
The ketogenic diet is a low-carbohydrate diet that has been used to treat a variety of conditions, including ulcerative colitis, acid reflux, inflammation, and hormonal imbalances. While there is no one-size-fits-all diet for people with ulcers, certain dietary and lifestyle changes can help support natural healing and promote a healthier digestive environment. Intermittent fasting, an eating schedule that alternates between strict eating and fasting windows, helps reduce stomach acid secretion and gives the mucosal lining time to recover. A healthy keto diet, paired with intermittent fasting, can help create an internal environment that supports a balanced microbiome, reduced inflammation, and optimal digestive function.
| Characteristics | Values |
|---|---|
| Water Intake | Drink plenty of water throughout the day |
| Coffee | Avoid coffee on an empty stomach |
| Acidic Foods | Avoid acidic foods such as tomato sauce, lemons, oranges, and grapefruits |
| Cabbage | Eat cabbage, which contains sulfur-rich compounds that support stomach lining repair |
| Cucumber | Consume cucumber juice, which helps reduce peptic ulcer formation |
| Herbal Teas | Incorporate soothing herbal teas, such as chamomile and licorice root |
| Nutrient-Rich Foods | Include nutrient-rich foods like cabbage, kefir, and bone broth |
| Intermittent Fasting | Practice intermittent fasting along with a keto diet to support digestive health and reduce inflammation |
| Healthy Keto | Follow a healthy keto diet that emphasizes low-carb whole foods, high-quality protein, and nutritious vegetables |
| Vitamin A | Consume foods rich in vitamin A, such as sweet potatoes, carrots, spinach, and tomatoes |
| Probiotics | Include probiotics in your diet, such as yogurt and other fermented foods, to counteract H. pylori bacteria |
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What You'll Learn
- Intermittent fasting and keto can help reduce inflammation and promote digestive function
- Focus on anti-inflammatory foods and healing nutrients
- Avoid acidic foods like citrus fruits and tomatoes
- Try cabbage juice, chlorophyll, and licorice root tea to support the stomach lining
- Drink plenty of water and avoid coffee on an empty stomach

Intermittent fasting and keto can help reduce inflammation and promote digestive function
Several studies have found that intermittent fasting can reduce inflammation in the body. For example, in a study on mice, beta-hydroxybutyrate, a ketone metabolite, blocked the inflammasome when given to NLRP3-inflamed mice, and the mice did not develop several age-related chronic diseases. Another study found that a 24-hour fast boosted regeneration in intestinal stem cells in aging mice. Intermittent fasting has also been linked to a reduced risk of diabetes, heart disease, and inflammatory bowel disease.
The keto diet is a low-carb, high-fat diet that has been linked to potential health benefits such as weight loss and improved blood sugar control. When combined with intermittent fasting, the body may reach ketosis faster than with the keto diet alone. This is because, during fasting, the body's fuel source shifts from carbs to fats, which is the basis of the keto diet.
Combining intermittent fasting with keto may also result in greater fat loss than keto alone. Intermittent fasting boosts metabolism by promoting thermogenesis, or heat production, which may lead to increased fat burning. Additionally, intermittent fasting may preserve muscle mass during weight loss, which can be beneficial for keto dieters.
It is important to note that combining these practices may not work for everyone, and some people should avoid this combination. Pregnant or breastfeeding women and those with a history of disordered eating should not attempt intermittent fasting. Individuals with certain health conditions, such as diabetes or heart disease, should consult a doctor before trying this combination.
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Focus on anti-inflammatory foods and healing nutrients
While there is no specific diet for people with stomach ulcers, certain foods may help fight the cause of your ulcer and relieve pain. Ulcers are almost always caused by bacteria called Helicobacter pylori (H. pylori) or the use of pain medications (nonsteroidal anti-inflammatory drugs). If your ulcer is caused by an H. pylori infection, focus on consuming anti-inflammatory foods and healing nutrients that are rich in antioxidants.
Anti-inflammatory foods
Foods that are rich in antioxidants may be beneficial in protecting and activating your immune system and fighting the H. pylori infection. Blueberries, cherries, and bell peppers are packed with antioxidants. Leafy greens such as kale and spinach contain calcium and B vitamins. Broccoli contains sulforaphane, a compound that exhibits anti-H. pylori activity. Other cruciferous vegetables, berries, oatmeal, high-fibre cereals, and whole-grain breads can also help coat the lining of the stomach and reduce damage from gastric acid.
Healing nutrients
Sweet potatoes are one of the richest sources of vitamin A, and studies have found that diets high in vitamin A were associated with a lower risk of ulcers. Other good sources of vitamin A include carrots, squash, kale, spinach, broccoli, tomatoes, red bell peppers, cantaloupe, and mango. Vitamin C, found in citrus fruits, strawberries, kiwis, and broccoli, can also help protect you from ulcers and plays an important role in wound healing.
In addition to these foods, consider incorporating garlic, decaffeinated green tea, and licorice into your diet. If you are treating your ulcer with antibiotics, be sure to also take a probiotic supplement to reduce antibiotic-associated symptoms and improve the effectiveness of the medication.
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Avoid acidic foods like citrus fruits and tomatoes
While there is no specific diet for people with stomach ulcers, certain foods may help fight the cause of your ulcer, and some foods may irritate it. Food cannot cause an ulcer, but if you already have one, what you eat and drink could either make it more painful or help you heal faster.
If you are on the keto diet and have an ulcer, it is important to avoid acidic foods like citrus fruits and tomatoes. Citrus fruits such as lemons, oranges, and grapefruits are highly acidic and can cause pain if you have an ulcer. Tomatoes are also acidic and can cause a burning sensation if you have an ulcer. It is important to listen to your body and avoid foods that irritate your ulcer.
In addition to avoiding acidic foods, it is recommended to cut out refined carbs, sugars, alcohol, and grains. These foods can ease stress on the stomach lining and promote recovery. It is also beneficial to incorporate soothing herbal teas, such as chamomile and licorice root, along with nutrient-rich foods like cabbage, kefir, and bone broth. These foods may help promote digestive comfort and support the stomach's natural defense mechanisms.
Intermittent fasting, an eating schedule that alternates between strict eating and fasting windows, can also help reduce the constant secretion of stomach acid and give the mucosal lining time to recover. Pairing intermittent fasting with a nutrient-dense keto diet allows the digestive tract time to rest and repair.
It is important to note that everyone's experience with ulcers is unique, and you may find that certain acidic foods do not aggravate your symptoms. However, if you find that acidic foods make your ulcer worse, it is best to skip them.
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Try cabbage juice, chlorophyll, and licorice root tea to support the stomach lining
While on the keto diet, it is important to be mindful of what you eat, especially if you have an ulcer. Here are some natural remedies that may help support and heal your stomach lining:
Cabbage Juice
Cabbage juice has been studied as a potential treatment for stomach ulcers. Older research suggests that it may help prevent and heal stomach ulcers, but there is a lack of recent scientific research to support these claims. However, animal studies have shown promising results. For example, a 2011 animal study found that cabbage extract inhibited the formation of stomach ulcers in rats. Another animal study in 2014 found that cabbage extract increased the pH of gastric juice, making it less acidic. While these studies show potential benefits, more research is needed to establish the effectiveness and dosing for humans.
Chlorophyll
Chlorophyll, the pigment that gives plants their green colour, has been studied for its potential in treating chronic ulcers. A review of 50 cases reported that an ointment containing water-soluble derivatives of chlorophyll provided subjective and objective relief from ulcer symptoms. The treatment improved the appearance of affected tissues and eliminated pain. Additionally, chlorophyll derivatives have been found to help manage the discharge and odour associated with ulcers.
Licorice Root Tea
Licorice root has been used for thousands of years as an herbal remedy for various ailments, including digestive issues. It has antioxidant, anti-inflammatory, and antimicrobial properties. While more comprehensive human studies are needed, licorice root tea is believed to help relieve acid reflux, eczema, and peptic ulcers. A 2023 animal study found that licorice flavonoids may help relieve peptic ulcers by increasing mucus production, reducing inflammation, and improving the gut microbiome. However, it is important to note that excessive consumption of licorice root tea may cause side effects, including hypertension and low potassium levels.
These natural remedies may provide support for your stomach lining while on the keto diet and help heal ulcers. However, it is always advisable to consult with a healthcare professional before incorporating any new substances into your diet, especially if you have existing medical conditions.
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Drink plenty of water and avoid coffee on an empty stomach
Drinking water regularly throughout the day is a great preventative measure when dealing with an ulcer. Water is the best drink for an ulcer, and staying well-hydrated promotes healing and helps ease stomach pain. Other drinks that may aid in the healing process include kefir, kombucha, and chamomile tea.
If you're on the keto diet and dealing with an ulcer, it's important to note that coffee may affect you. While coffee doesn't cause ulcers, it can increase stomach acid production. If you already have an ulcer, higher amounts of stomach acid can aggravate your symptoms. Having coffee on an empty stomach can lead to unwanted side effects, as the body absorbs coffee faster when there's nothing else in your stomach. This rapid absorption can intensify caffeine's effects, making you feel anxious, jittery, or irritable. It can also raise your blood pressure and cause heart palpitations.
If you're prone to reflux or heartburn but don't want to give up your morning coffee, consider adding a low-fat or nonfat dairy creamer or milk alternative to your brew. The fat in milk can aggravate reflux symptoms, but low-fat dairy can act as a buffer between stomach acid and your stomach lining, helping to prevent heartburn.
Shade-grown coffee is naturally lower in acid, so it may be a better option for those with ulcers. Additionally, taking an antacid with your coffee can help neutralize the acidity.
In summary, while not everyone has a problem with drinking coffee on an empty stomach, it's generally advisable to avoid it if you have an ulcer. Drinking plenty of water and being mindful of your coffee consumption can help promote healing and prevent unwanted side effects.
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Frequently asked questions
The keto diet is a low-carbohydrate method of eating. It emphasizes low-carb whole foods, high-quality protein, and plenty of nutritious vegetables.
The keto diet can help with ulcers by removing the foods that contribute to irritation. Cutting out refined carbs, sugars, alcohol, and grains can ease stress on the stomach lining and promote recovery.
Focus on anti-inflammatory, nutrient-rich foods that support the stomach lining. Good options include cabbage juice, chlorophyll, licorice root, bone broth, kefir, and sweet potatoes.
Yes, in addition to dietary changes, intermittent fasting can help give the stomach a rest and support the healing process. Reducing stress and practicing mindful eating habits can also play a key role in maintaining a healthy digestive tract.











































