Air-fried salmon, quinoa, steamed broccoli & carrots
Snack
- Apple slices with peanut butter
Day 2
Breakfast
- Poached eggs on whole grain toast with avocado, cherry tomatoes, crumbled feta cheese, & flaxseed
Lunch
- Grilled Turkey and chickpea salad with spinach, cucumber, red onion, and vinaigrette
Dinner
- Stir-fried tofu with brown rice, bell peppers, bok choy
Snack
- Handful of mixed nuts, 70% dark chocolate & a pear
Day 3
Breakfast
- Greek yogurt with granola, blueberries, crushed walnuts, and ground flaxseed
Lunch
- Grilled chicken, black bean & veggie burrito with whole wheat wrap
Dinner
- Baked sweet potato topped with ground turkey, black beans, corn, avocado, light source cream, coriander
Snack
- Hummus with raw carrots, cucumber, and celery sticks
Day 4
Breakfast
- Protein Smoothie (1 scoop) with banana, Greek yogurt, spinach, oats, chia, and almond milk
Lunch
- Lamb with quinoa tabbouleh with chickpeas, lemon tahini dressing, and Greek yogurt
Dinner
- Whole grain pasta with beef lentil marinara and roasted zucchini
Snack
- Orange and a few walnuts
Day 5
Breakfast
- Buckwheat pancakes with mixed berries and hemp seeds
Lunch
- Grilled chicken and barley veggie bowl with tahini drizzle
Dinner
- Grilled mackerel with lentil salad and roasted Brussels sprouts
Snack
- Popcorn (air-popped) and a kiwi
Day 6
Breakfast
- Chia pudding made with almond milk, topped with kiwi and pumpkin seeds
Lunch
- Split pea soup with whole grain rye crackers
Dinner
- Baked tempeh with wild rice, sautéed kale, and carrots
Snack
- Greek yogurt, topped with banana, crushed walnuts, and honey
Day 7
Breakfast
- Oats with chopped apples, cinnamon, and walnuts
Lunch
- Falafel wrap with whole wheat pita, lettuce, tomato, cucumber, and tahini
Dinner
- Roasted eggplant and chickpea stew with bulgur
Snack
- Fresh berries and sunflower seeds
The Best High-Fiber Foods to Add to Your Week
Several foods are high in fiber, however, some foods may surprise you. Below are listed the best high-fiber foods to help you build your ideal high-fiber diet.
Fruits and Vegetables with the Most Fiber
Fruits and vegetables while not the richest source of fiber compared to other foods on this list can be used in a high-fiber diet to boost fiber intake.
Foods such as pears and apples are excellent standalone snacks, which can improve satiety between main meals. Meanwhile, vegetables such as sweet potato, carrots, kale, and spinach can be combined to increase the total fiber content of your main meals.
Whole Grains and Seeds
Whole grains and seeds stand out as the most fiber-rich of all food groups listed above. Leading the way are chia seeds and flaxseeds, containing a whopping 27–40g per 100 g, while barley and oats provide a solid amount of 17.6 g and 10.6 g respectively.
It should be noted that seeds are calorie-dens, with 100 g of chia seeds containing 490 calories. Needless to say, quantity should be limited to the recommended serving size of 1–2 tablespoons per day to reduce the risk of exceeding your daily calorie limit.
Legumes and Fiber-Packed Protein Sources
Lastly, legumes and fiber-packed protein sources provide double the benefits and contain both protein and fiber which work together to maintain fullness.
For example, pinto beans contain 9 g of fiber and 21 g making them incredible for improving fullness and gut health. Similarly, chickpeas contain 7.6 g of fiber and 19 g of protein. These two foods highlight the benefits of legumes in a balanced, high-fiber diet.
Hidden Sources of Fiber in Everyday Foods
While there are certainly hidden sources of fiber, nothing beats meeting your daily requirements through everyday foods.
Food such as oats, carrots, spinach, apples, pears, avocados, and beans are readily available in most regions, reducing the effort required to meet daily requirements.
How to Prevent Bloating When Increasing Fiber

Increasing your fiber intake is undoubtedly an excellent way to improve your health. However, loading up on fiber too quickly can lead to bloating and discomfort. Below, we discuss how to increase fiber without bloating, to help you meet your dietary fiber requirements well after the initial seven days.
Increase Gradually
Sources show that switching quickly to a high-fiber diet can lead to bloating. As we know, fiber is beneficial for gut bacteria, however, time is required for the gradual increase.
To remedy this, fiber can be increased gradually to reduce bloating and gas. For example, if you have not been consuming enough fiber (below 10 g/day), try consuming just 10 g for the first few days of the week, limiting your intake of fiber-rich food such as oats, beans, and avocado.
If after the initial week, bloating has stopped, increase fiber intake by a further 5–10 g/day, and repeat the process until you meet the recommended daily intake of 25–32 g/day.
Drink More Water
Another simple and effective way to reduce bloating is by drinking more water during the day, and before and after meals. Hydrations have been shown to improve digestion, and proven to reduce constipation, helping to alleviate various other causes of bloating, contributing to overall relief.
Move More to Move Things Along
Exercise and general physical activity is another excellent way to reduce bloating. Research shows that this can be attributed to abdominal muscle contractions, encouraging movement. For relief, consider taking a walk after your meal. This can help naturally reduce bloating and discomfort.
Recap: A Gut-Healthy Week of High-Fiber Eating

The 7-day high-fiber diet is an amazing way to boost your gut health for women over 40, helping regulate appetite, blood sugar, and energy levels. Best of all, it can be done with accessible, affordable, delicious whole foods.
Top Takeaways from the 7-Day Plan
Here is a list of the top takeaways from the 7-day plan:
- Aim for 25–32 g/day fiber per day.
- Maintain exercise and hydration, and reduce bloating.
- Beginners should gradually increase fiber to reduce bloating.
- Couple high-fiber foods with lean protein sources to increase satiety.
- Add lesser sources of fiber such as fruit and vegetables to boost intake.
Small Shifts, Big Changes
As mentioned, switching to a high-fiber diet may not be as easy as you think, especially if you are well below the recommended daily requirements.
We recommend making small shifts by gradually adding fruits and vegetables to your diet. These contain modest amounts of fiber, allowing you to gradually increase your intake, reducing the risk of bloating and discomfort.
From here, you can begin adding fiber-rich foods including oats, quinoa, beans, and avocado.
Staying Consistent Beyond One Week
Staying consistent beyond the initial week can be challenging, but it is far from impossible. The key is to find the balance between a balanced and predictable routine while keeping your diet fresh and interesting.
To do this, we recommend picking your favorite high-fiber meals from the initial week and cycling them through to the following week. This can reduce decision fatigue which comes from constantly having to decide what to eat.
From here, we recommend experimenting and trying one of two new high-fiber meals each week to keep things interesting. This will reduce the restrictive feeling which can come from dieting, without leading to the overwhelming feeling of constant decision-making.
Sources
- Holesh JE, Aslam S, Martin A. Physiology, Carbohydrates. 2023 May 12. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. PMID: 29083823. https://pubmed.ncbi.nlm.nih.gov/29083823/
- Zhang M, Juraschek SP, Appel LJ, Pasricha PJ, Miller ER 3rd, Mueller NT. Effects of High-Fiber Diets and Macronutrient Substitution on Bloating: Findings From the OmniHeart Trial. Clin Transl Gastroenterol. 2020 Jan;11(1):e00122. doi: 10.14309/ctg.0000000000000122. PMID: 31972610; PMCID: PMC7056053.https://pmc.ncbi.nlm.nih.gov/articles/PMC7056053/
- Popkin BM, D'Anci KE, Rosenberg IH. Water, hydration, and health. Nutr Rev. 2010 Aug;68(8):439-58. doi: 10.1111/j.1753-4887.2010.00304.x. PMID: 20646222; PMCID: PMC2908954. https://pmc.ncbi.nlm.nih.gov/articles/PMC2908954/
- Hosseini-Asl MK, Taherifard E, Mousavi MR. The effect of a short-term physical activity after meals on gastrointestinal symptoms in individuals with functional abdominal bloating: a randomized clinical trial. Gastroenterol Hepatol Bed Bench. 2021 Winter;14(1):59-66. PMID: 33868611; PMCID: PMC8035544. https://pmc.ncbi.nlm.nih.gov/articles/PMC8035544/
FAQs
I'm worried about feeling bloated and gassy. How do I avoid that?
This is the most common concern, and I'm so glad you asked! The secret is two-fold: go slow, and drink plenty of water. If you're not used to a lot of fiber, your gut needs time to adjust. Think of it like training a muscle. We start gently. Also, water is fiber's best friend—it helps soluble fiber form a gel that soothes your system. This plan is designed to increase your fiber intake gradually to keep you comfortable, not turn you into a bloated balloon.
What's the difference between different types of fiber? It seems so confusing.
It can feel complicated, but let's make it simple. Think of fiber in two main ways: Soluble Fiber (The "Gel"): This type dissolves in water to form a gel-like substance. It helps slow digestion (so you feel full longer!), lowers cholesterol, and stabilizes blood sugar. You'll find it in oats, beans, apples, carrots, and chia seeds. Insoluble Fiber (The "Broom"): This type doesn't dissolve. Think of it as a gentle "broom" that sweeps things through your digestive tract, promoting regularity. It's in foods like nuts, leafy greens, broccoli, and whole grains. You don't need to obsess over it—eating a wide variety of colorful plants will ensure you get plenty of both!
Will eating more fiber actually help me lose weight?
Yes, absolutely. Fiber is your secret weapon for weight loss for a few key reasons. First, it's incredibly filling. High-fiber foods take up more space in your stomach and take longer to digest, keeping you feeling satisfied for hours. Second, by stabilizing your blood sugar, it helps crush those intense cravings that can derail your best intentions. When you're not constantly fighting hunger and cravings, weight loss becomes so much easier.
Does this mean I have to eat bran cereal and dry toast all day?
Not at all! In fact, it's the opposite. A truly high-fiber diet is one of the most delicious and abundant ways to eat. We're talking about adding more food to your life, not less. Think of creamy avocado toast on hearty whole-grain bread, big, beautiful salads with crunchy nuts and seeds, vibrant bowls of berries and Greek yogurt, and rich, satisfying lentil soups. This is about color, flavor, and texture—not bland, boring diet food.
What should I do after the 7 days are over to keep the benefits?
Think of this week as retraining your taste buds and giving your gut a wonderful reset. The goal is to make this a lifestyle, not a temporary diet. The easiest way to continue is to focus on one meal at a time. Start by committing to a high-fiber breakfast every day (like a smoothie or oatmeal). Once that's a habit, focus on adding a big, colorful salad to your lunch. By making small, sustainable changes, you'll effortlessly incorporate these benefits into your life for good.